Table of Contents
Overview
Definition of Genetic Engineering
Genetic engineering, also known as recombinant DNA technology, involves laboratory techniques to manipulate and modify the genetic material of organisms. This process allows for the creation of hybrid DNA by cutting and joining DNA from different species, resulting in new combinations of heritable genetic material.[2.1] The primary steps include altering an organism's DNA to modify, add, or remove specific genes, thereby achieving desired traits or functions.[5.1] The field has advanced with techniques like CRISPR-Cas9, which have streamlined the gene editing process, enhancing efficiency over earlier methods such as Zinc Finger Nucleases (ZFNs) and Transcription Activator-Like Effector Nucleases (TALENs).[34.1] Genetic engineering can involve modifications like changing a single base pair, deleting DNA regions, or adding new DNA segments, potentially from different species.[4.1] This field primarily utilizes recombinant DNA technology, originating from foundational research in _microbial genetics.[4.1] It has enabled the production of medically significant products, such as human insulin, human growth hormone, and the hepatitis B vaccine. Additionally, it has led to the creation of genetically modified organisms (GMOs), including disease-resistant plants.[4.1] Unlike traditional breeding, which relies on natural crossing, genetic engineering allows for direct DNA modification or introduction, resulting in specific genetic traits or functions.[5.1]Importance and Applications
Genetic engineering plays a crucial role in various fields, including agriculture, medicine, and environmental science, due to its ability to modify organisms at the genetic level. In agriculture, genetically engineered (GE) crops, such as corn, cotton, and potatoes, have been developed to enhance yield, nutritional content, and sustainability while reducing the need for inputs like water and pesticides. This can lead to a decrease in the environmental impact of farming practices.[6.1] However, the introduction of GE crops also raises concerns regarding biodiversity, as these crops can disrupt natural plant communities and food chains, potentially threatening biodiversity and altering ecosystems.[7.1] Recent advancements in genetic engineering, particularly through CRISPR/Cas9 technology, have significantly transformed the landscape of medical research and therapy for genetic disorders. Notably, three clinical trials have been initiated to treat patients with β-thalassemia and severe sickle cell disease using CRISPR/Cas9 edited CD34+ human hematopoietic stem cells (CTX001) by CRISPR Therapeutics in 2018 and Allife Medical Science and Technology Co., Ltd in 2019.[10.1] Furthermore, the US Food and Drug Administration (FDA) has approved the first CRISPR-Cas9-based gene editing therapy, Exa-cel (exagamglogene autotemcel, brand name Casgevy), specifically for human sickle cell disease, marking a significant milestone in the application of gene therapy.[11.1] In addition to CRISPR/Cas9, innovations such as base editing and prime editing have emerged, allowing for precise DNA sequence alterations without the need for double-stranded breaks, thereby enhancing the accuracy of genetic modifications.[12.1] The applications of CRISPR technology have significantly transformed various fields, particularly in medical research and agriculture. In cardiovascular research, CRISPR-based genome editing has facilitated the generation of genetically modified in vitro and animal models for studying cardiovascular diseases, leading to major advancements in understanding and treating these conditions.[13.1] Furthermore, CRISPR-Cas9 technology has enhanced cancer therapies, especially in CAR-T cell therapy, where T-cells are genetically modified to express chimeric antigen receptors (CARs) that specifically target tumor-associated antigens, thereby improving the elimination of cancer cells.[20.1] In agriculture, CRISPR technology is being employed to develop genetically modified plants through various innovative techniques, which enhance traits such as grain weight and disease resistance.[21.1] These diverse applications underscore the profound impact of CRISPR technology in addressing critical challenges in health and food security, as it expands the scope of genetic engineering in both research and practical applications.[18.1]History
Milestones in Genetic Engineering Techniques
The history of genetic engineering is marked by several significant milestones that have shaped the field and its applications. One of the earliest breakthroughs occurred in 1973 when Herbert Boyer and Stanley Cohen successfully accomplished transgenesis, the process of transferring genes from one organism to another. This achievement laid the groundwork for the manipulation of genetic material using biotechnology.[48.1] Following this, in 1976, the commercialization of genetic engineering began with the development of genetically modified bacteria capable of producing somatostatin, and subsequently, insulin was produced in 1978.[48.1] The introduction of recombinant DNA technology in the 1970s was another pivotal moment, as it revolutionized the approach to gene manipulation and opened new avenues for modifying living organisms.[47.1] The first genetically modified food, the Flavr Savr tomato, was marketed in 1994, marking a significant application of genetic engineering in agriculture.[48.1] The completion of the Human Genome Project (HGP) in 2001 opened the floodgates to a deeper understanding of medicine, significantly influencing the field of genetic engineering.[50.1] This monumental project has inspired numerous large-scale data acquisition initiatives, including the International HapMap Project, 1000 Genomes, and The Cancer Genome Atlas, as well as the recently announced Human Brain Project.[52.1] These efforts reflect the ongoing impact of the HGP on our understanding of human genetic variation and its implications for health and disease.[52.1] In recent years, the advent of CRISPR-Cas9 technology has transformed the landscape of genetic engineering, allowing for precise and efficient gene editing.[47.1] This technique has been hailed for its potential to revolutionize various fields, including medicine and agriculture, by enabling targeted modifications to the genome with unprecedented ease.[47.1]Recent Advancements
CRISPR and Genome Editing Technologies
The advent of CRISPR technology has marked a significant turning point in the field of genetic engineering, providing unprecedented opportunities for precise genome editing. CRISPR, which stands for Clustered Regularly Interspaced Short Palindromic Repeats, allows scientists to modify DNA sequences with remarkable efficiency and programmability, making it a transformative force in life sciences and human medicine.[92.1] This technology has enabled the development of various applications, particularly in the treatment of genetic diseases and the enhancement of agricultural practices. One of the most notable applications of CRISPR technology is in the field of cancer therapy, specifically through the engineering of T-cells to express Chimeric Antigen Receptors (CARs). This approach, known as CAR-T cell therapy, targets tumor-associated antigens with high specificity, thereby improving the elimination of cancer cells.[93.1] Additionally, CRISPR has been utilized to introduce oncolytic viruses with therapeutic genes, enhancing their selectivity for cancer tissues and suppressing the antiviral defenses of malignant cells.[93.1] These advancements illustrate the potential of CRISPR to revolutionize cancer treatment by enabling precise genetic modifications that enhance T-cell functionality and persistence. Beyond oncology, CRISPR technology is also making strides in agriculture. It has opened new avenues for developing crops that are more resilient to environmental stresses, such as drought and pests, thereby addressing food security challenges in the face of climate change.[94.1] The ability to make specific genetic alterations in crops can lead to the creation of varieties that can thrive in harsh conditions, which is crucial for sustaining agricultural productivity. Moreover, CRISPR's applications extend to the correction of genetic abnormalities, with researchers exploring its use in editing human embryos and potentially enhancing genetic traits.[90.1] This capability raises ethical considerations, particularly regarding the implications of gene editing in humans, but it also highlights the technology's transformative potential in addressing genetic disorders.Ethical Considerations in Modern Genetic Engineering
Ethical considerations in modern genetic engineering, particularly with genome editing technologies like CRISPR, have gained prominence as the field advances. A key ethical issue is the editing of human embryos, where germline modifications can be inherited by future generations, raising concerns about safety thresholds, embryo destruction for research, and informed consent from egg donors and research participants.[104.1] The debate over germline editing has intensified with CRISPR's precision and accessibility, leading to bans or discouragement in about 40 countries as of 2014, due to ethical and safety concerns. There is a consensus that germline editing should not be used for clinical reproductive purposes until deemed safe.[106.1] Additionally, there are concerns about unequal access to these technologies, potentially worsening existing healthcare disparities.[108.1] Beyond human germline editing, CRISPR's ethical implications extend to agriculture and environmental applications, raising questions about the appropriate use of editing technologies and the moral responsibilities of altering living organisms' genetic makeup.[108.1] The principle of genomic solidarity calls for restraint in human germ cell experimentation due to trans-generational risks and gaps in understanding germ cell biology.[107.1] A robust regulatory framework is essential to navigate these ethical landscapes. In the U.S., this involves a complex web of laws and guidelines overseen by agencies like the FDA and USDA, which regulate genetically engineered animals, foods, and plants.[116.1] Institutional Review Boards (IRBs) uphold ethical standards in research institutions, while government bodies establish broader frameworks to ensure genetic engineering practices meet societal, ethical, and safety standards.[117.1] Recent experiments, such as those involving the H5N1 influenza virus and gene drives, underscore the need for scientists to integrate social responsibility into their research practices.[119.1] These developments highlight the importance of bioethical principles and global governance approaches to ensure the responsible use of genetic engineering.[118.1]Techniques In Genetic Engineering
Recombinant DNA Technology
Recombinant DNA technology is a pivotal technique in genetic engineering that involves the manipulation of DNA to create new genetic combinations. This technology has significantly advanced agricultural practices, particularly through the development of genetically modified (GM) crops. For instance, the introduction of Bacillus thuringiensis (Bt) genes into cotton plants has resulted in crops that produce their own insecticide, leading to increased yields due to reduced pest damage.[149.1] The impact of GM crops on global food production is substantial. Between 1996 and 2013, the global food crop yield increased by over 370 million tonnes, largely attributed to the adoption of GM crops such as canola in Australia and cotton in India.[150.1] In India, a study of 533 cotton-farming households revealed that yields grew by 24% per acre from 2002 to 2008, primarily due to decreased losses from pest attacks, showcasing the effectiveness of GM technology in enhancing agricultural productivity.[152.1] Moreover, research conducted by Italian scientists has demonstrated that the cultivation of genetically modified maize over the past two decades has significantly boosted the agricultural yield of this essential staple food, countering the myth that GM crops do not enhance yields.[151.1] The overarching benefits of genetic modification in agriculture extend beyond mere yield improvements; they include enhanced disease resistance and stress tolerance, which are crucial for adapting to climate change and ensuring food security.[153.1] Thus, recombinant DNA technology plays a vital role in modern agriculture, driving advancements that promote both productivity and sustainability.Gene Editing Methods (ZFNs, TALENs, Base Editing)
Gene editing methods have evolved significantly, with several techniques being developed to manipulate genetic material with precision. Among these methods, Zinc Finger Nucleases (ZFNs), Transcription Activator-Like Effector Nucleases (TALENs), and Base Editing are prominent. Gene editing is a vital component of genetic engineering, which encompasses various techniques that allow for precise modifications to an organism's DNA. Among the prominent techniques utilized in this field are Zinc Finger Nucleases (ZFNs), which are engineered DNA-binding proteins specifically designed for targeted gene modification. ZFNs consist of a zinc finger DNA-binding domain fused to a nuclease domain, enabling specific DNA cleavage at desired genomic locations. This method introduces double-strand breaks that can be repaired by the cell's natural repair mechanisms, leading to gene disruption or the insertion of new genetic material. In addition to ZFNs, other significant techniques in genetic engineering include Agarose Gel Electrophoresis, Isolation and Purification of Nucleic Acids, Isolation of Chromosomes, Nucleic Acid Blotting Techniques, DNA Sequencing, Alternative Methods of DNA Sequencing, and Chemical Synthesis of DNA.[126.1] Each of these methods plays a crucial role in advancing our understanding and manipulation of genetic material. Genetic engineering, also known as recombinant DNA technology, encompasses a variety of techniques used to manipulate genetic material, particularly DNA from different biological species. This process involves cutting and joining DNA segments to create new combinations of heritable genetic material, which can then be introduced into an organism. Among the methods employed in genetic modification, Transposons are notable for their ability to facilitate the incorporation of desired traits into an organism's genome by leveraging bacteria's capacity to penetrate cell walls and the nuclear membrane.[127.1] These genetic modifications, whether achieved through transfection or the action of transposons, may confer competitive advantages to modified organisms over their natural counterparts within specific environmental niches.[127.1] Genetic engineering involves the manipulation of an organism's DNA to alter its characteristics or functions. This technology holds significant potential for advancements in various fields, including medicine, agriculture, and environmental sustainability. Among the techniques utilized in genetic engineering are gene editing methods such as Zinc Finger Nucleases (ZFNs), Transcription Activator-Like Effector Nucleases (TALENs), and Base Editing. These methods enable precise modifications to the genetic material, which can lead to improved traits or the correction of genetic disorders. This article aims to study in detail the techniques, applications, and implications of genetic engineering.[128.1] These gene editing methods—ZFNs, TALENs, and Base Editing—demonstrate the rapid advancements in genetic engineering techniques, each offering unique advantages for precise genetic modifications in various fields, including medicine and agriculture.Applications Of Genetic Engineering
Agricultural Innovations
Genetic engineering has emerged as a pivotal tool in addressing the challenges posed by climate change and enhancing agricultural productivity. The development of heat-tolerant crops through genetic engineering is crucial for ensuring food security and sustainable agriculture in the face of extreme weather conditions associated with climate change.[173.1] This innovative approach not only aims to improve crop resilience but also contributes significantly to climate change adaptation and mitigation efforts.[174.1] The introduction of genetic modification in agriculture has been recognized as a promising strategy to enhance the resilience of crops, particularly in light of the increasing global population and the adverse impacts of climate change on agricultural productivity.[175.1] Advanced genetic engineering techniques, such as CRISPR/Cas endonucleases, offer high accuracy and specificity, enabling the creation of climate-smart crops that can withstand environmental stresses.[176.1] Moreover, genetic engineering plays a vital role in improving the efficiency and sustainability of biofuel production. By enhancing cellulose content through genetic modifications, biofuel production can be made more efficient, thereby contributing to sustainable energy solutions.[181.1] Techniques such as CRISPR/Cas9 have been successfully applied to various microorganisms, leading to significant improvements in biofuel yield and adaptability.[184.1] Additionally, identifying plant species with superior biomass production and sugar content allows for tailored genetic modifications that optimize biofuel conversion processes.[185.1] The implications of genetic engineering extend beyond crop resilience and biofuel production; they also encompass biodiversity considerations. While genetically engineered (GE) crops can lead to increased agricultural efficiency and reduced environmental impact, they may also have direct and indirect effects on biodiversity. The introduction of GE crops can alter ecosystems and food chains, potentially leading to biodiversity loss.[6.1] However, when designed to require fewer agricultural inputs, GE crops can positively impact sustainability by improving crop yields and nutritional content.[6.1]Medical and Therapeutic Uses
Genetic engineering has significant applications in the medical field, particularly in gene therapy, which holds great promise for treating genetic disorders. This innovative approach involves the introduction of functional genes into a patient's cells to correct or replace defective genes, potentially providing cures for previously untreatable conditions.[170.1] The techniques of genetic engineering, particularly recombinant DNA technology, have led to the production of essential medical products, including human insulin, human growth hormone, and vaccines such as the hepatitis B vaccine.[172.1] Genetic engineering is a powerful tool with vast potential and far-reaching implications across various fields, including medicine, agriculture, environmental conservation, and biofuel production.[171.1] In the realm of medicine, significant advancements are anticipated in the cell and gene therapy space over the next decade, particularly in terms of cost, efficiency, technology, and the development of new vectors.[186.1] These advancements are expected to enhance the overall landscape of gene therapy, although specific predictions regarding accessibility for patients remain uncertain. As genetic engineering continues to evolve, it is crucial to consider the ethical implications associated with its applications, especially in healthcare.[171.1] The application of genetic engineering in medicine has sparked significant ethical concerns, particularly regarding the manipulation of human genes and its potential hazards for future generations. The ongoing controversy highlights the risks and unintended consequences associated with genetic modifications, raising questions about equality and the implications of such interventions.[178.1] Ethical discussions predominantly focus on germline editing, as changes made in this area would be inherited by future generations, leading to debates about the morality and safety of these practices. Many countries have discouraged or banned research on germline editing due to these ethical and safety concerns, emphasizing the need for rigorous research to establish safety before clinical reproductive applications can be justified.[179.1] Furthermore, the international community is urged to engage in ongoing discussions to address the ethical, legal, and scientific questions surrounding germline editing, as many of these issues remain unresolved.[180.1]In this section:
Ethical And Social Implications
Public Perception and Acceptance
Public perception of genetic engineering has evolved significantly over the years, influenced heavily by media representation and public discourse. Research indicates that the portrayal of genetic engineering in news media and television can predict public support for gene editing technologies, suggesting that media frames and images play a crucial role in shaping opinions on these technologies.[221.1] Furthermore, the source of information regarding genetic engineering—whether it comes from companies, universities, or other entities—along with the terminology used to describe the technology, significantly affects its acceptance among the public.[223.1] The media's role in shaping public perception is underscored by the observation that awareness campaigns can mitigate negative perceptions of genetically engineered organisms, particularly in the context of food products.[222.1] This highlights the importance of effective communication strategies in addressing public concerns and misconceptions about genetic engineering. Additionally, the evolution of public perceptions is marked by varying degrees of trust in the sources of information, which can influence the acceptability of genetic engineering applications across different domains, including agriculture and medicine.[223.1] The ongoing controversy surrounding human genetic engineering has raised significant concerns about the potential hazards and unintended consequences associated with manipulating our genes, particularly regarding its impact on future generations.[224.1] While genetic engineering holds immense potential for improving human health and addressing genetic disorders, it also raises critical ethical questions about equality and the risks involved in gene manipulation.[224.1] Furthermore, media representation plays a crucial role in shaping public opinion about gene editing technologies. Research indicates that news consumption and overall television viewing can predict support for these technologies, whereas science fiction viewing does not significantly influence opinions.[221.1] Thus, the framing of genetic engineering in media and public discourse is essential for understanding the evolving landscape of public perception and acceptance of this rapidly advancing field.[221.1]Regulatory Frameworks and Guidelines
The regulatory frameworks governing genetic engineering are essential for balancing the rapid advancements in biotechnology with ethical considerations and public safety. These frameworks are characterized by a complex interplay of national regulations and international guidelines, which aim to address the potential risks and benefits associated with genetic manipulation.[215.1] As biotechnological advancements continue to evolve, the legal frameworks must adapt to ensure that ethical dilemmas, such as genetic discrimination and the implications of "designer babies," are adequately addressed.[217.1] The case of He Jiankui, a scientist who claimed to have edited the genes of human embryos, exemplifies the ethical and legal challenges that arise in the field of genetic engineering.[218.1] This incident has prompted calls for stronger legal and ethical safeguards to prevent misuse and unintended consequences of genetic technologies. Furthermore, the establishment of robust legal frameworks is crucial for fostering scientific progress while respecting individual rights and societal well-being.[219.1] However, the regulatory landscape is fraught with challenges, including safety assessments, risk management, and public engagement.[232.1] The potential for misuse of genetic engineering technologies necessitates proactive regulatory measures to mitigate risks.[231.1] Additionally, public opinion plays a significant role in shaping regulations, as differing views on genetic engineering can influence policy decisions.[233.1] As genetic technologies advance, there is a growing concern that they may exacerbate existing social inequalities, particularly if access to these technologies is limited to those with financial means.[230.1] This raises ethical dilemmas regarding fairness and equality in healthcare access and outcomes. Addressing these disparities requires ongoing dialogue and the development of equitable access measures within the regulatory frameworks.[229.1]Future Directions
Emerging Technologies in Genetic Engineering
Emerging technologies in genetic engineering are significantly reshaping various fields, particularly in medicine and agriculture. One of the most notable advancements is the application of gene editing technologies, such as CRISPR-Cas9, which has demonstrated the ability to correct genetic mutations responsible for diseases like sickle cell anemia and cystic fibrosis.[246.1] This technology not only holds promise for curing inherited disorders before birth by correcting mutations in human embryos but is also being investigated in cancer research to enhance the immune system's capacity to combat tumors.[252.1] Furthermore, the integration of genetic engineering with bioinformatics and population genetics is paving the way for personalized medicine, which aims to improve patient outcomes through tailored treatments based on individual genetic profiles.[244.1] As these technologies continue to evolve, ethical considerations surrounding their applications, including potential uses in creating designer pathogens or bioweapons, are becoming increasingly critical.[246.1] The future of genetic engineering is unfolding rapidly, necessitating responsible oversight to ensure ethical practices in its application.[246.1] In agriculture, genetic engineering is being utilized to create genetically modified organisms (GMOs) that exhibit enhanced traits, such as increased resistance to pests and diseases, which can lead to improved crop yields.[247.1] The potential for genetic engineering to address food security challenges is particularly relevant in the context of climate change, where gene editing is being researched to develop crops and livestock that can better adapt to changing environmental conditions.[258.1] This innovative approach not only aims to improve agricultural productivity but also to ensure sustainability in food production systems. Moreover, the integration of genetic engineering into personalized medicine is expected to grow significantly. As our understanding of the human genome deepens, the ability to tailor medical treatments based on individual genetic profiles will enhance disease prevention, diagnosis, and treatment.[256.1] However, this evolution also raises ethical considerations, such as genetic discrimination and the need for informed consent, which must be addressed to ensure equitable access to these advancements.[257.1]Potential Impact on Society and Environment
The societal implications of genetic engineering are profound, influencing various aspects of social structures and relationships. One significant area of impact is family dynamics, where genetic technologies such as prenatal screening and gene therapy may transform family planning and genetic counseling practices. These advancements could lead to new norms regarding reproductive choices and the understanding of genetic health within families.[248.1] Cultural perspectives play a crucial role in shaping the societal and ethical impacts of genetic engineering. The field of genethics, which addresses the ethical considerations surrounding genetics, significantly influences cultural norms and values. This interplay between ethics and culture is essential for comprehending how genetic engineering is perceived and accepted within different societies.[249.1] Moreover, the ethical implications of genetic engineering necessitate a balanced approach that promotes innovation while ensuring responsible practices. Striking this balance is critical, as responsible genetic engineering has the potential to benefit humanity while safeguarding ethical principles and values. The complexities of these ethical implications encompass concerns about human rights, environmental impact, and social equity, highlighting the need for ongoing dialogue and reflection on these issues.[250.1] Public opinion and societal values are pivotal in shaping the regulatory frameworks for genetic engineering. Research indicates that the source of information regarding genetic technologies, the terminology used to describe these technologies, and the specific applications of genetic engineering significantly affect public acceptance. For instance, trust in the sources of information and the ethical approaches taken towards genetic engineering applications can influence how society perceives and accepts these technologies.[251.1] Thus, integrating ethical considerations into discussions about genetic engineering is essential for fostering a responsible and informed societal approach to its future developments.In this section:
References
[2] Genetic Engineering - an overview | ScienceDirect Topics — Genetic engineering, also called recombinant DNA technology, involves the group of techniques used to cut up and join together genetic material, especially DNA from different biological species, and to introduce the resulting hybrid DNA into an organism in order to form new combinations of heritable genetic material. Transposons provide another common method of genetic modification, taking advantage of bacteria's ability to penetrate cell walls and the cell's nuclear membrane, so that the gene with the desired trait will be incorporated into the organism's genome or chromosomes (see Figure 8.9). Genetic modification, whether by transfection or from transposons’ ability to carry genes to cells, may well end up giving the modified organisms competitive advantages over natural species within an environmental niche.
[4] Genetic engineering | Definition, Process, Uses, Examples, Techniques ... — The Editors of Encyclopaedia Britannica Last Updated: Dec 25, 2024 • Article History Table of Contents Table of Contents Ask the Chatbot a Question Key People: Ian Wilmut George Ledyard Stebbins, Jr. (Show more) Related Topics: recombinant DNA genetically modified organism gene editing three-parent baby whole genome sequencing (Show more) See all related content genetic engineering, the artificial manipulation, modification, and recombination of DNA or other nucleic acid molecules in order to modify an organism or population of organisms. The term genetic engineering is generally used to refer to methods of recombinant DNA technology, which emerged from basic research in microbial genetics. The techniques employed in genetic engineering have led to the production of medically important products, including human insulin, human growth hormone, and hepatitis B vaccine, as well as to the development of genetically modified organisms such as disease-resistant plants. In the latter part of the 20th century, however, the term came to refer more specifically to methods of recombinant DNA technology (or gene cloning), in which DNA molecules from two or more sources are combined either within cells or in vitro and are then inserted into host organisms in which they are able to propagate.
[5] Genetic Engineering - Definition, Tools, Steps, Advantages ... — Genetic Engineering - Definition, Tools, Steps, Advantages, Applications, Examples - Biology Notes Online Genetic Engineering – Definition, Tools, Steps, Advantages, Applications, Examples Genetic engineering is the deliberate manipulation of an organism’s DNA using advanced techniques to modify, add, or remove specific genes, resulting in desired genetic traits or functions. Genetic engineering involves the manipulation and transfer of genes from one organism to another. Which enzyme is used to cut specific sequences of DNA in genetic engineering? Which technique is used to produce multiple copies of a specific DNA segment in genetic engineering? While traditional breeding involves crossing two organisms to produce offspring with desired traits, genetic engineering directly modifies or introduces new DNA into an organism.
[6] How does genetic engineering impact biodiversity? — Direct effects on biodiversity can occur when GE crops are grown, consumed, or used in agriculture. Indirect effects on biodiversity can occur even when GE crops are not grown or consumed. Ecosystem disruption: The altered behavior or physiology of GE crops can have a cascading effect on entire ecosystems, potentially leading to the loss of biodiversity. Food chain alterations: The introduction of GE crops can change the composition of food chains, potentially leading to the loss of biodiversity in subsequent trophic levels. Sustainability: GE crops can be engineered to require fewer inputs, such as water and pesticides, reducing the environmental impact of agriculture. Genetic engineering has the potential to positively impact biodiversity by improving crop yields, nutritional content, and sustainability.
[7] Impacts Of Genetic Engineering On Biodiversity - Sciencing — Impacts Of Genetic Engineering On Biodiversity | Sciencing Impacts Of Genetic Engineering On Biodiversity Impacts Of Genetic Engineering On Biodiversity Genetically engineered crops include varieties of corn, cotton and potatoes. When genes from genetically modified crops enter the environment, they have the potential to disrupt natural plant communities, threaten biodiversity and enter human food supplies. The toxins produced by genetically engineered crops threaten biodiversity, and according to the Sierra Club, genetic engineering should be considered environmentally dangerous. Research Journal of Recent Sciences: Ecological Impact of Genetically Modified Crops "Impacts Of Genetic Engineering On Biodiversity" sciencing.com, https://www.sciencing.com/impacts-genetic-engineering-biodiversity-23008/. Impacts Of Genetic Engineering On Biodiversity. Retrieved from https://www.sciencing.com/impacts-genetic-engineering-biodiversity-23008/ Impacts Of Genetic Engineering On Biodiversity last modified August 30, 2022. https://www.sciencing.com/impacts-genetic-engineering-biodiversity-23008/
[10] Advances in CRISPR/Cas-based Gene Therapy in Human Genetic Diseases — Advances in CRISPR/Cas-based Gene Therapy in Human Genetic Diseases - PMC Advances in CRISPR/Cas-based Gene Therapy in Human Genetic Diseases Keywords: CRISPR/Cas, Gene editing, Gene therapy, Human disease, Genetic disease To date, three clinical trials aiming to treat patients with β-thalassemia and severe sickle cell disease by transfusion of CRIPSR/Cas9 edited CD34+ human HSCs (CTX001) have been initiated by CRISPR Therapeutics in 2018 and Allife Medical Science and Technology Co., Ltd in 2019 (Table 3). Similarly, CRISPR/Cas- induced NHEJ has been used to treat DMD in a DMD dog model after AAV-mediated systemic delivery of CRISPR gene editing components.
[11] Recent advances in therapeutic gene editing technologies — The US Food and Drug 42 Administration (FDA) has approved the first CRISPR-Cas9-based gene editing therapy, 43 Exa-cel (exagamglogene autotemcel, brand name Casgevy), for human sickle cell 44 disease (SCD). This milestone marks the official entry of gene therapy into the CRISPR-45 Cas9 era.
[12] CRISPR/Cas9: an overview of recent developments and applications in ... — Advancements in CRISPR-Cas9 technology. In recent years, the area of genome engineering has seen tremendous improvements in gene-editing technology. Base editing and prime editing are two such innovations that enables exact DNA sequence alterations without the requirement for double-stranded breaks or reliance on cellular repair processes. Base
[13] Recent advances in CRISPR-based genome editing technology and its ... — Recent advances in CRISPR-based genome editing technology and its applications in cardiovascular research | Military Medical Research | Full Text Skip to main content Advertisement Search Explore journals Get published About BMC My account Search all BMC articles Search Military Medical Research Home About Articles Submission Guidelines Join the board Submit manuscript Recent advances in CRISPR-based genome editing technology and its applications in cardiovascular research Download PDF Download PDF Review Open access Published: 10 March 2023 Recent advances in CRISPR-based genome editing technology and its applications in cardiovascular research Zhen-Hua Li1 na1, Jun Wang1 na1, Jing-Ping Xu1,2, Jian Wang1 & … Xiao Yang1 Show authorsMilitary Medical Research volume 10, Article number: 12 (2023) Cite this article 31k Accesses 20 Altmetric Metrics details Abstract The rapid development of genome editing technology has brought major breakthroughs in the fields of life science and medicine. In recent years, the clustered regularly interspaced short palindromic repeats (CRISPR)-based genome editing toolbox has been greatly expanded, not only with emerging CRISPR-associated protein (Cas) nucleases, but also novel applications through combination with diverse effectors. CRISPR-based genome editing technology has also revolutionized cardiovascular research. We also highlight recent progress in cardiovascular research using CRISPR-based genome editing technologies, including the generation of genetically modified in vitro and animal models of cardiovascular diseases (CVD) as well as the applications in treating different types of CVD.
[18] Revolutionizing the Field of Genetic Engineering with CRISPR-Cas9 — CRISPR-Cas9 is no longer just a gene-editing tool; the application areas of catalytically impaired inactive Cas9, including gene regulation, epigenetic editing, chromatin engineering, and imaging
[20] Advances in CRISPR-Cas technology and its applications: revolutionising ... — | Blood | Hemophilia B | F9 | Corrected F9 gene in iPSCs using CRISPR-Cas9; restored F9 expression in hepatocyte-like cells | Morishige et al. One prominent application of CRISPR-Cas9 technology is its application in engineering T-cells express CARs. CAR-T cell therapy is a genetically modified T-cell that expresses CARs, targeting tumour-associated antigens (TAAs) or tumour-specific antigens (TSAs) with high specificity, thereby targeting and eliminating cancer cells (Jogalekar et al., 2022). CRISPR-Cas9 technology has enhanced CAR-T therapy by enabling precise genetic edits that improve T cell functionality, persistence, and specificity (Dimitri et al., 2022). CRISPR-Cas gene editing is utilised to introduce oncolytic viruses with therapeutic genes, enhancing their cancer tissue selectivity and suppressing antiviral protective mechanisms employed by malignant cells (Wang et al., 2022b).
[21] CRISPR-Cas applications in agriculture and plant research — Expanding the scope of CRISPR/Cas9-mediated genome editing in plants using an xCas9 and Cas9-NG hybrid. CRISPR/Cpf1-mediated DNA-free plant genome editing. Genome editing in plants using CRISPR type I-D nuclease. SWISS: multiplexed orthogonal genome editing in plants with a Cas9 nickase and engineered CRISPR RNA scaffolds. A CRISPR/Cas9 toolbox for multiplexed plant genome editing and transcriptional regulation. Efficient virus-mediated genome editing in plants using the CRISPR/Cas9 system. Highly efficient DNA-free plant genome editing using virally delivered CRISPR–Cas9. Rapid improvement of grain weight via highly efficient CRISPR/Cas9-mediated multiplex genome editing in rice. A.T., C.P., J.S.C and Y.Q. researched data for the article, contributed substantially to discussion of the content, wrote the article and reviewed and/or edited the manuscript before submission.
[34] How Does CRISPR Compare with Other Gene-Editing Methods? — The CRISPR system has proven so simple to implement and use, and so effective for gene editing that it has seen widespread adoption and a publication count that already dwarfs that of ZFNs and TALENs combined; References. 1. Doudna, J. A. & Charpentier, E. The new frontier of genome engineering with CRISPR-Cas9. Science 346, (2014) 2.
[47] History of Genetic Engineering: Invention and Timeline — The first genetically engineered organisms were the product of advancements in technology that allowed scientists to manipulate and transfer genes between different organisms. Genetic engineering, the manipulation of organisms’ genes by scientists using technology and techniques, has revolutionized various industries. The discovery of recombinant DNA technology by scientists in the 1970s revolutionized genetic engineering and opened up new possibilities for manipulating and modifying genes. In the field of genetic engineering, the discovery and development of techniques for manipulating genes revolutionized the way scientists approach the modification of living organisms. The discovery and development of CRISPR-Cas9 technology has revolutionized the field of genetic engineering, allowing scientists to manipulate the genes of organisms with unprecedented precision and ease.
[48] History of genetic engineering - Wikipedia — Jump to content Main menu Search Donate Create account Log in Personal tools Toggle the table of contents History of genetic engineering 9 languages Article Talk Read Edit View history Tools From Wikipedia, the free encyclopedia Part of a series on Genetic engineering Genetically modified organisms BacteriaViruses Animals MammalsFishInsects Plants Maize/cornRiceSoybeanPotato History and regulation History Regulation Substantial equivalenceCartagena Protocol on Biosafety Process TechniquesMolecular cloning Recombinant DNAGene delivery TransformationTransfectionTransductionGenome editing TALENCRISPR Applications Genetically modified crops foodGene therapyDesigner baby Controversies Genetically modified food controversiesGMO conspiracy theoriesPusztai affairSéralini affairStarLink corn recallHe Jiankui genome editing incident vte Genetic engineering is the science of manipulating genetic material of an organism. The first artificial genetic modification accomplished using biotechnology was transgenesis, the process of transferring genes from one organism to another, first accomplished by Herbert Boyer and Stanley Cohen in 1973. It was the result of a series of advancements in techniques that allowed the direct modification of the genome. In 1976, the technology was commercialised, with the advent of genetically modified bacteria that produced somatostatin, followed by insulin in 1978. The first genetically modified food was the Flavr Savr tomato marketed in 1994.
[50] Human genomics projects and precision medicine | Gene Therapy - Nature — The completion of the Human Genome Project (HGP) in 2001 opened the floodgates to a deeper understanding of medicine. There are dozens of HGP-like projects which involve from a few tens to several
[52] The Human Genome Project: big science transforms biology and medicine — Moreover, deeper knowledge of human sequence variation has begun to alter the practice of medicine. The Human Genome Project has inspired subsequent large-scale data acquisition initiatives such as the International HapMap Project, 1000 Genomes, and The Cancer Genome Atlas, as well as the recently announced Human Brain Project and the emerging
[90] The History of Genetic Engineering - Genetics Digest — Fixing genetic abnormalities in utero, engineering babies with artificially heightened intelligence, and making human clones are some of the mad-scientist concepts the come to mind. In 2016, a group of international scientists used CRISPR, a new technology that allows for more effective and efficient gene editing, to edit a human embryo. Scientists are working to make the process more efficient and reliable, but once the technology is established there is little difference between correcting genetic errors and enhancing genes. Working diligently to figure out which factors can unlock the reprogramming potential in non-reproductive cells, Zhang increased the success of cloning from about 1 percent to 10 percent. Today it seems a cloned dog and genetic modifications to prevent or mitigate disease are acceptable, while human cloning and true enhancement are not.
[92] Past, present, and future of CRISPR genome editing technologies — Genome editing has been a transformative force in the life sciences and human medicine, offering unprecedented opportunities to dissect complex biological processes and treat the underlying causes of many genetic diseases. CRISPR-based technologies, with their remarkable efficiency and easy programmability, stand at the forefront of this revolution. In this Review, we discuss the current state
[93] Advances in CRISPR-Cas technology and its applications: revolutionising ... — | Blood | Hemophilia B | F9 | Corrected F9 gene in iPSCs using CRISPR-Cas9; restored F9 expression in hepatocyte-like cells | Morishige et al. One prominent application of CRISPR-Cas9 technology is its application in engineering T-cells express CARs. CAR-T cell therapy is a genetically modified T-cell that expresses CARs, targeting tumour-associated antigens (TAAs) or tumour-specific antigens (TSAs) with high specificity, thereby targeting and eliminating cancer cells (Jogalekar et al., 2022). CRISPR-Cas9 technology has enhanced CAR-T therapy by enabling precise genetic edits that improve T cell functionality, persistence, and specificity (Dimitri et al., 2022). CRISPR-Cas gene editing is utilised to introduce oncolytic viruses with therapeutic genes, enhancing their cancer tissue selectivity and suppressing antiviral protective mechanisms employed by malignant cells (Wang et al., 2022b).
[94] 5 ways CRISPR gene editing is positively impacting the world | World ... — 5 ways CRISPR gene editing is positively impacting the world | World Economic Forum 5 ways CRISPR gene editing is shaping the future of food and health CRISPR is a gene editing technique that can help prevent diseases like HIV and cancer, make crops more hardy, and tackle the climate crisis. The CRISPR discovery has opened up a new world of gene manipulation, with applications ranging from disease elimination to developing drought- and insect-resistant crops capable of growing in harsh environments. While the debate around gene editing continues, here are five ways that CRISPR is already having an impact – from the state of our health to the food we eat.
[104] What are the Ethical Concerns of Genome Editing? — Most of the ethical discussions related to genome editing center around human germline because editing changes made in the germline would be passed down to future generations. Overview The debate about genome editing is not a new one but has regained attention following the discovery that CRISPR has the potential to make such editing more accurate and even "easy" in comparison to older technologies. As of 2014, there were about 40 countries that discouraged or banned research on germline editing, including 15 nations in Western Europe, because of ethical and safety concerns.3 There is also an international effort led by the US, UK, and China to harmonize regulation of the application of genome editing technologies. Researchers and ethicists who have written and spoken about genome editing, such as those present at the International Summit on Human Gene Editing, generally agree that until germline genome editing is deemed safe through research, it should not be used for clinical reproductive purposes; the risk cannot be justified by the potential benefit. Researchers and bioethicists also worry about the possibility of obtaining truly informed consent from prospective parents as long as the risks of germline therapy are unknown.10 Justice and Equity As with many new technologies, there is concern that genome editing will only be accessible to the wealthy and will increase existing disparities in access to health care and other interventions.
[106] What are the Ethical Concerns of Genome Editing? — Most of the ethical discussions related to genome editing center around human germline because editing changes made in the germline would be passed down to future generations. Overview The debate about genome editing is not a new one but has regained attention following the discovery that CRISPR has the potential to make such editing more accurate and even "easy" in comparison to older technologies. As of 2014, there were about 40 countries that discouraged or banned research on germline editing, including 15 nations in Western Europe, because of ethical and safety concerns.3 There is also an international effort led by the US, UK, and China to harmonize regulation of the application of genome editing technologies. Researchers and ethicists who have written and spoken about genome editing, such as those present at the International Summit on Human Gene Editing, generally agree that until germline genome editing is deemed safe through research, it should not be used for clinical reproductive purposes; the risk cannot be justified by the potential benefit. Researchers and bioethicists also worry about the possibility of obtaining truly informed consent from prospective parents as long as the risks of germline therapy are unknown.10 Justice and Equity As with many new technologies, there is concern that genome editing will only be accessible to the wealthy and will increase existing disparities in access to health care and other interventions.
[107] Ethical issues of CRISPR technology and gene editing through the lens ... — The principle of genomic solidarity and priority on public good should be a lens for bringing clarity to CRISPR debates. The valid claim of genetic exceptionalism supports restraint on experimentation in human germ cells, given the trans-generational dangers and the knowledge gap in germ cell biology. ... Ethical issues of CRISPR technology and
[108] CRISPR & Ethics - Innovative Genomics Institute (IGI) — In this chapter, we survey some of the ethical issues that span uses of genome editing, and then dive into some of the key questions and concerns that are specific to the the use of CRISPR in human health, agriculture, and the environment. In addition to the ethical issues mentioned above, the potential to edit the human genome raises questions around appropriate use of editing (somatic versus germline editing, treatment versus prevention versus enhancement), reproductive autonomy and the autonomy of the child/fetus, unequal access, and societal effects. With transgenic technologies and CRISPR genome editing, instead of relying on random DNA changes, research can make specific changes to individual plants and generate new plants with specific traits.
[116] Regulatory Frameworks for Genetic Engineering - toxigon.com — In the United States, the regulatory framework for genetic engineering is a complex web of laws and guidelines overseen by multiple agencies. The FDA (Food and Drug Administration), ... The FDA, for instance, is responsible for regulating genetically engineered animals and foods derived from them. The USDA oversees genetically engineered plants
[117] Navigating Ethical and Regulatory Frameworks in Genetic Engineering — By analyzing the roles and interactions of academic researchers, private entities, and regulatory agencies such as the FDA, NIH, and USDA, the research seeks to demonstrate how ethical decision-making is incorporated into the regulatory environment, shedding light on the balance between the potential benefits of genetic engineering and the ethical and safety concerns. While Institutional Review Boards (IRBs) play a critical role in upholding ethical standards within academic and research institutions, government bodies have established broader frameworks to ensure genetic engineering practices meet societal, ethical, and safety standards. Subsequent guidelines from regulatory bodies like the NIH and FDA have built upon this foundation, focusing on ensuring the safety, efficacy, and ethical conduct of genetic engineering research.
[118] Genetic Engineering and Its Ethical Implications: A ... - ResearchGate — Additionally, the study highlights bioethical principles, regulatory frameworks, and global governance approaches aimed at ensuring the responsible use of genetic engineering. The findings
[119] Engineering Values into Genetic Engineering: A Proposed Analytic ... — Recent experiments in genetic engineering such as those on the H5N1 influenza virus and those using gene drives highlight the need to clarify how scientists should integrate social responsibility into their work. ... A Heuristic Framework for the Responsible Conduct of Research. Sci Eng Ethics. 2002;8(2):191-205. doi: 10.1007/s11948-002-0018
[126] Top 7 Techniques Used in Genetic Engineering - Biology Discussion — This article throws light upon the top seven techniques used in genetic engineering. The seven techniques are: (1) Agarose Gel Electrophoresis (2) Isolation and Purification of Nucleic Acids (3) Isolation of Chromosomes (4) Nucleic Acid Blotting Techniques (5) DNA Sequencing (6) Alternative Methods of DNA Sequencing and (7) Chemical Synthesis of DNA.
[127] Genetic Engineering - an overview | ScienceDirect Topics — Genetic engineering, also called recombinant DNA technology, involves the group of techniques used to cut up and join together genetic material, especially DNA from different biological species, and to introduce the resulting hybrid DNA into an organism in order to form new combinations of heritable genetic material. Transposons provide another common method of genetic modification, taking advantage of bacteria's ability to penetrate cell walls and the cell's nuclear membrane, so that the gene with the desired trait will be incorporated into the organism's genome or chromosomes (see Figure 8.9). Genetic modification, whether by transfection or from transposons’ ability to carry genes to cells, may well end up giving the modified organisms competitive advantages over natural species within an environmental niche.
[128] Genetic Engineering: Techniques, Applications & Implications — Genetic Engineering involves the manipulation of an organism's DNA to alter its characteristics or functions. This technology holds significant potential for advancements in medicine, agriculture, and environmental sustainability. This article aims to study in detail the techniques, applications, and implications of genetic engineering.
[149] The Advantages of Genetically Modified Crops in Agriculture — Case Studies of Yield Improvement. Numerous case studies highlight the successful application of GM technology to improve crop yields. Bt Cotton: Genetically modified to express Bacillus thuringiensis (Bt), a bacterium that produces a natural insecticide. This crop has shown increased yields due to lower pest damage.
[150] Full article: The impact of Genetically Modified (GM) crops in modern ... — The global food crop yield (1996-2013) has increased by > 370 million tonnes over a relatively small acreage area. ... To further emphasise the impact of GM crops on economies: two case studies - GM Canola (Australia) and GM cotton (India) - have been highlighted in this review. ... Smyth S. Genetically modified crops, regulatory delays
[151] GMO crops have been increasing yield for 20 years, with more progress ... — Recently, Italian researchers published a review of studies concluding planting genetically modified (GM) maize (corn) over the past 20 years has increased the agricultural yield of this popular and important staple food. In this context, it is important to remember one of the most popular myths perpetuated about GM crops: that they aren't boosting yields. […]
[152] Case studies: A hard look at GM crops | Nature — In a study of 533 cotton-farming households in central and southern India, Qaim found that yields grew by 24% per acre between 2002 and 2008, owing to reduced losses from pest attacks 6. Farmers
[153] Genetics in Agriculture: Improving Crop Resilience — Genetics in Agriculture: Improving Crop Resilience Home Genetics in Agriculture: Improving Crop Resilience Genetics in Agriculture: Improving Crop Resilience By improving crop yield, disease resistance, and stress tolerance, genetics enhances food production. One of the key benefits of genetic modification in agriculture is the development of crops with improved resistance to pests and diseases. The benefits of genetic modification in agriculture extend beyond higher crop yields and enhanced resistance to pests and diseases. While genetic modification in agriculture offers the potential for improving crop resilience, it also presents significant risks and ethical challenges. Genetic modification drives modern agriculture, boosting crop yields, enhancing disease resistance, and promoting environmental sustainability. Genetics plays a vital role in agriculture, significantly enhancing crop resilience against climate change, pests, and diseases.
[170] Applications of Genetic Engineering: Exploring the Possibilities — The application of genetic engineering in gene therapy holds great promise for the future of medicine. This innovative approach involves the introduction of functional genes into a patient's cells to correct or replace defective genes, providing a potential cure for genetic disorders that were previously deemed untreatable.
[171] Unlocking The Ultimate Guide To Genetic Engineering — Unlocking The Ultimate Guide To Genetic Engineering With its vast potential, genetic engineering has far-reaching implications across various fields, from medicine and agriculture to environmental conservation and biofuel production. This comprehensive guide aims to demystify the world of genetic engineering, offering an in-depth exploration of its principles, applications, and ethical considerations. Applications of Genetic Engineering Here are some key areas where genetic engineering has made significant impacts: Genetic engineering has had a significant impact on agriculture, leading to increased crop yields, improved nutritional content, and enhanced resistance to pests and diseases. Genetic engineering is a powerful tool with the potential to revolutionize various fields, from medicine and agriculture to environmental conservation and industry. How does genetic engineering impact biodiversity?
[172] Genetic engineering | Definition, Process, Uses, Examples, Techniques ... — The Editors of Encyclopaedia Britannica Last Updated: Dec 25, 2024 • Article History Table of Contents Table of Contents Ask the Chatbot a Question Key People: Ian Wilmut George Ledyard Stebbins, Jr. (Show more) Related Topics: recombinant DNA genetically modified organism gene editing three-parent baby whole genome sequencing (Show more) See all related content genetic engineering, the artificial manipulation, modification, and recombination of DNA or other nucleic acid molecules in order to modify an organism or population of organisms. The term genetic engineering is generally used to refer to methods of recombinant DNA technology, which emerged from basic research in microbial genetics. The techniques employed in genetic engineering have led to the production of medically important products, including human insulin, human growth hormone, and hepatitis B vaccine, as well as to the development of genetically modified organisms such as disease-resistant plants. In the latter part of the 20th century, however, the term came to refer more specifically to methods of recombinant DNA technology (or gene cloning), in which DNA molecules from two or more sources are combined either within cells or in vitro and are then inserted into host organisms in which they are able to propagate.
[173] Genetic Engineering for Crop Improvement Against Stresses and Future ... — These studies underscore the importance of genetic engineering in developing heat-tolerant crops, which are crucial for ensuring food security and sustainable agriculture in the face of climate change.
[174] The Role of Green Biotechnology through Genetic Engineering for Climate ... — However, safe application of modern agricultural biotechnologies is significantly contributing to the current and future climate change adaptation and mitigation efforts, and greatly improve
[175] PDF — Introduction Genetic modification in agriculture has emerged as a promising approach to address the challenges posed by climate change and enhance the resilience of crops (Jacobsen et al. 2013). The increasing global population and the impacts of climate change on agricultural productivity necessitate innovative strategies to sustainably increase food production and mitigate environmental
[176] CRISPR/Cas9: a sustainable technology to enhance climate resilience in ... — CRISPR/Cas endonucleases and their derived genetic engineering tools possess high accuracy, versatile, more specific, and easy to design, leading to climate-smart or resilient crops to combat food
[178] The Dangers of Genetic Engineering in Humans — The ongoing controversy surrounding human genetic engineering has raised significant concerns about the potential hazards and unintended consequences associated with this manipulation of our genes. The manipulation of human genes through genetic engineering has the potential to create significant, unintended consequences for future generations. While the potential benefits of genetic engineering in humans are significant, it also raises concerns about equality, the consequences of manipulation, and the potential risks involved. Advancements in genetic engineering have raised ethical concerns about the potential consequences and risks of manipulating the human genome. While genetic engineering holds immense potential for improving human health and addressing genetic disorders, it also raises questions about equality, the manipulation of genes, and the controversy surrounding its risks and consequences.
[179] What are the Ethical Concerns of Genome Editing? — Most of the ethical discussions related to genome editing center around human germline because editing changes made in the germline would be passed down to future generations. Overview The debate about genome editing is not a new one but has regained attention following the discovery that CRISPR has the potential to make such editing more accurate and even "easy" in comparison to older technologies. As of 2014, there were about 40 countries that discouraged or banned research on germline editing, including 15 nations in Western Europe, because of ethical and safety concerns.3 There is also an international effort led by the US, UK, and China to harmonize regulation of the application of genome editing technologies. Researchers and ethicists who have written and spoken about genome editing, such as those present at the International Summit on Human Gene Editing, generally agree that until germline genome editing is deemed safe through research, it should not be used for clinical reproductive purposes; the risk cannot be justified by the potential benefit. Researchers and bioethicists also worry about the possibility of obtaining truly informed consent from prospective parents as long as the risks of germline therapy are unknown.10 Justice and Equity As with many new technologies, there is concern that genome editing will only be accessible to the wealthy and will increase existing disparities in access to health care and other interventions.
[180] Ethical considerations of gene editing and genetic selection — At the end of the summit, the organizing committee released a statement advising ongoing global engagement and discussion, and outlined their conclusions regarding gene editing: 97 “(i)ntensive basic and preclinical research is clearly needed and should proceed, subject to appropriate legal and ethical rules and oversight…”; “(m)any promising and valuable clinical applications of gene editing are directed at altering genetic sequences only in somatic cells… [and] they can be… evaluated within existing and evolving regulatory frameworks for gene therapy…”; and “(g)ene editing might also be used, in principle, to make genetic alterations in gametes or embryos…” The statement goes on to address the ethical, legal, and scientific questions surrounding germline editing that have yet to be answered, and warns: Tang L, Zeng Y, Du H, Gong M, Peng J, Zhang B, et al CRISPR/Cas9‐mediated gene editing in human zygotes using Cas9 protein.
[181] Genetic Engineering: An Optimism for Sustainable Biofuel Production — Therefore, genetic modifications leading to increased cellulose content are a primary way to increase efficiency of biofuel production. Cellulose synthase enzymes are involved in cellulose synthases, and the desired objective can be achieved by altering these enzymes. ... Fueling the future; plant genetic engineering for sustainable biodiesel
[184] Genetic Engineering of Microorganisms for Enhanced Biofuel Production — Genetic engineering of microorganisms, such as bacteria and yeast, has revolutionized biofuel production by enhancing their efficiency, yield, and adaptability. In this blog, we will explore the fascinating world of genetic engineering of microorganisms for enhanced biofuel production, its potential benefits, challenges, and the future outlook.
[185] biofuel production, feedstock optimization, conversion efficiency ... — By identifying plant species or agricultural residues with superior biomass production and sugar content, it is possible to increase the efficiency of biofuel conversion. Additionally, genetic engineering techniques can be employed to create genetically modified organisms (GMOs) with tailored characteristics for biofuel production, such as
[186] How will cell & gene therapy manufacturing look in 10 years? — Cost, efficiency, technology and new vectors are all likely advancements in the cell and gene therapy space over the next decade. Abigail Beaney August 8, 2024. Share Copy Link; Share on X; Share on Linkedin ... There are also several autonomous advances which have been taken on in other industries, but not in pharmaceutical manufacturing.
[215] The Ethical Implications of Genetic Engineering in Modern Law — The Ethical Implications of Genetic Engineering in Modern Law - Law Hub The Ethical Implications of Genetic Engineering in Modern Law Genetic engineering presents a unique landscape of potential risks and benefits that warrants careful consideration within the realms of ethics and law. The legal framework surrounding genetic engineering comprises a complex tapestry of national regulations and international guidelines, designed to address the scientific advancements and ethical dilemmas posed by genetic manipulation. Understanding these national regulations is vital, as they significantly influence research, development, and public acceptance of genetic engineering and ethics. International guidelines on genetic engineering play a pivotal role in harmonizing efforts across various nations to ensure that ethical considerations are met while fostering scientific advancement.
[217] Ethical Considerations in Gene Editing: Implications for Law — Shifts in ethical perspectives have evolved as the technology progressed, particularly concerning concerns over potential misuse, genetic discrimination, and the implications of "designer babies." These evolving viewpoints continue to shape the regulatory landscape and the moral debates surrounding gene editing practices in society. Collectively, these current laws governing gene editing underscore the ongoing debate around ethical considerations within biotechnology and genetics law, highlighting the balance between innovation and ethical responsibilities. These moral dimensions highlight the complexity of navigating gene editing within a legal framework, necessitating ongoing dialogue about its ethical implications in biotechnology and genetic law. Respecting consent and autonomy is integral to the discussion of gene editing ethical considerations, as it reinforces the autonomy of individuals while navigating the moral complexities entwined in biotechnology and genetic advancements.
[218] Legal Issues Surrounding Biotechnology and Genetic Engineering — The potential for genetic engineering to alter the human genome has led to calls for stronger legal and ethical safeguards. The case of He Jiankui, a Chinese scientist who claimed to have edited the genes of human embryos using CRISPR, is a stark example of the ethical and legal challenges posed by genetic engineering.
[219] Exploring the Legal Aspects of Genethics: Implications, Regulations ... — In summary, ethical and legal considerations play a pivotal role in the sharing and collaboration of genetic data. Striking a balance between scientific progress, individual rights, and societal well-being requires the establishment of a robust legal framework and adherence to ethical principles.
[221] CRISPR Images: Media Use and Public Opinion About Gene Editing — The results from both surveys indicate that news use and overall television viewing predict support for uses of gene editing, whereas science fiction viewing is not significantly related to opinion. The findings suggest that media frames and images may carry implications for the trajectory of public opinion about gene editing technologies and
[222] Genetic Engineering and Public Perception - ScienceDirect — Genetic Engineering and Public Perception - ScienceDirect Chapter 12 - Genetic Engineering and Public Perception Many of these problems can be curbed or even eliminated by simply spreading awareness which can change the public perception of genetically engineered organisms, particularly food plants. Genetically Modified Organisms in Food, 2016, pp. Cookies are used by this site. Cookie settings We use cookies that are necessary to make our site work. You can set your browser to block or alert you about these cookies, but some parts of the site will not then work. Functional Cookies Functional Cookies These cookies may be set through our site by our advertising partners. If you do not allow these cookies, you will experience less targeted advertising.
[223] Social acceptance of genetic engineering technology - PMC — Previous work has shown that the source of information proposing the technology (e.g. companies, universities), the term used to describe the technology (e.g. genome editing, genetic modification), and the genetic engineering application (e.g. different food products) affects technology acceptance. We conducted three mixed-method surveys and used a causal trust-acceptability model to understand social acceptance of genetic engineering (GE) by investigating 1) the source of information proposing the technology, 2) the term used to describe the technology, and 3) the GE application for farm animals proposed. We categorized participant responses about the acceptability of the technology application into three themes: 1) impacts on plants, animals, and people, 2) trust in sources of information (i.e. actors) and technology, and 3) ethical approaches.
[224] The Dangers of Genetic Engineering in Humans — The ongoing controversy surrounding human genetic engineering has raised significant concerns about the potential hazards and unintended consequences associated with this manipulation of our genes. The manipulation of human genes through genetic engineering has the potential to create significant, unintended consequences for future generations. While the potential benefits of genetic engineering in humans are significant, it also raises concerns about equality, the consequences of manipulation, and the potential risks involved. Advancements in genetic engineering have raised ethical concerns about the potential consequences and risks of manipulating the human genome. While genetic engineering holds immense potential for improving human health and addressing genetic disorders, it also raises questions about equality, the manipulation of genes, and the controversy surrounding its risks and consequences.
[229] Social Implications of Genetic Engineering - The Ratomir Repository — The potential for genetic engineering to exacerbate social inequality is a significant concern that has been raised by ethicists and social scientists. There are fears that genetic technologies and treatments may become accessible only to those with financial means, widening existing disparities in healthcare access and outcomes.
[230] Genethics Issues List: Explore the Challenges and Ethical Dilemmas in ... — Genetic technologies have the potential to exacerbate existing social disparities, creating an ethical dilemma in ensuring fair and equal access to benefits. This ethical dilemma challenges the notion of a level playing field and raises concerns about the implications of genetic engineering for society as a whole. The patent debate surrounding genetic intellectual property raises significant concerns about ownership, access to healthcare, and the ethical implications of commercializing genetic information. The ethical considerations surrounding these issues are of great concern, as they have the potential to affect various aspects of our society and raise important questions about the boundaries of genetics and ethics. It also raises concerns about the potential for discrimination based on genetic characteristics, leading to ethical dilemmas surrounding equality and fairness.
[231] Regulatory Frameworks for Genetic Engineering - toxigon.com — Regulatory Frameworks for Genetic Engineering Regulatory Frameworks for Genetic Engineering: Navigating the Complexities Regulatory Frameworks for Genetic Engineering: Navigating the Complexities Key Challenges in Regulating Genetic Engineering Today, we're diving deep into the world of regulatory frameworks for genetic engineering, exploring their importance, challenges, and future directions. In Africa, the regulatory frameworks for genetic engineering are still developing. Key Challenges in Regulating Genetic Engineering The potential for misuse of genetic engineering technologies is a real concern, and regulatory frameworks need to address these risks proactively. One of the most notable case studies in genetic engineering regulation is the use of CRISPR gene editing on crops. @article{regulatory-frameworks-for-genetic-engineering, title = {Regulatory Frameworks for Genetic Engineering}, url = {https://toxigon.com/regulatory-frameworks-for-genetic-engineering}
[232] PDF — However, the widespread adoption of genetic engineering is subject to complex regulatory frameworks that vary between countries and regions. Navigating the legal landscape of genetic engineering presents numerous challenges, including safety assessments, risk management, ethical considerations, and public engagement.
[233] The Concerns and Challenges of Genetic Engineering — | Potential risks and challenges | Safety concerns and unintended effects | Manipulation of genetic material | Questions and debates surrounding moral implications | Altering natural genetic makeup | Challenges in regulating genetic engineering | Possible unforeseen problems | One of the main issues is public opinion and regulation surrounding GMOs. The public often has different views on genetic engineering, with some embracing it as a solution to various problems and others expressing ethical concerns about its potential consequences. Public opinion, regulation, ethical concerns, safety, and unintended consequences must all be carefully considered to ensure responsible and beneficial use of genetic engineering technology.
[244] Genetics 2023 - The Latest Advances and Future Directions — From population genetics to genetic testing, from genetic engineering to bioinformatics, and from understanding inheritance to studying mutations – these advances have paved the way for personalized medicine and transformed the field to improve patient outcomes. By understanding the role of mutations, inheritance, genomics, population genetics, genotype-phenotype associations, and utilizing genetic testing and bioinformatics, researchers can revolutionize medical treatments and improve patient outcomes. In the rapidly evolving field of genetics, the ability to test and analyze an individual’s genome has opened up new frontiers in understanding evolution, inheritance, and the potential for genetic engineering. By harnessing the power of population studies, genetic testing, genetic engineering, evolutionary insights, bioinformatics, and understanding the inheritance patterns and genotypes associated with cancer, researchers are making significant strides towards improving our understanding of cancer biology and developing innovative approaches for diagnosis and treatment.
[246] The Future of Genetic Engineering in 2025: What's Next? — We're talking about stuff like correcting genetic mutations that cause diseases like sickle cell anemia and cystic fibrosis. It's crazy stuff, but it's happening right now. And there's this company called Impossible Foods that's using genetic engineering to create plant-based meats that taste just like the real thing. We're talking about stuff like bioterrorism, where people use genetic engineering to create biological weapons. What if people start using genetic engineering to create designer pathogens, stuff that we've never seen before and don't know how to fight? Who's making sure that all this genetic engineering stuff is being done ethically and responsibly? Because the future of genetic engineering is happening right now, whether we like it or not.
[247] Future of Genetics: Predictions and Trends — Use of genetic engineering in creating genetically modified organisms (GMOs) Genetic engineering enables scientists to modify the DNA of organisms. This process enhances desirable traits and improves crop yields. Key applications of GMOs include: Increased Resistance: GMOs can resist pests, diseases, and environmental stresses. This resilience
[248] PDF — International Journal of Advanced Multidisciplinary Application (IJAMA) Volume 1 Issue 1 Sep 2024 ISSN No: XXXX-XXXX www.ijama.in P a g e | 12 Understanding the Societal Implications of Genetic Engineering: Perspectives from Genetics, Ethics, and Sociology. Sociological Impacts International Journal of Advanced Multidisciplinary Application (IJAMA) Volume 1 Issue 1 Sep 2024 ISSN No: XXXX-XXXX www.ijama.in P a g e | 15 4.1 Social Structures and Genetic Engineering The societal impacts of genetic engineering can reshape social structures and relationships: • Family Dynamics: Genetic technologies such as prenatal screening and gene therapy may alter family planning and genetic counseling practices.
[249] Exploring the Impact of Genethics on Culture: Unveiling the Ethical ... — Understanding the cultural perspectives surrounding genetic engineering is crucial in comprehending the societal and ethical impacts it brings. The concept of genethics, which delves into the ethical considerations related to genetics, plays a significant role in influencing cultural norms and values.
[250] PDF — The Ethical Implications of Genetic Engineering: Balancing Innovation and Responsibility. J Biochem Biotech 2024; 7(5):222 The Ethical Implications of Genetic Engineering: Balancing Innovation and Responsibility. This article explores the ethical implications of genetic engineering, highlighting the need for a balanced approach that promotes innovation while ensuring responsible practices . Striking a balance between innovation and ethical responsibility is critical in the field of genetic engineering. The Ethical Implications of Genetic Engineering: Balancing Innovation and Responsibility. Ultimately, responsible genetic engineering holds the potential to benefit humanity while safeguarding ethical principles and values . Conclusion The ethical implications of genetic engineering are complex and multifaceted, encompassing concerns about human rights, environmental impact, and social equity. Improving nature?: the science and ethics of genetic engineering.
[251] Social acceptance of genetic engineering technology - PMC — Previous work has shown that the source of information proposing the technology (e.g. companies, universities), the term used to describe the technology (e.g. genome editing, genetic modification), and the genetic engineering application (e.g. different food products) affects technology acceptance. We conducted three mixed-method surveys and used a causal trust-acceptability model to understand social acceptance of genetic engineering (GE) by investigating 1) the source of information proposing the technology, 2) the term used to describe the technology, and 3) the GE application for farm animals proposed. We categorized participant responses about the acceptability of the technology application into three themes: 1) impacts on plants, animals, and people, 2) trust in sources of information (i.e. actors) and technology, and 3) ethical approaches.
[252] PDF — For example, scientists have used CRISPR-Cas9 to correct mutations in human embryos, which opens up the possibility of curing inherited disorders before birth.In cancer research, CRISPR is being explored to enhance the immune system's ability to fight tumors.
[256] The rise of the genome and personalised medicine - PMC — As set out in the Annual report of the Chief Medical Officer 2016: Generation Genome_1 and the recent NHS England board paper _Creating a genomic medicine service to lay the foundations to deliver personalised interventions and treatments,2 the increasing ‘mainstreaming’ of genetic testing into routine practice and plans to embed whole genome sequencing in the NHS mean that the profile and importance of genomics is on the rise for many clinicians. Every human genome contains around 3–5 million genetic variants compared with the reference sequence. Genomic medicine has the capacity to revolutionise the healthcare of an individual with a rare disease or cancer by offering prompt and accurate diagnosis, risk stratification based upon genotype and the capacity for personalised treatments.
[257] (PDF) The Role of Genetics in Personalized Medicine: Advancements ... — (PDF) The Role of Genetics in Personalized Medicine: Advancements, Challenges, and Ethical Considerations The Role of Genetics in Personalized Medicine: Advancements, Challenges, and Ethical Considerations This article explores the advancements, challenges, and ethical considerations associated with the integration of genetics into personalized medicine. Ethical considerations, including genetic discrimination, privacy and confidentiality, informed consent, and equitable distribution of resources, are crucial in the implementation of personalized medicine. Collaboration among researchers, healthcare providers, policymakers, and ethicists is necessary to ensure the responsible and ethical use of genetic information, safeguard patient privacy, and promote equitable access to personalized medicine resources. By navigating these advancements, overcoming challenges, and addressing ethical considerations, personalized medicine can revolutionize healthcare, providing tailored and effective treatments for individuals based on their unique genetic characteristics.
[258] Application of Gene Editing for Climate Change in Agriculture — Frontiers | Application of Gene Editing for Climate Change in Agriculture Application of Gene Editing for Climate Change in Agriculture Here, we present examples of emerging gene editing applications and research initiatives that are aimed at the improvement of crops and livestock in response to climate change, and discuss technical limitations and opportunities therein. In response to these challenges, the use of gene editing, also referred to as genome editing or genome engineering, has emerged as a method to either aid in the adaptation of organisms to climate change or help mitigate the effects of climate change on agriculture. Keywords: gene edited crops, livestock genetics, climate change, agriculture, food system, food security, livestock genetic resources, crop biotechnology Citation: Karavolias NG, Horner W, Abugu MN and Evanega SN (2021) Application of Gene Editing for Climate Change in Agriculture.