Yoshinari Ohnishi

Genomic analysis of <i>Bacteroides fragilis</i> reveals extensive DNA inversions regulating cell surface adaptation

Tomomi Kuwahara, Atsushi Yamashita, Hideki Hirakawa et al. · Proceedings of the National Academy of Sciences · 2004 · 270 citations · Full text

Gene Amplification, Dysbiosis, Genetics +16

Mutagenic assay of aromatic nitro compounds with Salmonella typhimurium

Hiroshi Tokiwa, Reiko Nakagawa, Yoshinari Ohnishi · Mutation Research Letters · 1981 · 163 citations

Reactive Nitrogen Specie, Toxicology, Microbiology +3

Reduced Diversity and Imbalance of Fecal Microbiota in Patients with Ulcerative Colitis

Hideyuki Nemoto, Keiko Kataoka, Hideki Ishikawa et al. · Digestive Diseases and Sciences · 2012 · 155 citations

Dysbiosis, Mucosal Immunology, Gut Microbiology +7

Detection of mutagenic activity in particulate air pollutants

Hiroshi Tokiwa, K Morita, Hiroaki Takeyoshi et al. · Mutation Research/Fundamental and Molecular Mechanisms of Mutagenesis · 1977 · 146 citations

Environmental Chemistry, Particulate Air Pollutants, Engineering +8

Mutagenicity of nitro derivatives induced by exposure of aromatic compounds to nitrogen dioxide

Hiroshi Tokiwa, Reiko Nakagawa, K Morita et al. · Mutation Research/Environmental Mutagenesis and Related Subjects · 1981 · 128 citations

Environmental Chemistry, Nitro Derivatives, Biochemistry +14