The botanical origin of kratom (Mitragyna speciosa; Rubiaceae) available as abused drugs in the Japanese markets

CLUSTAL W: improving the sensitivity of progressive multiple sequence alignment through sequence weighting, position-specific gap penalties and weight matrix choice

Julie Thompson, Desmond G. Higgins, Toby J. Gibson · Nucleic Acids Research · 1994 · 64.9K citations · Full text

Life Sciences, Bioinformatics, Sequence Analysis +14

Documentation of reticulate evolution in peonies (Paeonia) using internal transcribed spacer sequences of nuclear ribosomal DNA: implications for biogeography and concerted evolution.

Tao Sang, Daniel J. Crawford, Tod F. Stuessy · Proceedings of the National Academy of Sciences · 1995 · 628 citations

Life Sciences, Biology, Evolutionary Biology +17

Antinociceptive effect of 7-hydroxymitragynine in mice: Discovery of an orally active opioid analgesic from the Thai medicinal herb Mitragyna speciosa

Kenjiro Matsumoto, Syunji Horie, Hayato Ishikawa et al. · Life Sciences · 2004 · 232 citations

Medicine, Medicinal Chemistry, Pharmacology +15

Phylogeny and classification of Naucleeae s.l. (Rubiaceae) inferred from molecular (ITS, <i>r</i><i>B</i><i>C</i><i>L</i>, and <i>t</i><i>R</i><i>N</i><i>T</i>‐<i>F</i>) and morphological data

Sylvain G. Razafimandimbison, Birgitta Bremer · American Journal of Botany · 2002 · 102 citations · Full text

Life Sciences, Biology, Plant Sciences +15

Molecular Analysis of the Genus Mitragyna Existing in Thailand Based on rDNA ITS Sequences and Its Application to Identify a Narcotic Species: Mitragyna speciosa

Suchada Sukrong, Shu Zhu, Nijsiri Ruangrungsi et al. · Biological and Pharmaceutical Bulletin · 2007 · 53 citations · Full text

Life Sciences, Botany, Plant Sciences +12