Phylogenetic Relationships of the Genus Taxus Inferred from Chloroplast Intergenic Spacer and Nuclear Coding DNA
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- Hao Da Cheng
- Laboratory of Pharmaceutical Resource Discovery, Biotechnology Division, Dalian Institute of Chemical Physics, Chinese Academy of Sciences The Graduate University, Chinese Academy of Sciences
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- Huang BeiLi
- LuShan Botanical Garden, Chinese Academy of Sciences
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- Yang Ling
- Laboratory of Pharmaceutical Resource Discovery, Biotechnology Division, Dalian Institute of Chemical Physics, Chinese Academy of Sciences
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A cladistic analysis of the medicinal plant Taxus, using the sequences of one chloroplast (trnS–trnQ spacer) and three nuclear taxadiene synthase (TS), 10-deacetylbaccatin III-10β-O-acetyltransferase (DBAT), and 18S rDNA) molecular markers, was carried out by distance, parsimony, likelihood, and Bayesian methods. Three of the four New World species (T. brevifolia, T. floridana and T. globosa) form a well-supported clade, whereas T. canadensis initially branches—appearing distantly related to both Old World taxa and New World species. In Asia, Taxus chinensis, T. mairei, T. sumatrana and T. wallichiana cluster together and are sister to a clade containing T. baccata and T. contorta. Taxus yunnanensis is more closely related to T. wallichiana than to four other Taxus species in our study from China; T. contorta is closer to the Euro-Mediterranean T. baccata than to the Asian species. This study provides a genetic method for authentication of economically important Taxus species and proposes a robust phylogenetic hypothesis for the genus. Using trnS–trnQ spacer sequences, we were able to distinguish T. mairei from all other species of Taxus.
収録刊行物
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- Biological & Pharmaceutical Bulletin
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Biological & Pharmaceutical Bulletin 31 (2), 260-265, 2008
公益社団法人 日本薬学会
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詳細情報 詳細情報について
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- CRID
- 1390001204625757312
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- NII論文ID
- 110006570566
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- NII書誌ID
- AA10885497
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- ISSN
- 13475215
- 09186158
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- NDL書誌ID
- 9351434
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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