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题名: Molecular phylogeny of eastern Asian species of Amanita (Agaricales, Basidiomycota): taxonomic and biogeographic implications
作者: Zhang, LF; Yang, JB; null(杨祝良)
刊名: FUNGAL DIVERSITY
关键词: Amanita ; biodiversity ; distribution ; ITS ; nLSU ; phylogeny
英文摘要: The phylogenetic relationships, taxonomy and biogeography of the genus Amanita with emphasis on eastern Asian species were estimated using sequence data from both internal transcribed spacer (ITS) regions and large subunit (nLSU) of nuclear ribosomal DNA. The separation of the two traditionally accepted subgenera was not well supported. Each section of Amanita, Vaginatae, Caesareae, Phalloideae, Validae and Amidella was supported as monophyletic by different methods of analysis and data sets of different regions. The monophyly of section Lepidella remained unclear. A few biogeographic and taxonomic implications were inferred: (1) few species of Amanita are widely distributed throughout eastern Asia, Europe and North America. Samples of some previously recognized disjunct species in the Northern Hemisphere were not monophyletic. Thus, the putative intercontinental disjunct distributions of these species were not supported in this study; (2) biogeographic relationships between Amanita of eastern Asia and Europe are relatively close and several taxa are common to both regions, while paired or closely related species between eastern Asia and North America are relatively common, but rarely have been confirmed as disjunct populations of the same species by molecular data yet. A number of species of Amanita in North America labelled with names based on European materials should be regarded as distinct species; (3) a few genetically cryptic species of Amanita in southwestern China need to be delimited; and (4) variations in colour and morphology of the fruit bodies in A. parvipantherina from different localities should be interpreted as modifications of environment.
出版日期: 2004-10-01
卷号: 17, 页码:219-238
语种: 英语
收录类别: SCI
学科分类: Mycology
ISSN号: 1560-2745
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/3166
Appears in Collections:中国科学院东亚植物多样性与生物地理学重点实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, Kunming Inst Bot, Yunnan 650204, Peoples R China
2.Chinese Acad Sci, Grad Sch, Yunnan 650204, Peoples R China

Recommended Citation:
Zhang, LF; Yang, JB; Yang, ZL.Molecular phylogeny of eastern Asian species of Amanita (Agaricales, Basidiomycota): taxonomic and biogeographic implications,FUNGAL DIVERSITY,2004,17():219-238
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