DNA Sequence Analyses Reveal Abundant Diversity, Endemism and Evidence for Asian Origin of the Porcini Mushrooms
Feng, Bang1,5; Xu, Jianping2; Wu, Gang1,5; Zeng, Nian-Kai1,5; Li, Yan-Chun1; Tolgor, Bau3; Kost, Gerhard W.4; Yang, Zhu L.1
2012-05-18
发表期刊PLOS ONE
ISSN1932-6203
卷号7期号:5页码:e37567
摘要The wild gourmet mushroom Boletus edulis and its close allies are of significant ecological and economic importance. They are found throughout the Northern Hemisphere, but despite their ubiquity there are still many unresolved issues with regard to the taxonomy, systematics and biogeography of this group of mushrooms. Most phylogenetic studies of Boletus so far have characterized samples from North America and Europe and little information is available on samples from other areas, including the ecologically and geographically diverse regions of China. Here we analyzed DNA sequence variation in three gene markers from samples of these mushrooms from across China and compared our findings with those from other representative regions. Our results revealed fifteen novel phylogenetic species (about one-third of the known species) and a newly identified lineage represented by Boletus sp. HKAS71346 from tropical Asia. The phylogenetic analyses support eastern Asia as the center of diversity for the porcini sensu stricto clade. Within this clade, B. edulis is the only known holarctic species. The majority of the other phylogenetic species are geographically restricted in their distributions. Furthermore, molecular dating and geological evidence suggest that this group of mushrooms originated during the Eocene in eastern Asia, followed by dispersal to and subsequent speciation in other parts of Asia, Europe, and the Americas from the middle Miocene through the early Pliocene. In contrast to the ancient dispersal of porcini in the strict sense in the Northern Hemisphere, the occurrence of B. reticulatus and B. edulis sensu lato in the Southern Hemisphere was probably due to recent human-mediated introductions.
关键词Boletus-edulis Historical Biogeography Maximum-likelihood Ectomycorrhizal Fungi Evolutionary History Amanita-muscaria Section Boletus Mixed Models Diversification Alignment
资助信息This study was supported by the Joint Funds of the National Natural Science Foundation of China and Yunnan Provincial Government (No. U0836604), the National Basic Research Program of China (No. 2009CB522300), the Research Fund for the Large-scale Scientific Facilities of the Chinese Academy of Sciences (No. 2009-LSF-GBOWS-01), the CAS/SAFEA International Partnership Program for Creative Research Teams, and the Hundred Talents Program of the Chinese Academy of Sciences. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.
学科领域Life Sciences & Biomedicine - Other Topics
DOI10.1371/journal.pone.0037567
收录类别SCI
语种英语
WOS研究方向Science & Technology - Other Topics
WOS类目Multidisciplinary Sciences
WOS记录号WOS:000305343500137
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被引频次:48[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/17634
专题中国科学院东亚植物多样性与生物地理学重点实验室
作者单位1.Chinese Acad Sci, Kunming Inst Bot, Key Lab Biodivers & Biogeog, Kunming, Yunnan, Peoples R China
2.McMaster Univ, Dept Biol, Hamilton, ON, Canada
3.Jilin Agr Univ, Inst Mycol, Changchun, Jilin, Peoples R China
4.Univ Marburg, Marburg, Germany
5.Chinese Acad Sci, Grad Univ, Beijing, Peoples R China
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Feng, Bang,Xu, Jianping,Wu, Gang,et al. DNA Sequence Analyses Reveal Abundant Diversity, Endemism and Evidence for Asian Origin of the Porcini Mushrooms[J]. PLOS ONE,2012,7(5):e37567.
APA Feng, Bang.,Xu, Jianping.,Wu, Gang.,Zeng, Nian-Kai.,Li, Yan-Chun.,...&Yang, Zhu L..(2012).DNA Sequence Analyses Reveal Abundant Diversity, Endemism and Evidence for Asian Origin of the Porcini Mushrooms.PLOS ONE,7(5),e37567.
MLA Feng, Bang,et al."DNA Sequence Analyses Reveal Abundant Diversity, Endemism and Evidence for Asian Origin of the Porcini Mushrooms".PLOS ONE 7.5(2012):e37567.
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