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
Corresponding AuthorFeng, B (reprint author), Chinese Acad Sci, Kunming Inst Bot, Key Lab Biodivers & Biogeog, Kunming, Yunnan, Peoples R China,fungiamanita@gmail.com
2012-05-18
Source PublicationPLOS ONE
ISSN1932-6203
Volume7Issue:5Pages:e37567
AbstractThe 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.
KeywordBoletus-edulis Historical Biogeography Maximum-likelihood Ectomycorrhizal Fungi Evolutionary History Amanita-muscaria Section Boletus Mixed Models Diversification Alignment
Subject AreaLife Sciences & Biomedicine - Other Topics
DOI10.1371/journal.pone.0037567
Indexed BySCI
Language英语
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000305343500137
Citation statistics
Cited Times:55[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/17634
Collection中国科学院东亚植物多样性与生物地理学重点实验室
Affiliation1.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
Recommended Citation
GB/T 7714
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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