Multigene Molecular Phylogeny and Biogeographic Diversification of the Earth Tongue Fungi in the Genera Cudonia and Spathularia (Rhytismatales, Ascomycota)
Ge, Zai-Wei1,2,3,4; Yang, Zhu L.1; Pfister, Donald H.2,3; Carbone, Matteo; Bau, Tolgor5; Smith, Matthew E.4; Ge, ZW (reprint author), Chinese Acad Sci, Kunming Inst Bot, Key Lab Plant Divers & Biogeog East Asia, Kunming, Yunnan, Peoples R China.; zaiweige@gmail.com; fungi@mail.kib.ac.cn
2014-08-01
发表期刊PLOS ONE
ISSN1932-6203
卷号9期号:8页码:e103457
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摘要The family Cudoniaceae (Rhytismatales, Ascomycota) was erected to accommodate the "earth tongue fungi" in the genera Cudonia and Spathularia. There have been no recent taxonomic studies of these genera, and the evolutionary relationships within and among these fungi are largely unknown. Here we explore the molecular phylogenetic relationships within Cudonia and Spathularia using maximum likelihood and Bayesian inference analyses based on 111 collections from across the Northern Hemisphere. Phylogenies based on the combined data from ITS, nrLSU, rpb2 and tef-1 alpha sequences support the monophyly of three main clades, the /flavida, /velutipes, and /cudonia clades. The genus Cudonia and the family Cudoniaceae are supported as monophyletic groups, while the genus Spathularia is not monophyletic. Although Cudoniaceae is monophyletic, our analyses agree with previous studies that this family is nested within the Rhytismataceae. Our phylogenetic analyses circumscribes 32 species-level clades, including the putative recognition of 23 undescribed phylogenetic species. Our molecular phylogeny also revealed an unexpectedly high species diversity of Cudonia and Spathularia in eastern Asia, with 16 (out of 21) species-level clades of Cudonia and 8 (out of 11) species-level clades of Spathularia. We estimate that the divergence time of the Cudoniaceae was in the Paleogene approximately 28 Million years ago (Mya) and that the ancestral area for this group of fungi was in Eastern Asia based on the current data. We hypothesize that the large-scale geological and climatic events in Oligocene (e. g. the global cooling and the uplift of the Tibetan plateau) may have triggered evolutionary radiations in this group of fungi in East Asia. This work provides a foundation for future studies on the phylogeny, diversity, and evolution of Cudonia and Spathularia and highlights the need for more molecular studies on collections from Europe and North America.
关键词Eocene-oligocene Transition Ribosomal Dna-sequences True Morels Morchella Historical Biogeography Northern-hemisphere Species Recognition Divergence Times Rdna Phylogeny Evolution China
资助信息National Natural Science Foundation of China [31270074, U1302263]; Yunnan Provincial Government [U1302263]; Knowledge Innovation Program of the Chinese Academy of Sciences [KSCX2-EW-J-24]; Farlow Fellowships from the Friends of Farlow; CAS/SAFEA International Partnership Program for Creative Research Teams; U. S. National Science Foundation [DEB-0321846]; University of Florida's Institute for Food and Agricultural Sciences (IFAS)
学科领域Multidisciplinary Sciences
DOI10.1371/journal.pone.0103457
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:000339819800045
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被引频次:8[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/151853/18281
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
通讯作者Ge, ZW (reprint author), Chinese Acad Sci, Kunming Inst Bot, Key Lab Plant Divers & Biogeog East Asia, Kunming, Yunnan, Peoples R China.; zaiweige@gmail.com; fungi@mail.kib.ac.cn
作者单位1.Chinese Acad Sci, Kunming Inst Bot, Key Lab Plant Divers & Biogeog East Asia, Kunming, Yunnan, Peoples R China
2.Harvard Univ, Harvard Univ Herbaria, Cambridge, MA 02138 USA
3.Harvard Univ, Dept Organism & Evolutionary Biol, Cambridge, MA 02138 USA
4.Univ Florida, Dept Plant Pathol, Gainesville, FL 32611 USA
5.Jilin Agr Univ, Inst Mycol, Changchun, Jilin, Peoples R China
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Ge, Zai-Wei,Yang, Zhu L.,Pfister, Donald H.,et al. Multigene Molecular Phylogeny and Biogeographic Diversification of the Earth Tongue Fungi in the Genera Cudonia and Spathularia (Rhytismatales, Ascomycota)[J]. PLOS ONE,2014,9(8):e103457.
APA Ge, Zai-Wei.,Yang, Zhu L..,Pfister, Donald H..,Carbone, Matteo.,Bau, Tolgor.,...&fungi@mail.kib.ac.cn.(2014).Multigene Molecular Phylogeny and Biogeographic Diversification of the Earth Tongue Fungi in the Genera Cudonia and Spathularia (Rhytismatales, Ascomycota).PLOS ONE,9(8),e103457.
MLA Ge, Zai-Wei,et al."Multigene Molecular Phylogeny and Biogeographic Diversification of the Earth Tongue Fungi in the Genera Cudonia and Spathularia (Rhytismatales, Ascomycota)".PLOS ONE 9.8(2014):e103457.
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