globalchange  > 气候变化与战略
DOI: 10.1073/pnas.1922539117
论文题名:
Fruiting body form; not nutritional mode; is the major driver of diversification in mushroom-forming fungi
作者: Sánchez-García M.; Ryberg M.; Khan F.K.; Varga T.; Nagy L.G.; Hibbett D.S.
刊名: Proceedings of the National Academy of Sciences of the United States of America
ISSN: 0027-8424
出版年: 2020
卷: 117, 期:51
起始页码: 32528
结束页码: 32534
语种: 英语
英文关键词: Agaricomycetes ; Diversification ; Ectomycorrhizal fungi ; Gasteroid forms ; Megaphylogeny
Scopus关键词: article ; body build ; cladistics ; controlled study ; coral ; ectomycorrhiza ; fruiting body ; infectious agent ; morphological trait ; mushroom ; nonhuman ; parasitism ; phylogeny ; saprotroph
英文摘要: With ∼36,000 described species, Agaricomycetes are among the most successful groups of Fungi. Agaricomycetes display great diversity in fruiting body forms and nutritional modes. Most have pileate-stipitate fruiting bodies (with a cap and stalk), but the group also contains crust-like resupinate fungi, polypores, coral fungi, and gasteroid forms (e.g., puffballs and stinkhorns). Some Agaricomycetes enter into ectomycorrhizal symbioses with plants, while others are decayers (saprotrophs) or pathogens. We constructed a megaphylogeny of 8,400 species and used it to test the following five hypotheses regarding the evolution of morphological and ecological traits in Agaricomycetes and their impact on diversification: 1) resupinate forms are plesiomorphic, 2) pileate-stipitate forms promote diversification, 3) the evolution of gasteroid forms is irreversible, 4) the ectomycorrhizal (ECM) symbiosis promotes diversification, and 5) the evolution of ECM symbiosis is irreversible. The ancestor of Agaricomycetes was a saprotroph with a resupinate fruiting body. There have been 462 transitions in the examined morphologies, including 123 origins of gasteroid forms. Reversals of gasteroid forms are highly unlikely but cannot be rejected. Pileate-stipitate forms are correlated with elevated diversification rates, suggesting that this morphological trait is a key to the success of Agaricomycetes. ECM symbioses have evolved 36 times in Agaricomycetes, with several transformations to parasitism. Across the entire 8,400-species phylogeny, diversification rates of ectomycorrhizal lineages are no greater than those of saprotrophic lineages. However, some ECM lineages have elevated diversification rates compared to their non-ECMsister clades, suggesting that the evolution of symbioses may act as a key innovation at local phylogenetic scales. © 2020 National Academy of Sciences. All rights reserved.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/163897
Appears in Collections:气候变化与战略

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作者单位: Sánchez-García, M., Biology Department, Clark University, Worcester, MA 01610, United States, Uppsala Biocentre, Department of Forest Mycology and Plant Pathology, Swedish University of Agricultural Sciences, Uppsala, SE-75005, Sweden; Ryberg, M., Department of Organismal Biology, Evolutionary Biology Centre, Uppsala University, Uppsala, 752 36, Sweden; Khan, F.K., Department of Organismal Biology, Evolutionary Biology Centre, Uppsala University, Uppsala, 752 36, Sweden; Varga, T., Synthetic and Systems Biology Unit, Institute of Biochemistry, Biological Research Center, Szeged, 6726, Hungary; Nagy, L.G., Synthetic and Systems Biology Unit, Institute of Biochemistry, Biological Research Center, Szeged, 6726, Hungary; Hibbett, D.S., Biology Department, Clark University, Worcester, MA 01610, United States

Recommended Citation:
Sánchez-García M.,Ryberg M.,Khan F.K.,et al. Fruiting body form; not nutritional mode; is the major driver of diversification in mushroom-forming fungi[J]. Proceedings of the National Academy of Sciences of the United States of America,2020-01-01,117(51)
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