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Squamanitaceae and three new species of Squamanita parasitic on Amanita basidiomes
Liu,Jian-Wei; Ge,Zai-Wei; Horak,Egon; Vizzini,Alfredo; Halling,Roy E.; Pan,Chun-Lei; Yang,Zhu L.
2021
Source PublicationIMA FUNGUS
ISSN2210-6340
Volume12Issue:1Pages:4
AbstractThe systematic position of the enigmatically mycoparasitic genus Squamanita (Agaricales, Basidiomycota) together with Cystoderma, Phaeolepiota, Floccularia, and Leucopholiota is largely unknown. Recently they were recognized as Squamanitaceae, but previous studies used few DNA markers from a restricted sample of taxa from the family and lacked a formal taxonomic treatment. In this study, with newly generated sequences of the type of the genus Squamanita, S. schreieri, and several additional species of the family, the phylogeny is reinvestigated with a concatenated (18S-5.8S-nrLSU-RPB2-TEF1-alpha) dataset. This study reveals that Cystoderma, Phaeolepiota, Squamanita, Floccularia, and Leucopholiota are a monophyletic clade with strong statistical support in Bayesian analysis and form Squamanitaceae. Phaeolepiota nested within Cystoderma; Squamanita, Leucopholiota, and Floccularia clustered together as two monophyletic subclades; and Squamanita was present as a monophyletic clade with strong statistical support in both Maximum Likelihood and Bayesian analyses. The family name Squamanitaceae is formally emended and a detailed taxonomic treatment is presented to accommodate the five genera. Meanwhile, another concatenated (18S-ITS-nrLSU-RPB2-TEF1-alpha) dataset is used to investigate phylogenetic relationships and species delimitation in Squamanita. Our data indicates that S. umbonata from the Northern hemisphere forms two species complexes, one complex includes six specimens from North America, Europe, and East Asia, the other includes two specimens from Central America and North America respectively. Futhermore, species of Squamanita can parasitize species of Amanita, besides other fungal species. Squamanita mira parasitizes A. kitamagotake (A. sect. Caesareae), while S. orientalis and S. sororcula are parasites of species belonging to the A. sepiacea complex (A. sect. Validae). Squamanita umbonata from Italy occurs on A. excelsa (A. sect. Validae). Three new species of Squamanita from East Asia, viz. S. mira, S. orientalis and S. sororcula are documented with morphological, multi-gene phylogenetic, and ecological data, along with line drawings and photographs, and compared with similar species. A key for identification of the global Squamanita species is provided.
KeywordAmanita Mycoparasitic fungi Squamanita Host preference Three new taxa CYSTODERMA AMIANTHINUM ODORATA AGARICALES PARADOXA NUCLEAR FUNGUS TOOL
DOI10.1186/s43008-021-00057-z
WOS IDWOS:000625132200001
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/73129
Collection中国科学院昆明植物研究所
Affiliation1.[Liu, Jian-Wei; Ge, Zai-Wei; Yang, Zhu L.] Chinese Acad Sci, Kunming Inst Bot, Yunnan Key Lab Fungal Divers & Green Dev, Kunming 650201, Yunnan, Peoples R China
2.Chinese Acad Sci, Kunming Inst Bot, Germplasm Bank Wild Species, 132 Lanhei Rd, Kunming 650201, Yunnan, Peoples R China
3.Ge, Zai-Wei; Yang, Zhu L.] Chinese Acad Sci, Kunming Inst Bot, CAS Key Lab Plant Divers & Biogeog East Asia, Kunming 650201, Yunnan, Peoples R China
4.Schlossfeld 17, A-6020 Innsbruck, Austria
5.Univ Torino, Dept Life Sci & Syst Biol, Viale PA Mattioli 25, I-10125 Turin, Italy
6.CNR, Inst Sustainable Plant Protect IPSP SS Turin, Viale PA Mattioli 25, I-10125 Turin, Italy
7.Halling, Roy E.] New York Bot Garden, Inst Systemat Bot, 2900 Southern Blvd, Bronx, NY 10458 USA
8.Heilongjiang Acad Agr Sci, Mudanjiang Branch, Mudanjiang 157041, Heilongjiang, Peoples R China
Recommended Citation
GB/T 7714
Liu,Jian-Wei,Ge,Zai-Wei,Horak,Egon,et al. Squamanitaceae and three new species of Squamanita parasitic on Amanita basidiomes[J]. IMA FUNGUS,2021,12(1):4.
APA Liu,Jian-Wei.,Ge,Zai-Wei.,Horak,Egon.,Vizzini,Alfredo.,Halling,Roy E..,...&Yang,Zhu L..(2021).Squamanitaceae and three new species of Squamanita parasitic on Amanita basidiomes.IMA FUNGUS,12(1),4.
MLA Liu,Jian-Wei,et al."Squamanitaceae and three new species of Squamanita parasitic on Amanita basidiomes".IMA FUNGUS 12.1(2021):4.
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