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Uncovering the hidden taxonomic diversity of fungi in Oman

Fungal Diversity 2021年第1期106卷 229-268页

作者： Sajeewa S.N.Maharachchikumbura Dhanushka N.Wanasinghe Ratchadawan Cheewangkoon Abdullah M.Al-Sadi School of Life Science and Technology University of Electronic Science and Technology of ChinaChengdu 611731People’s Republic of China CAS Key Laboratory for Plant Diversity and Biogeography of East Asia Kunming Institute of BotanyChinese Academy of ScienceKunming 650201YunnanPeople’s Republic of China Entomology and Plant Pathology Department Faculty of AgricultureChiang Mai UniversityChiang MaiThailand Department of Crop Sciences College of Agricultural and Marine SciencesSultan Qaboos UniversityAl-Khod 123Oman

Hot desert regions are undoubtedly challenging to fungal survival on the Arabian *** are,however,recognized as the most stress-resistant organisms among all eukaryotes,which could be a result of the rapid evolution of distinct *** current understanding of these microorganisms is derived from studies examining only a fraction of the overall fungal ***,further studies are needed to understand the diversity of fungi in desert *** paper highlights the taxonomy of several unusual fungal genera collected in a range of aquatic and terrestrial environments in *** taxa were identified based on phylogenetic analyses of nuclear ribosomal DNA(rDNA)(LSU,SSU and ITS)and protein-coding genes(TEF,RPB2 and TUB),plus morphological *** analyses,including the presently recognized genera in Patellariales resulted in splitting the order into four clades in *** new family Holmiellaceae and new order Holmiellales are introduced to include *** of Homortomycetaceae form a well-supported and distinct clade and raise it to Homortomycetales ordo ***(Halojulellaceae),Desertiserpentica(Lophiostomata-ceae)and Montanitestudina(Testudinaceae)are described as novel genera in Dothideomycetes.A synnematous hyphomycete with basidiomycetous affinity(Corticiales)was also identified and described as ***,an asexual morph was observed for Holmiella junipericola;Patellaria quercus is synonymized under ***,and seven new species are described.

关键词： 14 new taxa Ascomycota Basidiomycota Desert Dothideomycetes Patellariales Saprobes

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Evolution of freshwater Diaporthomycetidae(Sordariomycetes)provides evidence for five new orders and six new families

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Fungal Diversity 2021年第2期107卷 71-105页

作者： Kevin D.Hyde Dan-Feng Bao Sinang Hongsanan K.W.Thilini Chethana Jing Yang Nakarin Suwannarach Center of Excellence in Fungal Research Mae Fah Luang UniversityChiang Rai 57100Thailand Research Centre of Microbial Diversity and Sustainable Ultilization Chiang Mai UniversityChiang Mai 50200Thailand Innovative Institute of Plant Health Zhongkai University of Agriculture and EngineeringHaizhu DistrictGuangzhou 510225PR China Department of Entomology and Plant Pathology Faculty of AgricultureChiang Mai UniversityChiang Mai 50200Thailand College of Agriculture and Biological Sciences Dali UniversityDali 671003YunnanPR China Guangdong Provincial Key Laboratory for Plant Epigenetics Shenzhen Key Laboratory of Microbial Genetic EngineeringCollege of Life Science and OceanographyShenzhen UniversityShenzhen 518060China School of Science Mae Fah Luang UniversityChiang Rai 57100Thailand Guizhou Key Laboratory of Agricultural Biotechnology Guizhou Academy of Agricultural SciencesGuiyang 550006GuizhouChina Department of Biology Faculty of ScienceChiang Mai UniversityChiang Mai 50200Thailand

Cancellidium is a remarkable fungal genus which has been collected from wood submerged in freshwater and has unique conidia that are important in dispersal in running *** such a remarkable morphology,one would have expected it to be a distinct family or ***,due to the dearth of molecular evidence in related taxa,this genus has previ-ously been placed in the order Hypocreales,subclass Hypocreomycetidae of *** this study,we made three new collections of this remarkable aquatic genus from streams in China and Thailand,isolated them into culture,extracted DNA and carried out multigene phylogenetic analysis and divergence time estimation which placed the genus in *** is one of the seven subclasses of Sordariomycetes and contains 30 lineages that are only known from *** subclass is therefore of interest when considering the evolution of freshwater *** lineages of Diaporthomycetidae are morphologically unique and taxa cluster with strong support,but have weak support at the base of the *** phylogenetic and MCC trees generated in this study indicate that Aquapteridospora,Barbatosphaeriaceae,Bullimyces,Cancellidium,Ceratolenta,Conlarium,Phialemoniopsis,Pseudostanjehughesia and Rhamphoriaceae are distinct genera/families that evolved in the family/order time *** new orders Barbatosphaeriales(177 MYA),Cancellidiales(137 MYA),Ceratolentales(147 MYA),Conlariales(138 MYA)and Rhamphoriales(133 MYA)and six new families,Aquapteridosporaceae(110 MYA),Cancellidiaceae(137 MYA),Ceratolentaceae(81 MYA),Bullimycetaceae(81 MYA),Phialemoniopsaceae(59 MYA),and Pseudostanjehughesiaceae(111 MYA)are introduced with evidence from phylogenies,divergence estimates and distinct *** these families,Aquapteridosporaceae,Cancellidiaceae,Bullimycetaceae,and Pseudostanjehughesiaceae are only known from freshwater.

关键词： 14 new taxa Evolution Freshwater fungi new family new order

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