Predicting global numbers of teleomorphic ascomycetes
作者机构：Guangdong Provincial Key Laboratory for Plant EpigeneticsCollege of Life Science and OceanographyShenzhen UniversityNanhai AvenueNanshanShenzhen 3688GuangdongChina Innovative Institute for Plant HealthZhongkai University of Agriculture and EngineeringHaizhu DistrictGuangzhou 510225China Center of Excellence in Fungal ResearchMae Fah Luang UniversityChiang Rai 57100Thailand School of ScienceMae Fah Luang UniversityChiang Rai 57100Thailand Honghe Center for Mountain FuturesKunming Institute of BotanyChinese Academy of SciencesHonghe County 654400YunnanChina Centre for Mountain Futures(CMF)Kunming Institute of BotanyKunming 650201YunnanChina CIFOR-ICRAF China ProgramWorld Agroforestry(ICRAF)Kunming 650201YunnanChina Beijing Key Laboratory of Environment Friendly Management On Fruit Diseases and Pests in North ChinaInstitute of Plant and Environment ProtectionBeijing Academy of Agriculture and Forestry SciencesBeijing 100097China Engineering Research Center of the Utilization for Characteristic Bio-Pharmaceutical Resources in SouthwestMinistry of EducationGuizhou UniversityGuiyang 550025GuizhouChina Manaaki Whenua-Landcare ResearchAuckland Mail CentrePrivate Bag 92170Auckland 1142New Zealand
出 版 物：《Fungal Diversity》 (真菌多样性（英文）)
年 卷 期：2022年第114卷第3期
页 面：237-278页
核心收录：
学科分类：0710[理学-生物学] 071001[理学-植物学] 07[理学]
基 金：National Key R&D Program of China(2021YFA0910800) National Natural Science Foundation of China(No.31601014) Basic and applied basic research fund of Guangdong Province(2121A1515012166) Stability Support Project for Universities in Shenzhen(20200812173625001) Project of DEGP(2019KTSCX150)for funding Senanayake thanks to Paul Kirk,Samantha C.Karunarathna for data contribution.S.N.Wijesinghe would like to acknowledge Thailand Science Research and Innovation(TSRI)grant for Macrofungi diversity research from the Lancang-Mekong Watershed and Surrounding areas(Grant No.DBG6280009) Dhanushka Wanasinghe thanks the CAS President’s International Fellowship Initiative(PIFI)for funding his postdoctoral research(number 2021FYB0005) the Postdoctoral Fund from Human Resources and Social Security Bureau of Yunnan Province and the National Science Foundation of China.Saowaluck Tibpromma would like to thank the International Postdoctoral Exchange Fellowship Program(Number Y9180822S1) CAS President’s International Fellowship Initiative(PIFI)(Number 2020PC0009) China Postdoctoral Science Foundation and the Yunnan Human Resources,and Social Security Department Foundation for funding her postdoctoral research.Rungtiwa Phookamsak thanks to CAS President’s International Fellowship Initiative(PIFI)for young staff(Grant No.2019FYC0003)and“High-level Talent Support Plan”Young Top Talent Special Project of Yunnan Province.
主 题：Ascomycota Estimates Habitat diversity Molecular techniques Species concepts
摘 要：Sexual reproduction is the basic way to form high genetic diversity and it is beneficial in evolution and speciation of fungi.The global diversity of teleomorphic species in Ascomycota has not been estimated.This paper estimates the species number for sexual ascomycetes based on five different estimation approaches,viz.by numbers of described fungi,by fungus:substrate ratio,by ecological distribution,by meta-DNA barcoding or culture-independent studies and by previous estimates of species in Ascomycota.The assumptions were made with the currently most accepted,“2.2–3.8 millionspecies estimate and results of previous studies concluding that 90%of the described ascomycetes reproduce sexually.The Catalogue of Life,Species Fungorum and published research were used for data procurement.The average value of teleomorphic species in Ascomycota from all methods is 1.86 million,ranging from 1.37 to 2.56 million.However,only around 83,000 teleomorphic species have been described in Ascomycota and deposited in data repositories.The ratio between described teleomorphic ascomycetes to predicted teleomorphic ascomycetes is 1:22.Therefore,where are the undiscovered teleomorphic ascomycetes?The undescribed species are no doubt to be found in biodiversity hot spots,poorly-studied areas and species complexes.Other poorly studied niches include extremophiles,lichenicolous fungi,human pathogens,marine fungi,and fungicolous fungi.Undescribed species are present in unexamined collections in specimen repositories or incompletely described earlier spe-cies.Nomenclatural issues,such as the use of separate names for teleomorph and anamorphs,synonyms,conspecific names,illegitimate and invalid names also affect the number of described species.Interspecies introgression results in new species,while species numbers are reduced by extinctions.
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