A phylogenetic census of global diversity of gut anaerobic fungi and a new taxonomic framework
Paul, Shyam Sundar1,2; Bu, Dengpan3,4,5; Xu, Jianchu3,6; Hyde, Kevin D.7; Yu, Zhongtang1,3
2018-03-01
发表期刊FUNGAL DIVERSITY
ISSN1560-2745
卷号89期号:1页码:253-266
摘要Obligate anaerobic fungi of the phylum Neocallimastigomycota play a key role in digesting fibrous feeds in the gut of herbivores, but little is known about their global diversity. In this study, the collective diversity of gut anaerobic fungi was examined using all curated internal transcribed spacer 1 (ITS1) sequences of anaerobic gut fungi available in GenBank. The 262,770 quality-checked fungal ITS1 sequences downloaded from GenBank were assigned to 274 operational taxonomic units (OTUs) at the approximate species level. Of these approximate species-equivalent (Sp-eq) OTUs, 119 were represented by at least five ITS1 sequences, with 38 containing known species and 81 containing no known species. Based on a rarefaction analysis, the currently available ITS1 sequences represent nearly all the major species of gut anaerobic fungi, but much more sequencing effort is needed to assess the actual richness of minor OTUs. One dataset of ITS1 reference sequences (referred to as AF-RefSeq) and one comprehensive taxonomic framework are also presented, and they are shown to be suitable for taxonomic classification of most of the ITS1 sequences in GenBank. The results of the present study may help guide future studies involving taxonomic and phylogenetic analysis of ITS1 sequences of anaerobic fungi and targeted isolation and characterization of new anaerobic fungi.
关键词Anaerobic Fungi Global Diversity Its1 Sequences Rumen Taxonomic Framework
语种英语
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文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/60426
专题资源植物与生物技术所级重点实验室
作者单位1.Ohio State Univ, Dept Anim Sci, 2029 Fyffe Court, Columbus, OH 43210 USA
2.ICAR Cent Inst Res Buffaloes, Sirsa Rd, Hisar 125001, Haryana, India
3.Chinese Acad Agr Sci, Inst Anim Sci, State Key Lab Anim Nutr, Beijing 100193, Peoples R China
4.World Agroforestry Ctr, CAAS ICRAF Joint Lab Agroforestry & Sustainable A, Beijing 100193, Peoples R China
5.CICAPS, Hunan Coinnovat Ctr Anim Prod Safety, Changsha 410128, Hunan, Peoples R China
6.Chinese Acad Sci, Kunming Inst Bot, Kunming 650201, Yunnan, Peoples R China
7.Mae Fah Luang Univ, Ctr Excellence Fungal Divers, Chiang Rai 57100, Thailand
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GB/T 7714
Paul, Shyam Sundar,Bu, Dengpan,Xu, Jianchu,et al. A phylogenetic census of global diversity of gut anaerobic fungi and a new taxonomic framework[J]. FUNGAL DIVERSITY,2018,89(1):253-266.
APA Paul, Shyam Sundar,Bu, Dengpan,Xu, Jianchu,Hyde, Kevin D.,&Yu, Zhongtang.(2018).A phylogenetic census of global diversity of gut anaerobic fungi and a new taxonomic framework.FUNGAL DIVERSITY,89(1),253-266.
MLA Paul, Shyam Sundar,et al."A phylogenetic census of global diversity of gut anaerobic fungi and a new taxonomic framework".FUNGAL DIVERSITY 89.1(2018):253-266.
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