Backbone tree for Chaetothyriales with four new species of Minimelanolocus from aquatic habitats
文献类型: 外文期刊
作者: Liu, Xiao-Ying 1 ; Udayanga, Dhanushka 3 ; Luo, Zong-Long 1 ; Chen, Li-Jiao 5 ; Zhou, De-Qun 2 ; Su, Hong Yan 1 ; Hyde 1 ;
作者机构: 1.Dali Univ, Coll Basic Med, Dali 671000, Yunnan, Peoples R China
2.Kunming Univ Sci & Technol, Fac Environm Sci & Engn, Kunming 650500, Yunnan, Peoples R China
3.Mae Fah Luang Univ, Ctr Excellence Fungal Res, Chiang Rai 57100, Thailand
4.Mae Fah Luang Univ, Sch Sci, Chiang Rai 57100, Thailand
5.Yunnan Acad Agr Sci, Inst Biotechnol & Gerplam Resources, Kunming 650223, Peoples R China
6.Dali Univ, Coll Agr & Biol, Dali 671003, Yunnan, Peoples R China
关键词: Aquatic fungi;Black yeasts;Eurotiomycetes;Molecular phylogeny;Morphology
期刊名称:FUNGAL BIOLOGY ( 影响因子:3.099; 五年影响因子:3.364 )
ISSN:
年卷期:
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收录情况: SCI
摘要: We are studying the freshwater lignicolous fungi along a north-south latitudinal gradient in Asia. In this paper, fresh collections of Minimelanolocus from submerged wood in streams in Yunnan Province, China are characterised based on morphology and molecular phylogeny based on three rDNA regions: 18S (SSU), ITS1-5.8S-ITS2 (ITS) and 285 nuclear rDNA (LSU). The phylogenetic analysis of combined LSU and SSU sequence data and a separate analysis of ITS placed the isolates within the family Herpotrichiellaceae, order Chaetothyriales. An updated phylogenetic backbone tree for Chaetothyriales is provided with available ex-type and additional isolates. One of the isolates collected was identified as Mini melanolocus obscurus based on morphology and molecular data. Minimelanolocus aquaticus, M. asiaticus, M. curuatus and M. melanicus are described as new species considering the interspecific ITS variability and morphology. The phylogenetic placement of Minimelanolocus in Chaetothyriales is novel and provides new sequence data for the genus as a distinct lineage in Chaetothyri ales. The conidial characters of all the known species in the genus are summarized. Descriptions and illustrations are provided for the five species of Minimelanolocus with notes on their taxonomy and phylogeny. (C) 2015 The British Mycological Society. Published by Elsevier Ltd. All rights reserved.
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