Two new species of Helicascus (Morosphaeriaceae) from submerged wood in northern Thailand
文献类型: 外文期刊
作者: Luo, Zong-Long 1 ; Yang, Jing 2 ; Liu, Jian-Kui 4 ; Su, Hong-Yan 1 ; Bahkali, Ali H. 6 ; Hyde, Kevin D. 2 ;
作者机构: 1.Dali Univ, Coll Agr & Biol Sci, Dali 671003, Yunnan, Peoples R China
2.Mae Fah Luang Univ, Ctr Excellence Fungal Res, Chiang Rai 57100, Thailand
3.Mae Fah Luang Univ, Sch Sci, Chiang Rai 57100, Thailand
4.Guizhou Acad Agr Sci, Guizhou Key Lab Agr Biotechnol, Guiyang 550006, Guizhou Provinc, Peoples R China
5.Kunming Univ Sci & Technol, Fac Environm Sci & Engn, Kunming 650500, Yunnan Province, Peoples R China
6.King Saud Univ, Dept Bot & Microbiol, Riyadh, Saudi Arabia
关键词: aquatic fungi;Dothideomycetes;Morosphaeriaceae;morphology;phylogeny
期刊名称:PHYTOTAXA ( 影响因子:1.171; 五年影响因子:1.196 )
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收录情况: SCI
摘要: Two new Helicascus species H. chiangraiensis and H. uniseptatus from submerged wood in aquatic habitats in northern Thailand are introduced in this paper based on morphology and molecular analysis of DNA sequence data. Descriptions and illustrations of H. chiangraiensis and H. uniseptatus are provided. Helicascus chiangraiensis is characterized by its unilocular ascostromata, verrucose-walled ascospores with 2-4 large refractive guttules. Helicascus uniseptatus is characterized by its unilocular, small ascostromata, and uniseptate, smooth-walled ascospores lacking a mucilaginous sheath. Phylogenetic analysis based on combined ITS, LSU and TEF1a sequence data placed these species in Morosphaeriaceae (Pleosporales).
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