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Morphological Variety in Distoseptispora and Introduction of Six Novel Species

Jing YangCenter of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, ThailandLingling LiuGuizhou Institute of Soil and Fertilizer, Guizhou Academy of Agricultural Sciences, Guiyang 550006, ChinaE.B. Gareth JonesDepartment of Botany and Microbiology, College of Science, King Saud University, Riyadh 11451, Saudi ArabiaWenli LiSchool of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu 611731, ChinaKevin D. HydeCenter of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, ThailandLiu Zuo-yiGuizhou Key Laboratory of Agricultural Biotechnology, Guizhou Academy of Agricultural Sciences, Guiyang 550006, China

2021en

ABI

Annotatsiya

Distoseptispora is one of the sporidesmium-like taxa with great variation in asexual morphology and delineation of species. Phylogenetic analyses of four gene regions LSU, ITS, TEF1α, and RPB2 revealed the placement of several sporidesmium-like species in Distoseptispora (Distoseptisporaceae, Distoseptisporales, Sordariomycetes), collected on submerged decaying twigs from streams in China and Thailand. Based on morphological examination and molecular DNA data, six new species, Distoseptispora amniculi, D. atroviridis, D. effusa, D. fusiformis, D. hyalina, and D. verrucosa, are proposed. Among them, D. hyalina is the first sexual morph confirmed in the genus. A new geographical record is reported for D. lignicola in China. Conidial length proved to be of less taxonomic significance for some Distoseptispora species, whereas the type of conidial septa is informative at species level.

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Identifikatorlar

DOI: 10.3390/jof7110945

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