Morphological and molecular taxonomy of <Emphasis Type="Italic">Jahnula dianchia</Emphasis> sp. nov. (Jahnulales) from submerged wood in Dianchi Lake,Yunnan China |
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| Authors: | Shi-Ke Huang Sajeewa S N Maharachchikumbura Rajesh Jeewon D Jayarama Bhat Putarak Chomnunti Kevin D Hyde Saisamorn Lumyong |
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| Institution: | 1.Center of Excellence in Fungal Research,Mae Fah Luang University,Chiang Rai,Thailand;2.School of Science,Mae Fah Luang University,Chiang Rai,Thailand;3.Key Laboratory for Plant Biodiversity and Biogeography of East Asia (KLPB), Kunming Institute of Botany,Chinese Academy of Sciences,Kunming,People’s Republic of China;4.Department of Crop Sciences, College of Agricultural and Marine Sciences,Sultan Qaboos University,Muscat,Oman;5.Department of Health Sciences, Faculty of Science,University of Mauritius,Reduit,Mauritius;6.Azad Housing Society,P.O. Goa Velha,India;7.Department of Botany,Goa University,Taleig?o,India;8.Department of Biology Faculty of Science,Chiang Mai University,Chiang Mai,Thailand |
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| Abstract: | In this study, we report the discovery of Jahnula dianchia sp. nov., a freshwater lignicolous fungus belonging to the order Jahnulales (Dothideomycetes, Ascomycota), from a submerged woody substrate from Dianchi Lake, Yunnan, China. Morphologically, this new taxon differs from other species of the genus in ascospore morphology; the ascospores of the new species are dark brown with mammiform apices. We also provide a phylogenetic tree showing the molecular relationships between the new taxon with the previously accepted Jahnula species. The analysis of combined ITS, LSU, and SSU sequence dataset places J. dianchia within the Jahnulales sister to J. sangamonensis. The phylogeny also shows the placement of both strains of J. dianchia in a well-supported independent sub-clade. |
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