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Reappraisal of Immotthia in Dictyosporiaceae, Pleosporales: Introducing Immotthia bambusae sp. nov. and Pseudocyclothyriella clematidis comb. et gen. nov. Based on Morphology and Phylogeny | |
Jiang,Hong-Bo; Jeewon,Rajesh; Karunarathna,Samantha C.; Phukhamsakda,Chayanard; Doilom,Mingkwan; Kakumyan,Pattana; Suwannarach,Nakarin; Phookamsak,Rungtiwa; Lumyong,Saisamorn | |
2021 | |
发表期刊 | FRONTIERS IN MICROBIOLOGY |
ISSN | 1664-302X |
卷号 | 12页码:656235 |
摘要 | Immotthia is a poorly known genus, and currently, no DNA sequence data are available to ascertain its proper phylogenetic placement and evolutionary relationships with other bitunicate fungi. To date, there are only two species accepted in the genus. During our ongoing research study of bambusicolous fungi in southwest China and Thailand, a fungus associated with stromata of Hypoxylon sp. was found on dead bamboo culms in Loei Province, Thailand. Preliminary morphological identification revealed that the fungal collection belongs to Immotthia. A novel species, Immotthia bambusae, is introduced herein based on a comparison of morphological characteristics with the type specimen of I. hypoxylon (equivalent to Amphisphaeria hypoxylon Ellis and Everh.), a synonym of I. atrograna (Cooke and Ellis) M. E. Barr. Phylogenetic analyses of a concatenated ITS, LSU, SSU, and TEF1-alpha DNA sequence matrix showed that Immotthia belongs to Dictyosporiaceae, Pleosporales. Despite I. bambusae strains constituting a supported subclade, they are nested with the genus Pseudocoleophoma. Pseudocoleophoma clematidis is morphologically different from all other Pseudocoleophoma species, while its conidial characteristics are similar to Cyclothyriella. Multigene phylogenetic analyses showed that P. clematidis formed a clade basal to Immotthia, separated from Pseudocoleophoma with strong statistical support. Therefore, we introduce a monotypic genus, Pseudocyclothyriella Phukhams. and Phookamsak, gen. nov. to accommodate the single species, Pseudocyclothyriella clematidis (Phukhams. and K. D. Hyde) Phukhams. and Phookamsak, comb. nov. Detailed descriptions, color micrographs, and phylogenetic trees to show the placement of the new taxa are provided. In addition, an updated taxonomic treatment of the genera Immotthia and Pseudocyclothyriella is also provided based on the study of the type materials and phylogeny generated from DNA sequence data. |
关键词 | bambusicolous fungi Dothideomycetes Pseudocoleophoma taxonomy two new taxa VAMSAPRIYA XYLARIACEAE BAMBOO FUNGI TAXA BAMBUSICOLA DIVERSITY YUNNAN ROUSSOELLACEAE COMBINATIONS FAMILY |
DOI | 10.3389/fmicb.2021.656235 |
WOS记录号 | WOS:000652587300001 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.kib.ac.cn/handle/151853/73375 |
专题 | 中国科学院昆明植物研究所 |
作者单位 | 1.Chinese Acad Sci, Kunming Inst Bot, CAS Key Lab Plant Divers & Biogeog East Asia, Kunming, Yunnan, Peoples R China 2.Mae Fah Luang Univ, Ctr Excellence Fungal Res, Chiang Rai, Thailand 3.Mae Fah Luang Univ, Sch Sci, Chiang Rai, Thailand 4.Univ Mauritius, Fac Med & Hlth Sci, Dept Hlth Sci, Reduit, Mauritius 5.Chiang Mai Univ, Fac Sci, Res Ctr Microbial Divers & Sustainable Utilizat, Chiang Mai, Thailand 6.World Agrobrestry ICRAF, CIFOR ICRAF China Program, Kunming, Yunnan, Peoples R China 7.Chinese Acad Sci, Kunming Inst Bot, Honghe Ctr Mt Futures, Honghe, Peoples R China 8.Kunming Inst Bot, Ctr Mt Futures CMF, Kunming, Yunnan, Peoples R China 9.Jilin Agr Univ, Engn Res Ctr, Chinese Minist Educ Edible & Med Fungi, Changchun, Peoples R China 10.Zhongkai Univ Agr & Engn, Innovat Inst Plant Hlth, Guangzhou, Peoples R China 11.Chiang Mai Univ, Dept Biol, Fac Sci, Chiang Mai, Thailand 12.Royal Soc Thailand, Acad Sci, Bangkok, Thailand |
推荐引用方式 GB/T 7714 | Jiang,Hong-Bo,Jeewon,Rajesh,Karunarathna,Samantha C.,et al. Reappraisal of Immotthia in Dictyosporiaceae, Pleosporales: Introducing Immotthia bambusae sp. nov. and Pseudocyclothyriella clematidis comb. et gen. nov. Based on Morphology and Phylogeny[J]. FRONTIERS IN MICROBIOLOGY,2021,12:656235. |
APA | Jiang,Hong-Bo.,Jeewon,Rajesh.,Karunarathna,Samantha C..,Phukhamsakda,Chayanard.,Doilom,Mingkwan.,...&Lumyong,Saisamorn.(2021).Reappraisal of Immotthia in Dictyosporiaceae, Pleosporales: Introducing Immotthia bambusae sp. nov. and Pseudocyclothyriella clematidis comb. et gen. nov. Based on Morphology and Phylogeny.FRONTIERS IN MICROBIOLOGY,12,656235. |
MLA | Jiang,Hong-Bo,et al."Reappraisal of Immotthia in Dictyosporiaceae, Pleosporales: Introducing Immotthia bambusae sp. nov. and Pseudocyclothyriella clematidis comb. et gen. nov. Based on Morphology and Phylogeny".FRONTIERS IN MICROBIOLOGY 12(2021):656235. |
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