Multi-gene phylogenetic evidence suggests Dictyoarthrinium belongs in Didymosphaeriaceae (Pleosporales, Dothideomycetes) and Dictyoarthrinium musae sp. nov. on Musa from Thailand
Creators
- 1. Mae Fah Luang University, Chiang Rai, Thailand|Chiang Mai University, Chiang Mai, Thailand
- 2. Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China|World Agro Forestry Centre, Kunming, China
- 3. World Agro Forestry Centre, Kunming, China|Chiang Mai University, Chiang Mai, Thailand|Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
- 4. Manaaki Whenua-Landcare Research, Auckland, New Zealand
- 5. Mae Fah Luang University, Chiang Rai, Thailand
- 6. Mae Fah Luang University, Chiang Rai, Thailand|Zhongkai University of Agriculture and Engineering, Guangzhou, China
- 7. Academy of Science, The Royal Society of Thailand, Bangkok, Thailand|Chiang Mai University, Chiang Mai, Thailand
- 8. Chiang Mai University, Chiang Mai, Thailand|Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China|World Agro Forestry Centre, Kunming, China
Description
Dead leaves of Musa sp. (banana) were collected in northern Thailand during an investigation of saprobic fungi. Preliminary morphological observations revealed that three specimens belong to Dictyoarthrinium. Phylogenetic analyses of combined SSU, LSU, ITS and tef1-α sequence data revealed that Dictyoarthrinium forms a clade in Didymosphaeriaceae (Massarineae, Pleosporales, Dothideomycetes) sister to Spegazzinia. Based on contrasting morphological features with the extant taxa of Dictyoarthrinium, coupled with the multigene analyses, Dictyoarthrinium musae sp. nov. is introduced herein. Our study provides the first detailed molecular investigation for Dictyoarthrinium and supports its placement in Didymosphaeriaceae (Massarineae, Pleosporales, Dothideomycetes). Previously, Dictyoarthrinium was classified in Apiosporaceae (Xylariales, Sordariomycetes).
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- Figure: 10.3897/mycokeys.71.55493.figure1 (DOI)
- Figure: 10.3897/mycokeys.71.55493.figure4 (DOI)
- Figure: 10.3897/mycokeys.71.55493.figure2 (DOI)
- Figure: 10.3897/mycokeys.71.55493.figure3 (DOI)