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Multi-gene phylogenetic evidence suggests Dictyoarthrinium belongs in Didymosphaeriaceae (Pleosporales, Dothideomycetes) and Dictyoarthrinium musae sp. nov. on Musa from Thailand.


ABSTRACT: 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-? 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).

SUBMITTER: Samarakoon BC 

PROVIDER: S-EPMC7423779 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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Multi-gene phylogenetic evidence suggests <i>Dictyoarthrinium</i> belongs in Didymosphaeriaceae (Pleosporales, Dothideomycetes) and <i>Dictyoarthrinium musae</i> sp. nov. on <i>Musa</i> from Thailand.

Samarakoon Binu C BC   Wanasinghe Dhanushka N DN   Samarakoon Milan C MC   Phookamsak Rungtiwa R   McKenzie Eric H C EHC   Chomnunti Putarak P   Hyde Kevin D KD   Lumyong Saisamorn S   Karunarathna Samantha C SC  

MycoKeys 20200805


Dead leaves of <i>Musa</i> sp. (banana) were collected in northern Thailand during an investigation of saprobic fungi. Preliminary morphological observations revealed that three specimens belong to <i>Dictyoarthrinium</i>. Phylogenetic analyses of combined SSU, LSU, ITS and <i>tef</i>1-α sequence data revealed that <i>Dictyoarthrinium</i> forms a clade in Didymosphaeriaceae (Massarineae, Pleosporales, Dothideomycetes) sister to <i>Spegazzinia</i>. Based on contrasting morphological features with  ...[more]

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