4.3 Article

Keqinzhangia aquatica gen. et sp. nov. and Pseudocoronospora hainanense gen. et sp. nov., isolated from freshwater in southern China

Publisher

SPRINGER
DOI: 10.1007/s10482-021-01688-3

Keywords

Aquatic fungi; Ascomycota; Microthyriaceae; Phylogeny; Taxonomy

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Funding

  1. National Natural Science Foundation Program of PR China [31770026, 31760012]

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During a study on the diversity of aquatic hyphomycetes in southern China, two interesting isolates were identified as new genera and species in the family Microthyriaceae.
During an investigation of the diversity of aquatic hyphomycetes from southern China, two interesting isolates were collected. These two isolates were cultured and sequenced, and a BLAST search of their LSU sequences against data in GenBank revealed that the closest related taxa were in the genus Microthyrium. Phylogenetic analyses, based on the combined sequence data from the internal transcribed spacer (ITS) and large nuclear subunit ribosomal DNA (LSU), revealed that our isolates belong to the Microthyriaceae. Combined morphological characters allowed us to describe our isolates as two new genera and species in Microthyriaceae, named as: Keqinzhangia aquatica and Pseudocoronospora hainanense. The full descriptions, illustrations, and a phylogenetic tree showing the position of the two new genera were provided in this paper.

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