Abstract
The family Thelebolaceae belongs to the order Thelebolales, class Leotiomycetes, and contains 22 genera. In this study, we introduce a new genus Solomyces gen. nov. in the family Thelebolaceae, which is supported by morphological observation and multilocus-based [internal transcribed spacers (ITS) + LSU and ITS + LSU+ MCM7+ EF1A+ RPB2] phylogenetic analysis. Maximum-likelihood and Bayesian phylogenetic inference analyses indicated that Solomyces is a distinct genus within this family. The new genus is compared against related Thelebolaceae genera, and its description and illustration are provided. This genus comprises one new species and one unnamed species (including two strains). We also report the addition of four new species – Pseudogymnoascus shaanxiensis, Pseudogymnoascus guizhouensis, Pseudogymnoascus sinensis, and Geomyces obovatus – in the family Thelebolaceae and present their morphological and phylogenetic characterizations.
Highlights
The class Leotiomycetes (Pezizomycotina) was erected by Eriksson and Winka (1997) to accommodate inoperculate discomycetes
We introduce a new genus Solomyces gen. nov. in the family Thelebolaceae, which is supported by morphological observation and multilocusbased [internal transcribed spacers (ITS) + LSU and ITS + LSU+ minichromosomal maintenance protein 7 (MCM7)+ elongation factor 1 alpha (EF1A)+ RNA polymerase II subunit 2 (RPB2)] phylogenetic analysis
We report the addition of four new species – Pseudogymnoascus shaanxiensis, Pseudogymnoascus guizhouensis, Pseudogymnoascus sinensis, and Geomyces obovatus – in the family Thelebolaceae and present their morphological and phylogenetic characterizations
Summary
The class Leotiomycetes (Pezizomycotina) was erected by Eriksson and Winka (1997) to accommodate inoperculate discomycetes. The family Thelebolaceae is important in the order Thelebolales because of several species that can produce antifreeze proteins, ice-binding proteins, and some secondary metabolites with potential application values that offer valuable resources for biotechnological exploitation (Batista et al, 2020); the family was introduced by Eckblad (1968) and typified by the genus Thelebolus with Thelebolus stercoreus as the type species Members of this family are characterized by absent, apothecial, or cleistothecial ascomata (Van Brummelen, 1985; Stchigel et al, 2001; De Menezes et al, 2017; Ekanayaka et al, 2019). We introduced their morphological, cultural, and phylogenetic characterization and propose one new genus and five new species
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