Abstract
Two hundred and forty-four ustilaginomycetous yeast or yeast-like strains were isolated from the soil, skin of animals or humans and plant materials during the past 20 years. Among them, 203 strains represent 39 known species, whereas 41 strains represent several novel species based on the sequence analyses of the rDNA genes [18S rDNA, Internal Transcribed Spacer (ITS) regions, 26S rDNA D1/D2 domain] and three protein genes (RPB1, RPB2, and TEF1). In this study, one new order, one new family, four new genera, twenty new species, and two new combinations were proposed. They are Franziozymales ord. nov., Franziozymaceae fam. nov., Baueromyces gen. nov., Franziozyma gen. nov., Guomyces gen. nov., Yunzhangomyces gen. nov., Baueromyces planticola sp. nov., Franziozyma bambusicola sp. nov., Gjaerumia cyclobalanopsidis sp. nov., Gjaerumia pseudominor sp. nov., Jamesdicksonia aceris sp. nov., Jaminaea lantanae sp. nov., Kalmanozyma hebeiensis sp. nov., Langdonia ligulariae sp. nov., Meira hainanensis sp. nov., Meira pileae sp. nov., Meira plantarum sp. nov., Phragmotaenium parafulvescens sp. nov., Sporisorium cylindricum sp. nov., Sympodiomycopsis europaea sp. nov., Tilletiopsis lunata sp. nov., Tilletiopsis pinicola sp. nov., Yunzhangomyces clavatus sp. nov., Yunzhangomyces cylindricus sp. nov., Yunzhangomyces qinlingensis sp. nov., Yunzhangomyces orchidis sp. nov., Guomyces nicotianae comb. nov., and Yunzhangomces scirpi comb. nov.
Highlights
The subphylum Ustilaginomycotina (Basidiomycota, Fungi) comprises a variety of lifestyles
Except Pseudozyma alboarmeniaca pro tem., P. thailandica pro tem., P. tsukubaensis pro tem., P. hubeiensis pro tem., and P. pruni pro tem., the other species of Pseudozyma were transferred to Ustilago, Moesziomyces, Triodiomyces, Sporisorium, Langdonia, Kalmanozyma, and Dirkmeia, and the genus Pseudozyma was treated as a synonym of Ustilago (Wang et al, 2015)
Three species were kept in the emended genus, Tilletiopsis, while the others were transferred to the genera Phragmotaenium, Gjaerumia, Robbauera, and Golubevia
Summary
The subphylum Ustilaginomycotina (Basidiomycota, Fungi) comprises a variety of lifestyles. The asexual yeast species were placed in nine genera, namely, Acaromyces (Boekhout et al, 2003), Farysizyma (Inácio et al, 2008), Jaminaea (Sipiczki and Kajdacsi, 2009), Malassezia (Boekhout et al, 2003), Meira (Boekhout et al, 2003), Moniliella (Stolk and Dakin, 1966), Pseudozyma (Boekhout, 1995), Sympodiomycopsis (Sugiyama et al, 1991), and Tilletiopsis (Gokhale, 1972; Boekhout, 1991; Boekhout et al, 1995), and reclassified in four classes in the Ustilaginomycotina, namely, Exobasidiomycetes, Malasseziomycetes, Moniliellomycetes, and Ustilaginomycetes (Bauer et al, 2001; Hibbett et al, 2007; Begerow et al, 2014; Wang et al, 2014). A similar approach undertaken by Li et al (2020) was used to propose one new order, one new family, four new genera, twenty new species, and two new combinations in the Ustilaginomycotina
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