Ecogenomics of Human and Animal Basidiomycetous Yeast Pathogens

Sun, Sheng; Hagen, Ferry; Xu, Jingying; Dawson, Thomas L.; Heitman, Joseph; Kronstad, James W.; Saunders, Charles W.; Boekhout, Teun

doi:10.1002/9781118735893.ch10

Cited by 2 publications

(1 citation statement)

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“…Malassezia species occur commonly on human and animal skin, but metagenomic data also revealed the presence of the species in some unexpected habits, such as forest soil, nematodes or corals ( Guého-Kellermann et al 2010 , Gaitanis et al 2012 ). The genome comparison between Ustilago maydis and M. globosa revealed some major differences in the enzyme armamentarium used by human inhabiting Malassezia yeasts that differs from that of the plant pathogen U. maydis ( Xu et al 2007 , Sun et al 2013 ).…”

Section: Discussionmentioning

confidence: 99%

Moniliellomycetes and Malasseziomycetes, two new classes in Ustilaginomycotina

Wang¹,

Theelen²,

Groenewald³

et al. 2014

Pers - Int Mycol J

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Ustilaginomycotina (Basidiomycota, Fungi) has been reclassified recently based on multiple gene sequence analyses. However, the phylogenetic placement of two yeast-like genera Malassezia and Moniliella in the subphylum remains unclear. Phylogenetic analyses using different algorithms based on the sequences of six genes, including the small subunit (18S) ribosomal DNA (rDNA), the large subunit (26S) rDNA D1/D2 domains, the internal transcribed spacer regions (ITS 1 and 2) including 5.8S rDNA, the two subunits of RNA polymerase II (RPB1 and RPB2) and the translation elongation factor 1-α (EF1-α), were performed to address their phylogenetic positions. Our analyses indicated that Malassezia and Moniliella represented two deeply rooted lineages within Ustilaginomycotina and have a sister relationship to both Ustilaginomycetes and Exobasidiomycetes. Those clades are described here as new classes, namely Moniliellomycetes with order Moniliellales, family Moniliellaceae, and genus Moniliella; and Malasseziomycetes with order Malasseziales, family Malasseziaceae, and genus Malassezia. Phenotypic differences support this classification suggesting widely different life styles among the mainly plant pathogenic Ustilaginomycotina.

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