Farysizyma gen. nov., an anamorphic genus in the Ustilaginales to accommodate three novel epiphytic basidiomycetous yeast species from America, Europe and Asia

J Inácio, Melissa Fontes Landell, Patrícia Valente, Pihan Wang, Yen Ting Wang, Shanhua Yang, Jessamyn S. Manson, Marc André Lachance, Carlos A. Rosa, Álvaro Luís Afonso Moreira Rato da Fonseca

Research output: Contribution to journalArticlepeer-review

22 Citations (Scopus)

Abstract

Among many isolates that resulted from four independent surveys of yeasts associated with plants in Brazil, the USA, Portugal and Taiwan, we have characterized eighteen basidiomycetous strains, two of which were conspecific with the type strain of Rhodotorula acheniorum, whereas the remaining sixteen isolates appeared not to correspond to any previously described species. Microsatellite-PCR fingerprinting with primers M13 and (GTG)5 confirmed that the latter strains formed three genetically distinct groups. Each group was considered to represent a distinct species based on nucleotide sequences of the D1/D2 domains of the 26S rRNA gene and the internal transcribed spacer (ITS) region. Phylogenetic analyses of sequence data placed the putative novel species in a clade with R. acheniorum and the dimorphic smut fungus Farysia chardoniana. A novel anamorphic genus, Farysizyma, is created to accommodate the three undescribed species, which were named Farysizyma itapuensis, Farysizyma setubalensis and Farysizyma taiwaniana. A new combination, Farysizyma acheniorum, is proposed for R. acheniorum, which may represent the yeast-phase anamorph of Farysia thuemenii.
Original languageEnglish
Pages (from-to)499-508
Number of pages10
JournalFems Yeast Research
Volume8
Issue number3
DOIs
Publication statusPublished - May 2008

Keywords

  • Basidiomycetous yeasts
  • Farysizyma
  • Phylloplane
  • Ustilaginomycotina

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