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Title: Farysizyma gen. nov., an anamorphic genus in the Ustilaginales to accommodate three novel epiphytic basidiomycetous yeast species from America, Europe and Asia
Authors: Fonseca, Álvaro
Inácio, João
Landell, Melissa Fontes
Valente, Patrícia
Wang, Pi-Han
Wang, Yen-Ting
Rosa, Carlos A.
Keywords: Phylloplane
Basidiomycetous yeasts
Issue Date: 2008
Publisher: Federation of European Microbiological Societies
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.
Description: FEMS Yeast Research, Vol. 8, Nº 3
Appears in Collections:FCT: DCV - Artigos em revista internacional com arbitragem científica

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