Abstract

Using electrophoretic karyotyping, RAPD fingerprinting and phylogenetic analysis of ribosomal RNA gene sequences, twenty-six Vanderwaltozyma strains were studied. Out of 19 strains isolated in mountainous areas of Taiwan, eighteen strains were isolated from soil and one strain was isolated from the fruiting body of mushroom, six were identified as V. polyspora and three as V. verrucispora. Based on the results of a multigene sequence analysis (D1/D2, ITS and mitochondrial COX II gene) and DNA-DNA reassociation, three new ascosporic members of the genus Vanderwaltozyma are formally described: V. huisunica sp. nov. (GA1S06T = CBS 12250T = BCRC 23260T), V. meishanica sp. nov. (EN4S02T = CBS 12249T = BCRC 23255T) and V. molinica sp. nov. (GJ8S05T = CBS 12251T = BCRC 23264T), and the holotypes of these novel species are assigned as BCRC 23260T, BCRC 23255T and BCRC 23264T, respectively.

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