Intraspecific nucleotide divergence in Saccharomycodes ludwigii, and proposal of Saccharomycodes pseudoludwigii sp. nov, a new apiculate yeast isolated from China

Man-Man Wang, Marizeth Groenewald, Feng Wu, Yun-Tong Guo, Qi-Ming Wang, Teun Boekhout

Onderzoeksoutput: Bijdrage aan wetenschappelijk tijdschrift/periodieke uitgaveArtikelWetenschappelijkpeer review

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Samenvatting

The six synonyms currently accepted under Saccharomycodes ludwigii were investigated for by phenotypic properties, however, the sequence diversity of the rRNA and protein coding genes have not yet been determined. Nine strains including the type strains of synonyms of S. ludwigii deposited in the CBS yeast collection, Westerdijk Fungal Biodiversity Institute, Utrecht, The Netherlands, were analyzed using a multi-locus sequence analysis (MLSA) approach that included sequences of 18S ribosomal RNA (rRNA), the D1/D2 domains of the 26S rRNA, the ITS region (including the 5.8S rRNA) and fragments of genes encoding the largest subunit of the RNA polymerase II (RPB1 and RPB2) and translation elongation factor 1-α (TEF1). Our results showed that the nine strains have identical D1/D2, 18S and RPB2 sequences and similar ITS, RPB1 and TEF1 sequences, which indicated that they are conspecific. In addition, a novel species of Saccharomycodes, S. pseudoludwigii sp. nov. (type CGMCC 2.4526 T) that was isolated from fruit and tree bark in China, is proposed. The MycoBank number of this new species is MB 811,650.
Originele taal-2Engels
Pagina's (van-tot)553-559
TijdschriftAntonie Van Leeuwenhoek International Journal of General and Molecular Microbiology
Volume114
Nummer van het tijdschrift5
DOI's
StatusGepubliceerd - mei 2021

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