Editor: Teun Boekhout
Phylogenetic relationships among species of Pichia, Issatchenkia and Williopsis determined from multigene sequence analysis, and the proposal of Barnettozyma gen. nov., Lindnera gen. nov. and Wickerhamomyces gen. nov.
Article first published online: 30 JUL 2008
Journal compilation © 2008 Federation of European Microbiological Societies. Published by Blackwell Publishing Ltd. No claim to original US government works
FEMS Yeast Research
Volume 8, Issue 6, pages 939–954, September 2008
How to Cite
Kurtzman, C. P., Robnett, C. J. and Basehoar-Powers, E. (2008), Phylogenetic relationships among species of Pichia, Issatchenkia and Williopsis determined from multigene sequence analysis, and the proposal of Barnettozyma gen. nov., Lindnera gen. nov. and Wickerhamomyces gen. nov. FEMS Yeast Research, 8: 939–954. doi: 10.1111/j.1567-1364.2008.00419.x
- Issue published online: 13 AUG 2008
- Article first published online: 30 JUL 2008
- Received 28 March 2008; revised 29 May 2008; accepted 10 June 2008.First published online 30 July 2008.
- multigene phylogeny;
- new genera;
Relationships among species assigned to the yeast genera Pichia, Issatchenkia and Williopsis, which are characterized by the ubiquinone CoQ-7 and inability to utilize methanol, were phylogenetically analyzed from nucleotide sequence divergence in the genes coding for large and small subunit rRNAs and for translation elongation factor-1α. From this analysis, the species separated into five clades. Species of Issatchenkia are members of the Pichia membranifaciens clade and are proposed for transfer to Pichia. Pichia dryadoides and Pichia quercuum are basal members of the genus Starmera. Williopsis species are dispersed among hat-spored taxa in each of the remaining three clades, which are proposed as the new genera Barnettozyma, Lindnera and Wickerhamomyces. Lineages previously classified as varieties of Pichia kluyveri, ‘Issatchenkia’scutulata, Starmera amethionina and ‘Williopsis’saturnus are elevated to species rank based on sequence comparisons.