Antonie van Leeuwenhoek

, Volume 73, Issue 4, pp 331–371

Identification and phylogeny of ascomycetous yeasts from analysis of nuclear large subunit (26S) ribosomal DNA partial sequences

  • Cletus P. Kurtzman
  • Christie J. Robnett

DOI: 10.1023/A:1001761008817

Cite this article as:
Kurtzman, C.P. & Robnett, C.J. Antonie Van Leeuwenhoek (1998) 73: 331. doi:10.1023/A:1001761008817


Approximately 500 species of ascomycetous yeasts, including members of Candida and other anamorphic genera, were analyzed for extent of divergence in the variable D1/D2 domain of large subunit (26S) ribosomal DNA. Divergence in this domain is generally sufficient to resolve individual species, resulting in the prediction that 55 currently recognized taxa are synonyms of earlier described species. Phylogenetic relationships among the ascomycetous yeasts were analyzed from D1/D2 sequence divergence. For comparison, the phylogeny of selected members of the Saccharomyces clade was determined from 18S rDNA sequences. Species relationships were highly concordant between the D1/D2 and 18S trees when branches were statistically well supported.

Ascomycetous yeasts phylogeny ribosomal DNA systematics 

Copyright information

© Kluwer Academic Publishers 1998

Authors and Affiliations

  • Cletus P. Kurtzman
    • 1
  • Christie J. Robnett
    • 1
  1. 1.Microbial Properties Research, National Center for Agricultural Utilization Research, Agricultural Research ServiceU.S. Department of AgriculturePeoriaUSA

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