International Journal of Systematic and Evolutionary Microbiology, Vol 51, 2189-2198, Copyright © 2001 by Society for General Microbiology

Three new species of Saccharomyces sensu lato van der Walt from Yaku Island in Japan: Saccharomyces naganishii sp. nov., Saccharomyces humaticus sp. nov. and Saccharomyces yakushimaensis sp. nov

K Mikata, K Ueda-Nishimura and T Hisatomi
Institute for Fermentation, Osaka (IFO) 17-85, Juso-honmachi 2-chome, Yodogawa-ku, Osaka 532-8686, Japan

Three new yeast species were isolated from soil and partially decayed leaves in Yaku Island and Iriomote Island in the Nansei Islands of Japan. Based on DNA hybridization and physiological characters, these represent novel taxa. These are designated Saccharomyces naganishii sp. nov. (type strain IFO 10181(T)=CBS 8797(T)), Saccharomyces humaticus sp. nov. (type strain IFO 10673(T)=CBS 8893(T)) and Saccharomyces yakushimaensis sp. nov. (type strain IFO 1889(T)=CBS 8894(T)). The phylogenetic relationships of the three new species with members of other ascomycetous genera (e.g. Kluyveromyces, Saccharomyces, Torulaspora and Zygosaccharomyces) were estimated by 18S rDNA gene sequence analysis.

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