Molecular genetic diversity of the Saccharomyces yeasts in Taiwan: Saccharomyces arboricola, Saccharomyces cerevisiae and Saccharomyces kudriavzevii |
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| Authors: | Gennadi I. Naumov Ching-Fu Lee Elena S. Naumova |
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| Affiliation: | 1. State Institute for Genetics and Selection of Industrial Microorganisms, 1-Dorozhnyi 1, Moscow, 117545, Russia
2. Department of Applied Science, National Hsinchu University of Education, 521 Nanda Rd., Hsinchu, 30014, Taiwan
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| Abstract: | Genetic hybridization, sequence and karyotypic analyses of natural Saccharomyces yeasts isolated in different regions of Taiwan revealed three biological species: Saccharomyces arboricola, Saccharomyces cerevisiae and Saccharomyces kudriavzevii. Intraspecies variability of the D1/D2 and ITS1 rDNA sequences was detected among S. cerevisiae and S. kudriavzevii isolates. According to molecular and genetic analyses, the cosmopolitan species S. cerevisiae and S. kudriavzevii contain local divergent populations in Taiwan, Malaysia and Japan. Six of the seven known Saccharomyces species are documented in East Asia: S. arboricola, S. bayanus, S. cerevisiae, S. kudriavzevii, S. mikatae, and S. paradoxus. |
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