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http://dx.doi.org/10.4489/KJM.20170034

Isolation and Diversity of Wild Yeasts from the Waters and Bank Soils of Daejeoncheon, Gapcheon, and Yudeungcheon in Daejeon Metropolitan City, Korea  

Han, Sang-Min (Department of Biomedicinal Science and Biotechnology, Paichai University)
Lee, Sang-Yeop (Department of Biomedicinal Science and Biotechnology, Paichai University)
Kim, Ha-Kun (Department of Biomedicinal Science and Biotechnology, Paichai University)
Lee, Jong-Soo (Department of Biomedicinal Science and Biotechnology, Paichai University)
Publication Information
The Korean Journal of Mycology / v.45, no.4, 2017 , pp. 259-269 More about this Journal
Abstract
In order to investigate the diversity of yeasts from major rivers (the Daejeoncheon, Gapcheon and Yudeungcheon) located in Daejeon city, we isolated wild yeasts by plating diluents of samples collected during the summer and winter of 2016 onto yeast extract-peptone-dextrose (YPD) medium, then identified them using Basic Local Alignment Search Tool (BLAST) analysis to compare the nucleotide sequences of the PCR amplicons for the D1/D2 domain of 26S rDNA. In total, we isolated 191 yeast strains belonging to 104 species from 148 soil or water samples from the rivers and their junctions. Candida spp. (45 strains) including Candida tropicalis (22 strains) were the most abundantly isolated strains from the Daejeoncheon. Candida spp. (16 strains) including Candida vartiovaarae (8 strains) and Candida spp. (18 strains) such as Candida sake (4 strains) were also the dominant isolates from the Gapcheon and Yudeungcheon, respectively. In conclusion, Candida spp. and Cryptococcus spp. were the most dominant strains, corresponding to 42% and 7% of the 191 yeast strains isolated in this study, respectively.
Keywords
Daejeon City; Riverside; Soil; Wild yeast;
Citations & Related Records
Times Cited By KSCI : 16  (Citation Analysis)
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