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KMID : 0379120180460020098
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Korean Journal of Mycology
2018 Volume.46 No. 2 p.98 ~ p.104
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Isolation and Characterization of Wild Yeasts from Water and Riverside Soils of Geumgang Midstream in Gongju City, Korea
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Han Sang-Min
Kim Ji-Yoon
Lee Hyang-Burm
Kim Ha-Kun
Lee Jong-Soo
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Abstract
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The goal of this study was to elucidate wild yeast diversity of the midstream region of the Geumgang river, Gongju, Chungnam province, Korea. Fifty strains of 24 species of wild yeasts were isolated from 45 water and soil samples among which Cryptococcus spp. (11 strains), Cryptococcus magnus (7 strains), Rhodotorula spp. (9 strains), and Hanseniaspora spp. (6 strains) were dominant. Four species, Candida chauliodes WJSF 0201, Candida oleophila WJSF 0202, Candida catenulata WJSF 0203, and Candida jaroonii WJSF 0204, represented newly recorded yeasts in Korea. All of these unrecorded yeasts were oval in shape, formed ascospores and pseudomycelium, and grew in vitamin-free medium. Candida oleophila WJSF 0202 was thermophilic which can grow at 37°C.
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KEYWORD
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Geumgang river, Riverside soil, Unrecorded wild yeast, Water
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