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http://dx.doi.org/10.4489/KJM.20190029

Microbiological Characteristics and Physiological Functionalities of Unrecorded Wild Yeast Strains in the Soils of Hajodae and Gyungpodae Beaches in Korea  

Kim, Ha-Kun (Department of Biomedicinal Science and Biotechnology, Paichai University)
Kim, Ji-Yoon (Department of Biomedicinal Science and Biotechnology, Paichai University)
Han, Sang-Min (Department of Biomedicinal Science and Biotechnology, Paichai University)
Kim, Changmu (Microorganism Resources Division, National Institute of Biological Resources)
Lee, Jong-Soo (Department of Biomedicinal Science and Biotechnology, Paichai University)
Publication Information
The Korean Journal of Mycology / v.47, no.3, 2019 , pp. 249-258 More about this Journal
Abstract
The goal of this study was to isolate and characterize the wild yeast strains in the soils of Hajodae and Gyungpodae Beaches, Gyungpo Lake in Kangwon-do, Korea and evaluate their anti-demential and tyrosinase inhibitory activities. Among the 27 yeast strains isolated from 30 soil samples from Hajodae Beach, Cyberlindnera culbertsonii HJ31-1, Dothichiza pithyophila HJ22-4, Metschnikowia bicuspidata HJ16-1, and Sakaguchia cladiensis HJ14-1 were recorded for the first time in Korea. Additionally, six of the 55 wild yeast strains isolated from 45 soil samples from Gyungpodae Beach and Gyungpo Lake had not previously been detected in Korea, such as Aureobasidium melanogenum JR3-1. The microbiological characteristics and anti-demential and tyrosinase inhibitory activities of these previously unrecorded yeasts were investigated. Almost all of them were oval-shaped and had ascospores except for Dothichiza pithyophila HJ22-4, Diutina siamensis JR37-5, and Canadida gelsemii DC 35-1. Furthermore, they were all sugar-tolerant and able to grow in 20% glucose-containing YPD broth, except for Cyberlindnera culbertsonii HJ31-1. Diutina siamensis JR37-5 had the highest tyrosinase inhibitory activity (30.9%).
Keywords
Hajodae and Gyungpodae beaches; Physiological functionality; Soil; Unrecorded wild yeasts;
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Times Cited By KSCI : 18  (Citation Analysis)
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