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낙동강 상주보와 금강중류 대청댐 주변으로부터 야생효모의 분리 및 국내 미기록 효모들의 균학적 특성

Isolation of Wild Yeasts Obtained from Waters and Soils of Riversides in Sangjubo of Nakdong River and Daechung Dam of Geumgang Midstream, Korea and Characterization of Unrecorded Wild Yeasts

한국균학회지 2020년 48권 3호 p.237 ~ 249
한상민, 박동재, 김지윤, 임효진, 이향범, 이종수,
소속 상세정보
한상민 ( Han Sang-Min ) - Paichai University Department of Biomedicinal Science and Biotechnology
박동재 ( Park Dong-Jae ) - Paichai University Department of Biomedicinal Science and Biotechnology
김지윤 ( Kim Ji-Yoon ) - Paichai University Department of Biomedicinal Science and Biotechnology
임효진 ( Lim Hyo-Jin ) - Chonnam National University Division of Food Technology, Biotechnology and Agrochemistry
이향범 ( Lee Hyang-Burm ) - Chonnam National University Division of Food Technology, Biotechnology and Agrochemistry
이종수 ( Lee Jong-Soo ) - Paichai University Department of Biomedicinal Science and Biotechnology

Abstract


The goal of this study was to isolate wild yeasts from waters and soils in Sangjubo of Nakdong river and Daechung dam in Daejeon city, Korea and investigate characteristics of previously unrecorded novel wild yeasts. In total, 94 strains from 39 different species of wild yeasts were isolated from 47 soils and waters samples obtained from Sangjubo in Nakdong river. Among these, 3 strains, including Rhodosporidium azoricum JSL-GRU-009, represented novel yeast strains which were previous recorded. Two hundred nine strains from 105 different species of wild yeasts were isolated from 130 soils and water samples obtained from Daechungdaegyo and Daechung dam of Shintanjin in Daejeon city, Korea. Ten strains including Bullera pseudoalba JSL-GRU-005 also represented newly recorded strains in Korea. All the 13 previously unrecorded yeasts were oval or global in shape, and nine strains, including R.
azoricum JSL-GRU-009, formed ascospores. Ten strains grew well in vitamin-free medium. R.
azoricum JSL-GRU-009 grew well in 20% glucose-containing yeast extract-peptone-dextrose (YPD) medium and 3 strains, including Rhodotorula oryzicola JSL-GRU-003, grew well in 5% NaCl-containing YPD medium.

키워드

Daechung dam; Nakdong river; Sangjubo; Unrecorded yeast; Wild yeas

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