The Korean Journal of Mycology (한국균학회지)

The Korean Society of Mycology (한국균학회)
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Characterization of Wild Yeasts Isolated from Leaves Obtained from Mt. Daedun and Mt. Chilgap, Korea

대둔산과 칠갑산 나뭇잎에서 야생효모들의 분리 및 특성

  • 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)
  • 한상민 (배재대학교 바이오.의생명공학과) ;
  • 이상엽 (배재대학교 바이오.의생명공학과) ;
  • 김하근 (배재대학교 바이오.의생명공학과) ;
  • 이종수 (배재대학교 바이오.의생명공학과)
  • Received : 2017.02.07
  • Accepted : 2017.02.24
  • Published : 2017.03.01
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Abstract

Several yeast strains were isolated from leaves collected from Mt. Daedun and Mt. Chilgap in Korea. A total of 79 strains of 32 species were isolated from 44 leaves obtained from Mt. Daedun. Cryptococcus spp., including Cryptococcus magnus, were found to be dominant, while 16 strains of Aureobasidium pullulans were isolated. Among the strains isolated from Mt. Daedun, Asterotremella humicola JSL502, Barnettozyma californica JSL503, Bullera unica JSL501, Bulleromyces albus JSL505, and Candida vaccinii JSL507 are considered rare yeast species in Korea. All of these rare strains, except for Bulleromyces albus JSL505, formed ascospores. Bullera unica JSL501 was able to grow in yeast extract-peptone-dextrose (YPD) medium containing 10% NaCl. Twenty-five yeast strains of 18 species were isolated from 43 leaves obtained from Mt. Chilgap. Six strains of Pseudozyma spp., including three strains of Pseudozyma aphidis, were isolated in the dormant state. Of these strains, the occurrence of Rhodotorula phylloplana JSL515, Rhodotorula pinicola JSL516, Schwanniomyces vanrijiae JSL517, and Sporisorium loudetiae JSL518 is rare in Korea. Only Sporisorium loudetiae JSL518 formed ascospores, while Rhodotorula pinicola JSL516 and Sporisorium loudetiae JSL518 formed pseudomycelia. The halophilic yeast Schwanniomyces vanrijiae JSL517 was isolated and observed to grow in YPD medium containing 5% NaCl.

충청남도와 전라북도에 걸쳐있는 대둔산과 충청남도 청양군 칠갑산의 각종 나뭇잎 87점을 수집하여 야생효모들을 분리, 동정하였다. 대둔산 나뭇잎들에서는 Cryptococcus tephrensis JSL0131를 포함하는 Cryptococcus속 균이 18균주로 가장 많이 분리되었고 Aureobasidium pullulans도 16균주가 분리되었다. 이들 중에서 Asterotremella humicola JSL502, Barnettozyma californica JSL503, Bullera unica JSL501, Bulleromyces albus JSL505와 Candida vaccinia JSL507이 국내 희귀 효모들이었고 Bulleromyces albus JSL505와 Bullera unica JSL501은 10%의 NaCl을 함유한 배지에서도 생육하는 호염성 효모였다. 칠갑산 나뭇잎에서는 Pseudozyma aphidis JSL614를 포함하는 Pseudozyma속 균이 가장 많이 분리 되었다. Rhodotorula phylloplana JSL515, Rhodotorula pinicola JSL516과 Schwanniomyces vanrijiae JSL517과 Sporisorium loudetiae JSL518 등 4균주들이 국내 희귀 종이었고 Sporisorium loudetiae JSL518은 포자와 의균사를 형성하였으며 Rhodotorula pinicola JSL516과 Schwanniomyces vanrijiae JSL517은 5% NaCl을 함유한 YPD 배지에서 생육하는 호염성 효모이었다.

Keywords

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