The Korean Journal of Mycology (한국균학회지)

The Korean Society of Mycology (한국균학회)
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Characterization of Unrecorded Yeasts Isolated from Leaves of Trees of Oknyeobong Peak and Yeonjasan Mountain in Daejeon, Korea

대전광역시 옥녀봉과 연자산 나뭇잎으로부터 야생효모의 분리 및 국내 미기록 효모의 특성

  • Han, Sang-Min (Department of Biomedicinal Science and Biotechnology, Paichai University) ;
  • Lee, Jong-Soo (Department of Biomedicinal Science and Biotechnology, Paichai University)
  • 한상민 (배재대학교 바이오.의생명공학과) ;
  • 이종수 (배재대학교 바이오.의생명공학과)
  • Received : 2017.02.14
  • Accepted : 2017.02.22
  • Published : 2017.03.01
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Abstract

Twenty-two yeast strains of 15 species were isolated from the leaves of 20 trees on Oknyeobong Peak, and 24 yeast strains of 12 species were isolated from the leaves of 20 trees on Yeonjasan Mountain in Daejeon city, Korea. Cryptococcus bestiolae (5 strains) and Aureobasidium pullulans (8 strains) were the predominant isolates from Oknyeobong Peak and Yeonjasan Mountain, respectively. Of a total of 46 yeast strains, Cryptococcus kuetzingii JSL508, Cryptococcus vishniacii JSL509, and Dioszegia takashimae JSL510 from Okyeobong Peak, and Plowrightia periclymeni JSL514, Erythrobasidium hasegawanium JSL0193, and Rhodotorula nothofagi JSL0196 from Yeonjasan Mountain were determined to be yeast strains that were yet unrecorded in Korea. Morphological and cultural characteristics of these unrecorded yeasts were investigated. Erythrobasidium hasegawanium JSL0193 and Rhodotorula nothofagi JSL0196 did not form ascospores and pseudomycelia. All the strains, except Dioszegia takashimae JSL510, were halotolerant or halophilic, and Cryptococcus kuetzingii JSL508 and Dioszegia takashimae JSL510 were thermophilic, growing at $37^{\circ}C$.

각종 나뭇잎들의 효모 분포특성을 알아보기 위하여 대전광역시 서부지역에 위치한 옥녀봉과 연자산의 나뭇잎들로부터 야생효모들을 분리, 동정하였고 이들로부터 국내 미기록 효모들을 선별하여 균학적 특성을 조사하였다. 옥녀봉의 나뭇잎 20점으로부터 15종 22균주의 야생효모를 분리, 동정하였고 Cryptococcus bestiolae가 5주로 가장 많이 분리되었다. 또한 연자산 나뭇잎 20점에서는 모두 12종 24균주의 야생효모를 분리하였고 Aureobasidium pullulans가 8주로 가장 많았다. 옥녀봉과 연자산에서 분리한 야생효모 46균주 중에서 6종(Cryptococcus kuetzingii JSL508, Cryptococcus vishniacii JSL509, Dioszegia takashimae JSL510, Plowrightia periclymeni JSL514, Erythrobasidium hasegawianum JSL0193, Rhodotorula nothofagi JSL0196)을 국내에서 보고되지 않은 미기록 효모들로 최종 선별하였다. 이들의 균학적 특성을 조사한 결과 E. hasegawianum JSL0196은 자낭포자와 의균사를 형성하지 않았다. D. JSL510 외 모든 미기록 효모들은 내염성 또는 호염성이었고, C. JSL508과 D. JSL510은 $37^{\circ}C$에서 생육하는 고온성 효모들이었다.

Keywords

References

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