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제주도와 남해 장사도 해변 등으로부터 분리, 선별된 국내 미기록 야생효모들의 균학적 특성

Microbiological Characteristics of the Unrecorded Wild Yeasts from Jeju Island and Jangsado in Southern Coast, Korea

  • 문정수 (배재대학교 생명공학과) ;
  • 이향범 (전남대학교 농생명화학과) ;
  • 이종수 (배재대학교 생명공학과)
  • Jeong-Su Moon (Department of Biotechnology, Paichai University) ;
  • Hyang Burm Lee (Department of Agricultural Biological Chemistry, Chonnam National University) ;
  • Jong-Soo Lee (Department of Biotechnology, Paichai University)
  • 투고 : 2024.01.03
  • 심사 : 2024.03.15
  • 발행 : 2024.03.31

초록

제주도와 남해안 장사도 해변 등지로부터 분리한 야생효모들 중 국내 미기록 야생효모들을 선별한 후 이들의 균학적 특성을 조사하였다. 이들 수계에서 분리한 야생효모들 중 Coniozyma leucospermi JJD37-2, Hanseniaspora thailandica JJD44-1, Kluyveromyces nonfermentans JJD15-1, Kockovaella fuzhouensis JJD47-3, Vishniacozyma heimaeyensis JJD8-4, Candida carpophila JSDH24-1, Wickerhamomyces strasburgensis JSDH34-2, Candida savonica HJD6-4, Candida karawaiewii YP23-3 등 9종이 국내 미기록 야생효모로 최종 선별되었다. 이들 균주들은 대부분 구형으로 출아에 의해 영양증식을 하였고 자낭포자와 의균사들을 형성하지 않았다. K. fuzhouensis JJD47-3과 V. heimaeyensis JJD8-4 외 7균주들은YPD, YM, PD등의 배지에서 잘 생육하였고 C. leucospermi JJD37-2와 C. carpophila JSDH24-1, C. savonica HJD6-4 균주들은 50% 포도당을 함유한 YPD 배지에서 생육하는내당성을보였으며 9균주중 8균주가 10% NaCl을 함유한 YPD배지에서 생육하는 호염성 효모이었다. 대부분의 미기록 균주들이 Ca, Cu, Fe, Li, Mg, Zn 등의 중금속 등에 대하여 800 ppm까지 내성을 보였고 glucose, fructose, mannose, sucrose, cellobiose, raffinose등을 자화시켰다. H. thailandica JJD44-1 만이 glucose, fructose, mannose를 발효시켰다.

The present study aimed to screen unrecorded wild yeasts from Jeju lsland and Jangsado on the southern coast of Korea, and to investigate their microbiological characteristics. To date, Coniozyma leucospermi JJD37-2, Hanseniaspora thailandica JJD44-1, Kluyveromyces nonfermentans JJD15-1, Kockovaella fuzhouensis JJD47-3, Vishniacozyma heimaeyensis JJD8-4, Candida carpophila JSDH24-1, Wickerhamomyces strasburgensis JSDH34-2, Candida savonica HJD6-4, and Candida karawaiewii YP23-3 have not been previously recorded in Korea. In the present study, we investigated the microbiological characteristics of these previously unrecorded yeasts. Except for W. strasburgensis JSDH34-2 strain, none of the strains formed spores, and only the C. leucospermi JJD37-2 strain formed pseudomycelia. Almost all strains grew well in yeast extract-peptone-dextrose (YPD) medium, potato dextrose (PD) medium and yeast extract-malt extract (YM) media. C. carpophila JSDH24-1 and W. strasburgensis JSDH34-2 also grew well in YPD medium containing 10% NaCl. H. thailandica JJD44-1 is fermented to produce glucose, fructose and mannose.

키워드

과제정보

This work was supported by a grant from the Nakdonggang National Institute of Biological Resources (NNIBR), funded by the Ministry of Environment (MOE) of the Republic of Korea. This work was also supported by Chonnam National University (Project no. 2020-2098).

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