한국미생물·생명공학회지 (Microbiology and Biotechnology Letters)

  • 제25권5호
  • /
  • Pages.464-467
  • /
  • 1997
  • /
  • 1598-642X(pISSN)
  • /
  • 2234-7305(eISSN)
한국미생물·생명공학회 (The Korean Society for Microbiology and Biotechnology)
권호 표지

Lactobacillus casei YIT 9018의 Shuttle Vector 개발을 위한 분자유전학적 연구

  • 유민 (계명대학교 생물학과) ;
  • 남진식 (계명대학교 생물학과) ;
  • 권오식 (계명대학교 생물학과) ;
  • 백영진 ((주)한국야쿠르트 중앙연구소)
  • 발행 : 1997.10.01
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초록

A shuttle vector, pSHvec, was constructed for Lactobacillus casei (L. casei) YIT 9018 and JM1O9 by recombinant DNA technology. This vector contained the $\beta$-lactamase II gene from Bacillus cereus as a selection marker and replication origins for both Gram(+) and Gram(-) strains. It could transform the wild type L. casei YIT 9018 as well as E. coli JM109 and transformed cells were selected based on antibiotics resistance. The ability of L. casei YIT 9018 for curd formation in 11% skim milk was maintained even after transformation with pSHvec. The vector was stable as long as antibiotics were added to the medium. These results could contribute to the study of lactic acid bacteria for the industrial purpose at a genetic level.

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참고문헌

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