한국미생물·생명공학회지 (Microbiology and Biotechnology Letters)

  • 제21권2호
  • /
  • Pages.101-106
  • /
  • 1993
  • /
  • 1598-642X(pISSN)
  • /
  • 2234-7305(eISSN)
한국미생물·생명공학회 (The Korean Society for Microbiology and Biotechnology)
권호 표지

Lactobacillus helveticus의 Protoplast 형성과 재생에 관한 연구

Protoplast Formation and Regeneration in Lactobacillus helveticus

  • 전홍기 (부산대학교 자연과학대학 미생물학과) ;
  • 박현정 (부산대학교 자연과학대학 미생물학과) ;
  • 백형석 (부산대학교 자연과학대학 미생물학과) ;
  • 송재철 (울산대학교 자연과학대학 식품영양학과)
  • 발행 : 1993.04.01
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초록

The optimal conditions for the production and regeneration of L. helveticus protoplasts were examined. The protoplast formation of L. helveticus was most efficient obtained when the cells grown to mid and late logarithmic phase in MRS medium were used. The maximum number of protoplasts was obtained when lysozyme and mutanolysin were used to lysis the cell wall in 20mM HEPES buffer (pH 7.0) containing 1M sucrose. Regeneration was accomplished with a complex medium containing 10% sucrose, 10mM MaCl2, 20mM CaCl2, 5% gelatin and 0.5% bovine serum albumin. The regeneration frequency of the protoplasts was 10-20% after 5 days of incubation at 30C.

키워드

참고문헌

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