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논문 기본 정보

자료유형
학술저널
저자정보
Kim, Chae-Kyun (Department of Microbial Chemistry, College of Pharmacy Seoul National Unversity) Kim, Byong-Kak (Department of Microbial Chemistry, College of Pharmacy Seoul National Unversity)
저널정보
대한약학회 Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea 제20권 제3호
발행연도
1997.1
수록면
206 - 211 (6page)

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The optimal conditions for the production and regeneration of the protoplasts from Lentinula edodes were studied. Protoplast formation from the mycelia of L. edodes which were cultured in liquid medium showed a significantly high yield compared with that of the mycelia which were cultured on cellophane covered agar media. A mixture of Novozyme 234 (15 mg/ml) and Cellulase Onozuka R10 (10 mg/ml) in 0.6 M mannitol (pH 4) was optimal lytic enzyme for the protoplast release. The optimal incubation time and mycelia age were 3.5-4 hours at $30^{\circ}C$ and 6-8 days, respectively. Regeneration frequency was 0.18% plated onto a medium containing 0.6 M sucrose, and 0.08% plated onto a medium containing mannitol. But hardly any regeneration was observed in the media containing NaCl, KCl, or $MgSO_{4}$ More than 90% of the protoplasts contained nuclei and the nucleus number per protoplast was 1.1. The DNA content per nucleus was 5.1 pg. The diameter of the protoplast was $3-5{\mu}m$ and it had a well defined cell structure.

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