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KMID : 0043319930160040300
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Archives of Pharmacal Research
1993 Volume.16 No. 4 p.300 ~ p.304
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Genetic Transformation of Streptomyces caespitosus
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Yoo Jin-Cheol
Sim Jung-Bo
Kim Sung-Jin
Kim Si-Wouk
Lee Jung-Joon
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Abstract
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Genetic transformation of streptomyces gaespitosus by plasmid plJ 702 was camied out. Optimal conditions for the protoplast preparation of streptomyces casepitosus, its regeneration, and its transformation by plJ 702 were evaluated. Addition of 2% glycine to the culture broth was optimal for protoplast yield. Formation and regeneration of protoplasts were most efficient when the mycelium were harvested at between late log and stationary growth phase. The regeneration frequency of the protoplasts was 15% when the protoplats were regenerated on R2YE agar media containing 0.5M sucrose. Under the best condition for protoplats (M.W. 4,000) treatment for 2 minutes.
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KEYWORD
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Streptomyces caespitosus, protoplast, Regeneration, Transformation
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