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A Study on the Breeding of High Insecticidal Antibiotics Strain

Ling Cheng-ji

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Abstract

After testing the resistance of streptomycin to GX-29,the spores treated with UV light and microwave were regenerated on agar plants containing 18.2μg/ml streptomycin.A number of streptomycin resistant(str) mutants were obtained.Then we acquired a high antibiotic-producing strain L8 through rescreening by batch fermentation.The activity of the mutant L8 increased by 1.94 times over the original strain.The high productivity could be inherited after several subcultures.

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What this paper is about

After testing the resistance of streptomycin to GX-29,the spores treated with UV light and microwave were regenerated on agar plants containing 18.2μg/ml streptomycin.A number of streptomycin resistant(str) mutants were obtained.Then we acquired a high antibiotic-producing strain L8 through rescreening by batch fermentation.The activity of the mutant L8 increased by 1.94 times over the original strain.The high productivity could be inherited after several subcultures.

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Available abstract

After testing the resistance of streptomycin to GX-29,the spores treated with UV light and microwave were regenerated on agar plants containing 18.2μg/ml streptomycin.A number of streptomycin resistant(str) mutants were obtained.Then we acquired a high antibiotic-producing strain L8 through rescreening by batch fermentation.The activity of the mutant L8 increased by 1.94 times over the original strain.The high productivity could be inherited after several subcultures.

Key concepts: Streptomycin, Strain (injury), Spore, Agar, Biology, Mutant, Antibiotics, Microbiology

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