PENICILLIN PRODUCTION BY MUTANT OF Penicillium chrysogenum
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Abstract
Penicillin is the first antibiotic discovered and used for treatment of bacterial infections. Since the discovery of penicillin as antibiotic by Alexander Fleming in 1928, much effort has been invested to improve productivity of Penicillium chrysogenum. Strain improvement to increase the penicillin production can be carried out by physical and chemical random mutation. In this research, ultraviolet irradiation was used to obtain P. chrysogenum mutant. Penicillin production was determined by using HPLC and productivity of P. chrysogenum mutants was compared to the wild type. Mutant M12 produced 1.23 fold higher penicillin than the wild type did.
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