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Clavulanic acid production by the MMS 150 mutant obtained from wild type Streptomyces clavuligerus ATCC 27064 BJM
Vasconcelos,Eliton da Silva; Lima,Vanderlei Aparecido de; Goto,Leandro Seiji; Cruz-Hernández,Isara Lourdes; Hokka,Carlos Osamu.
Clavulanic acid (CA) is a powerful inhibitor of the beta-lactamases, enzymes produced by bacteria resistants to penicillin and cefalosporin. This molecule is produced industrially by strains of Streptomyces clavuligerus in complex media which carbon and nitrogen resources are supplied by inexpensive compounds still providing high productivity. The genetic production improvement using physical and chemical mutagenic agents is an important strategy in programs of industrial production development of bioactive metabolites. However, parental strains are susceptible to loss of their original productivity due genetic instability phenomenona. In this work, some S. clavuligerus mutant strains obtained by treatment with UV light and with MMS are compared with the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Clavulanic acid; Streptomyces clavuligerus; Mutation; Lipase.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822013000400005
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