Abstract:Genetic studies of Ochrobactrum anthropi, a bacterial species important in bioremediation and biopesticide degradation, are hindered by the lack of suitably regulated gene expression system. A tightly regulated gene-expression system was developed for O. anthropi using the lacI(q) gene and a re-engineered coliphage T5 promoter containing completely symmetrical DNA segment that binds more efficiently to the lactose repressor. The beta-galactosidase activity was increased 57-fold when the expression of the re-en… Show more
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