Expression of Serratia marcescens extracellular proteins requires recA.

Abstract excerpt

A previously described regulatory mutation which abolishes expression of the extracellular nuclease of Serratia marcescens is shown to be a mutation of the Serratia recA gene. The defect in nuclease expression could be restored by introducing a plasmid carrying the recA gene of Escherichia coli. The DNA sequence of the Serratia gene is very similar to that of the E. coli gene. The putative LexA-binding site of...

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