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Characterization and generation of Escherichia coli adenylate cyclase deletion mutants
1Laboratory of Biochemical Genetics, National Heart, Lung, and Blood Institute, Bethesda, Maryland 20892.
Journal of Bacteriology
|May 1, 1991
Abstract:
Escherichia coli delta cya-283 is a 75-bp in-frame deletion overlapping the 5' end of delta cya-854; delta cya-201 is a 41-bp frameshift deletion overlapping the 3' end of delta cya-854. Sequence repeats were found at the boundaries of delta cya-283 and delta cya-201, suggesting a mechanism for deletion formation. Recombinant DNA procedures were used to construct a strain in which the total cya structural gene in the chromosome was replaced by the kanamycin resistance gene.