Cloning and sequence analysis of blaBIL-1, a plasmid-mediated class C beta-lactamase gene in Escherichia coli BS.

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RESUMO

The extended-spectrum, plasmid-borne beta-lactamase gene blaBIL-1, which was discovered in Escherichia coli, has been cloned. Unusually for a plasmid-borne beta-lactamase, blaBIL-1 encodes a novel class C enzyme and appears to have originated from the chromosomal ampC gene of Citrobacter freundii.

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