Title : Escherichia coli chromosomal mutations that permit direct cloning of the Bacteroides fragilis metallo-beta-lactamase gene, ccrA.

Pub. Date : 1991 May

PMID : 1956298






1 Functional Relationships(s)
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1 The class B, metallo-beta-lactamase genes ccrA (carbapenem- and cephamycin resistance) from three Bacteroides fragilis isolates--QMCN3, QMCN4, and TAL3636--were cloned and expressed in Escherichia coli. Carbapenems beta-lactamase Escherichia coli