Ap. Fosberry et al., CLONING AND SEQUENCE-ANALYSIS OF BLA(BIL-1), A PLASMID-MEDIATED CLASS-C BETA-LACTAMASE GENE IN ESCHERICHIA-COLI BS, Antimicrobial agents and chemotherapy, 38(5), 1994, pp. 1182-1185
The extended-spectrum, plasmid-borne beta-lactamase gene bla(BIL-1), w
hich was discovered in Escherichia coli, has been cloned. Unusually fo
r a plasmid-borne beta-lactamase, bla(BIL-1) encodes a novel class C e
nzyme and appears to have originated from the chromosomal ampC gene of
Citrobacter freundii.