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Chromosome-encoded Ambler class A beta-lactamase of Kluyvera georgiana, a probable progenitor of a subgroup of CTX-M extended-spectrum beta-lactamases.


ABSTRACT: A chromosome-encoded beta-lactamase gene, cloned and expressed in Escherichia coli from Kluyvera georgiana reference strain CUETM 4246-74 (DSM 9408), encoded the extended-spectrum beta-lactamase KLUG-1, which shared 99% amino acid identity with the plasmid-mediated beta-lactamase CTX-M-8. This work provides further evidence that Kluyvera spp. may be the progenitor(s) of CTX-M-type beta-lactamases.

SUBMITTER: Poirel L 

PROVIDER: S-EPMC132763 | biostudies-literature | 2002 Dec

REPOSITORIES: biostudies-literature

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Chromosome-encoded Ambler class A beta-lactamase of Kluyvera georgiana, a probable progenitor of a subgroup of CTX-M extended-spectrum beta-lactamases.

Poirel Laurent L   Kämpfer Peter P   Nordmann Patrice P  

Antimicrobial agents and chemotherapy 20021201 12


A chromosome-encoded beta-lactamase gene, cloned and expressed in Escherichia coli from Kluyvera georgiana reference strain CUETM 4246-74 (DSM 9408), encoded the extended-spectrum beta-lactamase KLUG-1, which shared 99% amino acid identity with the plasmid-mediated beta-lactamase CTX-M-8. This work provides further evidence that Kluyvera spp. may be the progenitor(s) of CTX-M-type beta-lactamases. ...[more]

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