Materon IC, Queenan AM, Koehler TM, Bush K, Palzkill T. Biochemical characterization of beta-lactamases Bla1 and Bla2 from Bacillus anthracis.
Antimicrob Agents Chemother 2003;
47:2040-2. [PMID:
12760895 PMCID:
PMC155864 DOI:
10.1128/aac.47.6.2040-2042.2003]
[Citation(s) in RCA: 44] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
The Sterne and Ames strains of Bacillus anthracis carry chromosomal genes bla1 and bla2, which confer beta-lactam resistance when expressed in Escherichia coli. MIC measurements and steady-state kinetic analyses indicate that Bla1 possesses penicillinase activity while Bla2 possesses penicillinase, cephalosporinase, and carbapenem-hydrolyzing activities.
Collapse