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APMIS. 1992 Oct;100(10):954-6.

beta-lactamases in Shigella.

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Department of Hospital Infections and Antibiotics, Statens Seruminstitut, Copenhagen, Denmark.


The occurrence of resistance and production of beta-lactamases was investigated in 60 Shigella strains. Ampicillin resistance was found in 28 (47%) of the isolates, the resistance being more frequent in Sh. flexneri than in Sh. sonnei. All strains were susceptible to cefotaxime, mecillinam, and ciprofloxacin. The beta-lactamases produced by Shigella were similar to TEM-1, OXA-1, or the low-level chromosomally mediated cephalosporinase produced by Escherichia coli. The beta-lactamases produced by Sh. flexneri were most often the OXA-1-like enzymes.

[Indexed for MEDLINE]

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