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J Antimicrob Chemother. 1994 Mar;33(3):443-52.

Effect of antibiotics on non-growing planktonic cells and biofilms of Escherichia coli.

Author information

1
SmithKline Beecham Pharmaceuticals, Chemotherapeutic Research Centre, Betchworth, Surrey, UK.

Abstract

Several classes of antibiotics were assessed for activity against non-growing Escherichia coli and cells grown as a biofilm. Antibiotics which had activity against non-growing cells also showed some activity against biofilms. Cephamycins were more active than other cephalosporins, but the most effective antibiotics were imipenem and ciprofloxacin, which were also active against steady state biofilms. However, none of the antibiotics studied was capable of completely eradicating a biofilm. These results suggest that growth rate plays a role in mediating resistance of biofilms to antibiotics.

PMID:
8040110
DOI:
10.1093/jac/33.3.443
[Indexed for MEDLINE]

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