1887

Abstract

The subgenes of a quinolone-resistant clinical isolate (ofloxacin MIC, 16 mg/L) and of a control, NCTC 10005 (ofloxacin MIC, 0.03 mg/L), were amplified by polymerase chain reaction (PCR) and sequenced. The resistant isolate had mutations at the codons for amino acids 83, 89 and 90. The first of these mutations led to replacement of serine-83 by tyrosine, whereas the other mutations were silent. Digestion of PCR-amplified DNA fragments with the restriction enzyme fI detected mutations at the same site in in six further quinolone resistant isolates.

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/content/journal/jmm/10.1099/00222615-48-1-73
1999-01-01
2019-11-21
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http://instance.metastore.ingenta.com/content/journal/jmm/10.1099/00222615-48-1-73
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