We report Salmonella enterica serotype Typhi strains with a nonclassical quinolone resistance phenotype (i.e., decreased susceptibility to ciprofloxacin but with susceptibility to nalidixic acid) associated with a nonsynonymous mutation at codon 464 of the gyrB gene. These strains, not detected by the nalidixic acid disk screening test, can result in fluoroquinolone treatment failure.
机构:
Inst Salud Carlos III, Ctr Nacl Microbiol, Secc Enterobacterias, Madrid 28220, SpainInst Salud Carlos III, Ctr Nacl Microbiol, Secc Enterobacterias, Madrid 28220, Spain
Echeita, MA
Usera, MA
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Inst Salud Carlos III, Ctr Nacl Microbiol, Secc Enterobacterias, Madrid 28220, SpainInst Salud Carlos III, Ctr Nacl Microbiol, Secc Enterobacterias, Madrid 28220, Spain
机构:
Atlanta Res & Educ Fdn, Decatur, GA USA
Ctr Dis Control & Prevent, Div Foodborne Waterborne & Environm Dis, Atlanta, GA 30329 USAAtlanta Res & Educ Fdn, Decatur, GA USA
O'Donnell, Allison T.
Vieira, Antonio R.
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Ctr Dis Control & Prevent, Div Foodborne Waterborne & Environm Dis, Atlanta, GA 30329 USAAtlanta Res & Educ Fdn, Decatur, GA USA
Vieira, Antonio R.
Huang, Jennifer Y.
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Ctr Dis Control & Prevent, Div Foodborne Waterborne & Environm Dis, Atlanta, GA 30329 USAAtlanta Res & Educ Fdn, Decatur, GA USA
Huang, Jennifer Y.
Whichard, Jean
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Ctr Dis Control & Prevent, Div Foodborne Waterborne & Environm Dis, Atlanta, GA 30329 USAAtlanta Res & Educ Fdn, Decatur, GA USA
Whichard, Jean
Cole, Dana
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Ctr Dis Control & Prevent, Div Foodborne Waterborne & Environm Dis, Atlanta, GA 30329 USAAtlanta Res & Educ Fdn, Decatur, GA USA
Cole, Dana
Karp, Beth E.
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Ctr Dis Control & Prevent, Div Foodborne Waterborne & Environm Dis, Atlanta, GA 30329 USAAtlanta Res & Educ Fdn, Decatur, GA USA