Pyrazinamide-Monoresistant Mycobacterium tuberculosis in the United States
نویسندگان
چکیده
منابع مشابه
Pyrazinamide-monoresistant Mycobacterium tuberculosis in the United States.
Mycobacterium bovis is naturally resistant to the antituberculosis drug pyrazinamide (PZA). To determine whether all Mycobacterium tuberculosis complex isolates demonstrating PZA monoresistance were truly M. bovis, we examined the phenotype and genotype of isolates reported as PZA monoresistant in five counties in California from January 1996 through June 1999. Isolates reported by local labora...
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BACKGROUND Pyrazinamide (PZA) is essential in tuberculosis treatment. We describe the prevalence, trends, and predictors of PZA resistance in Mycobacterium tuberculosis complex (MTBC) in the United States. METHODS We analyzed culture-positive MTBC cases with reported drug susceptibility tests for PZA in 38 jurisdictions routinely testing for PZA susceptibility from 1999 to 2009. National Tube...
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The nucleotide sequences of the pncA genes within 55 multidrug-resistant pyrazinamide-resistant Mycobacterium tuberculosis clinical isolates were determined. Fifty-three out of the 55 isolates were pyrazinamidase (PZase) negative. Four strains contained a wild-type pncA gene, and PZase activity was undetectable in two of these strains. Seven of the 18 identified pncA mutations found have not be...
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ژورنال
عنوان ژورنال: Journal of Clinical Microbiology
سال: 2001
ISSN: 0095-1137,1098-660X
DOI: 10.1128/jcm.39.2.647-650.2001