WebMAMA-PCR primers for gyrA (a) and parC (b) mutation detection. Red highlighted nucleotides are the mismatched nucleotides at the 3′ end of each MAMA primer. Mismatches were positioned at the conserved nucleotides of each codon (highlighted by yellow) located at the 3rd nucleotide from the 3′ end of each primer, except for parC80 … WebSep 1, 1997 · Abstract. We determined partial sequences of the gyrA and parC genes of Citrobacter freundii type strain, and then examined 38 C. freundii clinical strains isolated from patients with urinary tract infections for the association of alterations in GyrA and ParC with susceptibility to fluoroquinolones. Our results suggest that in C. freundii DNA gyrase …
Phylogenetic diversity of Klebsiella pneumoniae Klebsiella …
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Analysis of gyrA and parC mutations in enterococci from …
WebFeb 12, 2024 · Sequencing results showed that Ser83Leu was the most common mutation in gyr A that was observed in all quinolone resistant isolates, followed by Asp87Asn. Ser80Ile mutation in par C was observed in 77.7% of the tested isolates. The prevalence of PMQR genes was 92.5% aac (6)-Ib, 51.8% qnr B, 40.7% qep A, and 37% qnr S. WebApr 1, 2003 · A correlation between the number of changes in GyrA and ParC proteins and the level of quinolone resistance in E. coli strains was observed. This is in accordance with previous observations. 4, 5, 7 None of the NAL S E. coli showed amino acid changes either in GyrA or in ParC. A single substitution in the GyrA protein was associated with a ... WebApr 13, 2024 · In this study, we identified mutations in gyrA and parC genes in fluoroquinolone-resistant E. coli isolated from dogs and cats. The most common … gas south south