Browse AMR Mutations
Explore antimicrobial resistance mutations from the literature
Explore antimicrobial resistance mutations from the literature
Overview
Activities of clinafloxacin, gatifloxacin, gemifloxacin, and trovafloxacin against recent clinical isolates of levofloxacin-resistant Streptococcus pneumoniae.
Genetic relatedness of levofloxacin-nonsusceptible Streptococcus pneumoniae isolates from North America.
Antimicrobial susceptibility breakpoints and first-step parC mutations in Streptococcus pneumoniae: redefining fluoroquinolone resistance.
Activities of garenoxacin against quinolone-resistant Streptococcus pneumoniae strains in vitro and in a mouse pneumonia model.
Mutation in parC leads to quinolone resistance
Mutant prevention concentrations for single-step fluoroquinolone-resistant mutants of wild-type, efflux-positive, or ParC or GyrA mutation-containing Streptococcus pneumoniae isolates.
Horizontal transfer of fluoroquinolone resistance genes in Streptococcus pneumoniae
Mutations in parC are associated with fluoroquinolone resistance.
In vitro activity of DC-159a, a new broad-spectrum fluoroquinolone, compared with that of other agents against drug-susceptible and -resistant pneumococci.
Mutation detected in quinolone-resistant strains
Comparative study of the mutant prevention concentrations of moxifloxacin, levofloxacin, and gemifloxacin against pneumococci.
mutations in quinolone resistance-determining region associated with resistance to fluoroquinolones
Rapid pneumococcal evolution in response to clinical interventions.
Clonal spread of levofloxacin-resistant streptococcus pneumoniae invasive isolates in Madrid, Spain, 2007 to 2009.
Present in all isolates
Characterization of recombinant fluoroquinolone-resistant pneumococcus-like isolates.
Mutation in parC gene associated with fluoroquinolone resistance.
Antimicrobial Activity of Zabofloxacin against Clinically Isolated Streptococcus pneumoniae.
Successful Transition to Whole-Genome Sequencing and Bioinformatics to Identify Invasive Streptococcus spp. Drug Resistance, Alaska, USA.
In vitro development of resistance to five quinolones and amoxicillin-clavulanate in Streptococcus pneumoniae.
Mechanism of fluoroquinolone resistance is an important factor in determining the antimicrobial effect of gemifloxacin against Streptococcus pneumoniae in an in vitro pharmacokinetic model.
Levofloxacin-resistant invasive Streptococcus pneumoniae in the United States: evidence for clonal spread and the impact of conjugate pneumococcal vaccine.
Molecular characterization of increasing fluoroquinolone resistance in Streptococcus pneumoniae isolates in Canada, 1997 to 2005.
Fluoroquinolone Resistance in Streptococcus dysgalactiae subsp. equisimilis and Evidence for a Shared Global Gene Pool with Streptococcus pyogenes.
Population and Whole Genome Sequence Based Characterization of Invasive Group A Streptococci Recovered in the United States during 2015.
High Prevalence of Macrolide-resistance and Molecular Characterization of Streptococcus pyogenes Isolates Circulating in China from 2009 to 2016.
Predominance of III/ST19 and Ib/ST10 Lineages With High Multidrug Resistance in Fluoroquinolone-Resistant Group B Streptococci Isolates in Which a New Integrative and Conjugative Element Was Identified.
Molecular Basis of Antimicrobial Resistance in Group B Streptococcus Clinical Isolates from Saudi Arabia.
Genomic Diversity, Virulome, and Resistome of Streptococcus agalactiae in Northeastern Brazil: Are Multi-Host Adapted Strains Rising?
Structural basis of topoisomerase targeting by delafloxacin.
Mutation at ParC S79 is associated with fluoroquinolone resistance.
Genetic analyses of mutations contributing to fluoroquinolone resistance in clinical isolates of Streptococcus pneumoniae.
In vitro activities of novel nonfluorinated quinolones PGE 9262932 and PGE 9509924 against clinical isolates of Staphylococcus aureus and Streptococcus pneumoniae with defined mutations in DNA gyrase and topoisomerase IV.
Mutations in parC are associated with quinolone resistance.
Prevalence and molecular analysis of macrolide and fluoroquinolone resistance among isolates of Streptococcus pneumoniae collected during the 2000-2001 PROTEKT US Study.
Fluoroquinolone and other antimicrobial resistance in invasive pneumococci, Hong Kong, 1995-2001.
Mutations in parC contribute to fluoroquinolone resistance.
Fluoroquinolone resistance in penicillin-resistant Streptococcus pneumoniae clones, Spain.
Ciprofloxacin Dimers Target Gyrase in Streptococcus pneumoniae.
Mutation in parC confers resistance to ciprofloxacin.
Relative fitness of fluoroquinolone-resistant Streptococcus pneumoniae.
Fitness costs of fluoroquinolone resistance in Streptococcus pneumoniae.
Fitness of Streptococcus pneumoniae fluoroquinolone-resistant strains with topoisomerase IV recombinant genes.
Mutations in parC contribute to fluoroquinolone resistance in Streptococcus pneumoniae.
Nonoptimal DNA topoisomerases allow maintenance of supercoiling levels and improve fitness of Streptococcus pneumoniae.
The wild-type parC gene does not confer resistance on its own, but mutations in it contribute to fluoroquinolone resistance.
Pneumococci can persistently colonize adult patients with chronic respiratory disease.
Molecular Characteristics of Group B Streptococci Isolated from Adults with Invasive Infections in Japan.
Amino acid substitutions in parC confer quinolone resistance.
Novel Levofloxacin-Resistant Multidrug-Resistant Streptococcus pneumoniae Serotype 11A Isolates, South Korea.
Emergence of Invasive Serotype Ib Sequence Type 10 Group B Streptococcus Disease in Chinese Infants Is Driven by a Tetracycline-Sensitive Clone.
Whole genome sequence based capsular typing and antimicrobial resistance prediction of Group B streptococcal isolates from colonized pregnant women in Nigeria.
Predomination of hypervirulent ST283 and genetic diversity of levofloxacin resistance in multidrug-resistant, hypervirulent Streptococcus agalactiae in Thailand.
Molecular characterization of fluoroquinolone resistance in invasive clinical isolates of Streptococcus pneumoniae susceptible to delafloxacin.
Mutations in parC are associated with fluoroquinolone resistance
Genetic Determinants and Clonal Composition of Levofloxacin-Resistant Streptococcus agalactiae Isolates from Bulgaria.
Fluoroquinolone-resistant pneumococci: dynamics of serotypes and clones in Spain in 2012 compared with those from 2002 and 2006.
Spread of Streptococcus pneumoniae serotype 8-ST63 multidrug-resistant recombinant Clone, Spain.
Reactive Oxygen Species Contribute to the Bactericidal Effects of the Fluoroquinolone Moxifloxacin in Streptococcus pneumoniae.
Mutation in parC (S79F) was identified in strain T1, which shows increased resistance to moxifloxacin.
Invasive Streptococcus suis isolated in Spain contain a highly promiscuous and dynamic resistome.
associated with fluoroquinolone resistance
Genomic insights into the diversity, virulence, and antimicrobial resistance of group B Streptococcus clinical isolates from Saudi Arabia.
Sparfloxacin resistance in clinical isolates of Streptococcus pneumoniae: involvement of multiple mutations in gyrA and parC genes.
Fluoroquinolone resistance mutations in the parC, parE, and gyrA genes of clinical isolates of viridans group streptococci.
Mutations in parC were able to transform Streptococcus pneumoniae to ciprofloxacin resistance
Genetic diversity and antimicrobial resistance in Streptococcus agalactiae strains recovered from female carriers in the Bucharest area.
How Streptococcus suis escapes antibiotic treatments.
Molecular characteristics and antibiotic resistance mechanisms of clindamycin-resistant Streptococcus agalactiae isolates in China.
Serotype replacement and an increase in non-encapsulated isolates among community-acquired infections of Streptococcus pneumoniae during post-vaccine era in Japan.
Sustained increase of paediatric invasive Streptococcus pyogenes infections dominated by M1(UK) and diverse emm12 isolates, Portugal, September 2022 to May 2023.
Molecular Analysis of Rising Fluoroquinolone Resistance in Belgian Non-Invasive Streptococcus pneumoniae Isolates (1995-2014).
Identification and Characterization of Fluoroquinolone Non-susceptible Streptococcus pyogenes Clones Harboring Tetracycline and Macrolide Resistance in Shanghai, China.
Repetitive cellulitis caused by Streptococcus agalactiae isolates with different genotypic and phenotypic features in a patient having upper extremity with lymphedema after mastectomy and axillary lymph node dissection.
Allele-specific collateral and fitness effects determine the dynamics of fluoroquinolone resistance evolution.
Mutations in parC contribute to fluoroquinolone resistance in S. pneumoniae.
Molecular characterization and antimicrobial resistance of Streptococcus agalactiae isolated from pregnant women in Japan, 2017-2021.
Contribution of mutations in gyrA and parC genes to fluoroquinolone resistance of mutants of Streptococcus pneumoniae obtained in vivo and in vitro.
parC
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