ArticleJournal of global antimicrobial resistance2017
A 10-year surveillance of antimicrobial susceptibility patterns in Shigella sonnei isolates circulating in Jiangsu Province, China.
Article in Journal of global antimicrobial resistance, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Prevalence of Multidrug-Resistant and Extended-Spectrum Beta-Lactamase-ProducingAntibiotics (Basel, Switzerland) · 2022Review
- Antimicrobial Resistance Dynamics in ChileanFrontiers in microbiology · 2021Article
- Increasing clinical resistance rate ofAnnals of translational medicine · 2018Article
- Dominant serotype distribution and antimicrobial resistance profile of Shigella spp. in Xinjiang, China.PloS one · 2018Article
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Authors and funding
8 authors.
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Abstract
objectivesThe rapid emergence of drug-resistant Shigella sonnei is a serious public health problem. This study aimed to characterise the antimicrobial resistance patterns, molecular subtypes, and integron types and resistance gene cassettes in S. sonnei from Jiangsu Province, China.
methodsIn total, 340 S. sonnei were collected in 2002-2011 throughout Jiangsu Province. Antimicrobial susceptibility testing, pulsed-field gel electrophoresis (PFGE), PCR amplification of integrons, restriction fragment length polymorphism (RFLP) and DNA sequencing of cassette regions were performed.
resultsResistance rates to ampicillin (67.7%), nalidixic acid (75.2%), tetracycline (73.7%) and trimethoprim/sulfamethoxazole (68.7%) remained high. Strains from Centre and South Jiangsu showed higher resistance and multiresistance rates compared with the North. PFGE analysis indicated that large-scale clonal transmission among different cities occurred several times during 10 years. Among all strains, 55.9% (190/340) harboured class 1 integrons, 80.3% (273/340) harboured class 2 integrons and 49.4% (168/340) harboured an atypical class 1 integron. Resistance rates to nine antimicrobials in the class 1 integron-positive group were significantly higher than in the negative group (P<0.05). Seven different gene cassettes were detected in class 1 integrons. The most prevalent type was aacA4-cmlA1 (114/286). Class 2 integrons carried the gene cassette array dfrA1-sat1-aadA1, and the atypical class 1 integron carried bla
conclusionsThe increasing antimicrobial resistance and significant clonal transmission of S. sonnei circulating in Jiangsu were closely related to the high prevalence of integrons and gene cassettes. Long-term cross-regional monitoring of antimicrobial resistance is urgently required for S. sonnei.
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