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Characterization of Integrons and Antimicrobial Resistance in Escherichia coli Sequence Type 131 Isolates.

ABSTRACT: Background:Escherichia coli sequence type 131 (ST131) is an important multidrug-resistant extraintestinal pathogen, which can cause many kinds of infections. Integrons may play a crucial role in the dissemination of antibiotic resistance genes. The purpose of this study was to characterize the prevelance of integrons among E. coli ST131 strains in China. Methods:Eighty-three E. coli ST131 strains in China. E. coli ST131 strains in China. Results:Overall, 26.5% (22/83) of the E. coli ST131 strains in China. dfrA17-aadA5 and aac(6')-Ib-cr-cmlA5. Only one type of Pc promoter variant was detected among 22 integron-positive isolates (PcW). In vivo transfer of integron was successful for 9 of integron-positive E. coli ST131 strains in China. E. coli ST131 strains in China. Conclusions:Our study showed a low prevalence of integrons was detected in E. coli ST131. Continued surveillance of this mobile genetic element should be performed to study the evolution of antibiotic resistance among E. coli ST131.E. coli ST131 strains in China. E. coli ST131 strains in China.

SUBMITTER: Huang J 

PROVIDER: S-EPMC7060437 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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Characterization of Integrons and Antimicrobial Resistance in <i>Escherichia coli</i> Sequence Type 131 Isolates.

Huang Jiangqing J   Lan Fangjun F   Lu Yanfang Y   Li Bin B  

The Canadian journal of infectious diseases & medical microbiology = Journal canadien des maladies infectieuses et de la microbiologie medicale 20200224

<h4>Background</h4><i>Escherichia coli</i> sequence type 131 (ST131) is an important multidrug-resistant extraintestinal pathogen, which can cause many kinds of infections. Integrons may play a crucial role in the dissemination of antibiotic resistance genes. The purpose of this study was to characterize the prevelance of integrons among <i>E. coli</i> ST131 strains in China.<h4>Methods</h4>Eighty-three <i>E. coli</i> ST131 strains in China. <i>E. coli</i> ST131 strains in China.<h4>Results</h4>  ...[more]

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