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

Jiangqing Huang; Fangjun Lan; Yanfang Lu; Bin Li

doi:10.1155/2020/3826186

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

Can J Infect Dis Med Microbiol. 2020 Feb 24:2020:3826186. doi: 10.1155/2020/3826186. eCollection 2020.

Authors

Jiangqing Huang¹, Fangjun Lan¹, Yanfang Lu¹, Bin Li¹

Affiliation

¹ Department of Clinical Laboratory, Fujian Medical University Union Hospital, Fuzhou, Fujian 350001, China.

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.