Plasmid Replicon Diversity of Clinical Uropathogenic Escherichia coli Isolates from Riyadh, Saudi Arabia

被引:2
作者
Alangari, Abdulaziz [1 ]
Abu Jaffal, Ahmad [2 ]
Almutairi, Naif [1 ]
Alyousef, Abdullah A. [1 ]
机构
[1] King Saud Univ, Coll Appl Med Sci, Dept Clin Lab Sci, POB 10219, Riyadh 11433, Saudi Arabia
[2] King Saud Bin Abdulaziz Univ Hlth Sci, Dept Clin Lab Sci, Riyadh, Saudi Arabia
关键词
Plasmid; replicon typing; E; coli; ESBL; ST131; H30; BETA-LACTAMASES; CTX-M; RESISTANCE; EMERGENCE; GENES; ST131; ENTEROBACTERIACEAE; BLA(CTX-M-14); EPIDEMIOLOGY; SALMONELLA;
D O I
10.22207/JPAM.16.1.51
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
The aim of this study was to identify and compare the plasmid replicons of clinical uropathogenic Escherichia coli (UPEC) isolates, involving extended spectrum beta-lactamase (ESBL)-positive and ESBL-negative, E. coli ST131 and non-ST131 and various ST131 subclones. Plasmid replicon typing on 24 clinical UPEC isolates was carried out using polymerase chain reaction-based replicon typing. A statistical analysis was performed to assess the associations between plasmid replicon types and ESBL carriage, and to evaluate the link between ST131 isolates and high replicon carriage. Eight replicons, I1 alpha, N2, I gamma, X1, FIIS, K, FIA, and FII were detected. The FII was the most common replicon identified here. ESBL-positive E. coli isolates were highly associated with I1 alpha, N2, I gamma, X1, and FIIS replicons, while FIA was present only in ESBL-negative group. ST131 isolates were highly associated with I1 alpha and N2 replicons compared to non-ST131. No link was found between replicon carriage and the number or type of ESBLs in E. coli isolates. The diversity observed in replicon patterns of our clinical E. coli isolates indicates that they might be originated from different sources. The presence of replicons reported previously in animal sources suggests a possible transfer of antimicrobial resistance between animal and human bacterial isolates.
引用
收藏
页码:540 / 548
页数:9
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