E-viri
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El-Baky, Rehab Mahmoud Abd; Ibrahim, Reham Ali; Mohamed, Doaa Safwat; Ahmed, Eman Farouk; Hashem, Zeinab Shawky
Infection and drug resistance, 04/2020Journal Article
Introduction: Escherichia (E.) coli can cause intestinal and extra-intestinal infections which ranged from mild to life-threatening infections. The severity of infection is a product of many factors including virulence properties and antimicrobial resistance. Objectives: To determine the antibiotic resistance pattern, the distribution of virulence factors and their association with one another and with some selected resistance genes. Methods: Virulence properties were analyzed phenotypically while antimicrobial susceptibility was tested by Kirby-Bauer agar disc diffusion method. In addition, 64 E. coli isolates were tested for 6 colicin genes, fimH, hlyA, traT, csgA, crl virulence genes and bla.sub.-CTX-M-15, bla.sub.-oxa-2, and bla.sub.-oxa-10 resistance genes by polymerase chain reaction (PCR). Results: Extra-intestinal pathogenic E. coli isolated from urine and blood samples represented a battery of virulence factors and resistance genes with a great ability to produce biofilm. Also, a significant association (P<0.05) among most of the tested colicin, virulence and resistance genes was observed. The observed associations indicate the importance and contribution of the tested factors in the establishment and the progress of infection especially with Extra-intestinal E. coli (ExPEC) which is considered a great challenging health problem. Conclusion: There is a need for studying how to control these factors to decrease the rate and the severity of infections. The relationship between virulence factors and resistance genes is complex and needs more studies that should be specific for each area. Keywords: E. coli, virulence, resistance, colicin genes, ESBL, bla.sub.-CTX-M-15, bla.sub.-oxa-2, bla.sub.-oxa-10
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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in: SICRIS
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