ISSN 2415-1297 (Online)   ISSN 2415-1300 (Print)
 
             
 
Volume : 27 Issue : 1 Year : 2019
 
Genetic Site Determination of Antibiotic Resistance Genes in Escherichia Coli Isolated from Different Sources of Human Infection [Med J Islamic World Acad Sci]
Med J Islamic World Acad Sci. 2013; 21(2): 61-68

Genetic Site Determination of Antibiotic Resistance Genes in Escherichia Coli Isolated from Different Sources of Human Infection

Hro F.S. Akrayi, Adel K. Khider
Department of Biology, College of Education/Scientific Departments, University of Salahaddin, Erbil-Iraq

This study includes isolation of Escherichia coli from different sources of human infections (urine, stool, burns, wounds, and cerebrospinal fluid). In addition to these, a few samples were taken from sewage water. Eighty-three isolates of E. coli were obtained from 264 samples. According to the resistance to antibiotics, isolates were classified into 41 groups. The isolates varied in their resistance to tested antimicrobials. Isolate E48 was resistant to all antimicrobials under study, while isolate E37 was resistant only to three antimicrobials. All isolates showed resistance of 97.59% to Chm and less sensitivity to Amk (2.40%). The transformation was conducted successfully by plasmid DNA of isolate E48 and failed by plasmid isolate E38. The results cleared that the genes responsible for resistance to Amk, Chm, Cln, Dox, Kan, Lin, Pac, Tet, Tob, and Tri were located on the plasmid DNA, while the genes responsible for resistance to Cef, Cph, Cip, Gen, Gul, Nal, Nit, Pip, and Rif were located on the chromosome. It appeared from the electrophoresis run DNA samples on gel that E. coli K12JM83 strain obtained two plasmids through the transformation process.

Keywords: Escherichia coli, Antibiotic Resistance, Transformation, Gel Electophoresis.


Hro F.S. Akrayi, Adel K. Khider. Genetic Site Determination of Antibiotic Resistance Genes in Escherichia Coli Isolated from Different Sources of Human Infection. Med J Islamic World Acad Sci. 2013; 21(2): 61-68

Corresponding Author: Hro F.S. Akrayi, Iraq


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