Genetic diversity in clinical isolates of Escherichia coli by enterobacterial repetitive intergenic consensus (ERIC)-PCR technique in Sanandaj hospitals
The Escherichia coli strains are greatly important in nosocomial and community acquired infections. The aim of this study was to determine the transmission of bacterial infections using genetic analysis. Two hundred and thirty Escherichia coli strains, isolated from different clinical samples, were...
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| Published in: | Iranian journal of microbiology Vol. 5; no. 2; pp. 126 - 131 |
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| Format: | Journal Article |
| Language: | English |
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Tehran University of Medical Sciences
01-06-2013
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| Abstract | The Escherichia coli strains are greatly important in nosocomial and community acquired infections. The aim of this study was to determine the transmission of bacterial infections using genetic analysis.
Two hundred and thirty Escherichia coli strains, isolated from different clinical samples, were characterized by enterobacterial repetitive intergenic consensus (ERIC)-PCR technique. The results and the similarity between the strains were determined on the basis of Jaccard similarity coefficient in the SAHN program of the NTSYS-pc software.
The ERIC-PCR profiles allowed typing of the 230 isolates into 205 ERIC-types which were grouped into twenty main clusters (C01-C20).The first group makes up 4.34% of the total isolates. Out of the 230 isolates, 34.2% belonged to D phylogenic group which were associated with extra-intestinal samples.
Our results showed high diversity in E. coli isolates indicating low rate of hospital infection in our university hospitals. The majority of the isolates belonged to the D phylogenic group. |
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| AbstractList | Background and Objectives: The Escherichia coli strains are greatly important in nosocomial and community acquired infections. The aim of this study was to determine the transmission of bacterial infections using genetic analysis. Materials and Methods: Two hundred and thirty Escherichia coli strains, isolated from different clinical samples, were characterized by enterobacterial repetitive intergenic consensus (ERIC)–PCR technique. The results and the similarity between the strains were determined on the basis of Jaccard similarity coefficient in the SAHN program of the NTSYS-pc software. Results: The ERIC–PCR profiles allowed typing of the 230 isolates into 205 ERIC-types which were grouped into twenty main clusters (C01–C20).The first group makes up 4.34% of the total isolates. Out of the 230 isolates, 34.2% belonged to D phylogenic group which were associated with extra-intestinal samples. Conclusion: Our results showed high diversity in E. coli isolates indicating low rate of hospital infection in our university hospitals. The majority of the isolates belonged to the D phylogenic group. BACKGROUND AND OBJECTIVESThe Escherichia coli strains are greatly important in nosocomial and community acquired infections. The aim of this study was to determine the transmission of bacterial infections using genetic analysis. MATERIALS AND METHODSTwo hundred and thirty Escherichia coli strains, isolated from different clinical samples, were characterized by enterobacterial repetitive intergenic consensus (ERIC)-PCR technique. The results and the similarity between the strains were determined on the basis of Jaccard similarity coefficient in the SAHN program of the NTSYS-pc software. RESULTSThe ERIC-PCR profiles allowed typing of the 230 isolates into 205 ERIC-types which were grouped into twenty main clusters (C01-C20).The first group makes up 4.34% of the total isolates. Out of the 230 isolates, 34.2% belonged to D phylogenic group which were associated with extra-intestinal samples. CONCLUSIONOur results showed high diversity in E. coli isolates indicating low rate of hospital infection in our university hospitals. The majority of the isolates belonged to the D phylogenic group. The Escherichia coli strains are greatly important in nosocomial and community acquired infections. The aim of this study was to determine the transmission of bacterial infections using genetic analysis. Two hundred and thirty Escherichia coli strains, isolated from different clinical samples, were characterized by enterobacterial repetitive intergenic consensus (ERIC)-PCR technique. The results and the similarity between the strains were determined on the basis of Jaccard similarity coefficient in the SAHN program of the NTSYS-pc software. The ERIC-PCR profiles allowed typing of the 230 isolates into 205 ERIC-types which were grouped into twenty main clusters (C01-C20).The first group makes up 4.34% of the total isolates. Out of the 230 isolates, 34.2% belonged to D phylogenic group which were associated with extra-intestinal samples. Our results showed high diversity in E. coli isolates indicating low rate of hospital infection in our university hospitals. The majority of the isolates belonged to the D phylogenic group. |
| Author | Zamani, Serveh Zamani, Saman Ramazanzadeh, Rashid |
| AuthorAffiliation | 1 Cellular & Molecular Research Center and Microbiology Department, Faculty of Medicine, Kurdistan University of Medical Sciences, Sanandaj, Iran 2 Student Research Committee of Medicine, Kurdistan University of Medical Sciences, Sanandaj, Iran |
| AuthorAffiliation_xml | – name: 1 Cellular & Molecular Research Center and Microbiology Department, Faculty of Medicine, Kurdistan University of Medical Sciences, Sanandaj, Iran – name: 2 Student Research Committee of Medicine, Kurdistan University of Medical Sciences, Sanandaj, Iran |
| Author_xml | – sequence: 1 givenname: Rashid surname: Ramazanzadeh fullname: Ramazanzadeh, Rashid organization: Cellular & Molecular Research Center and Microbiology Department, Faculty of Medicine, Kurdistan University of Medical Sciences, Sanandaj, Iran – sequence: 2 givenname: Serveh surname: Zamani fullname: Zamani, Serveh – sequence: 3 givenname: Saman surname: Zamani fullname: Zamani, Saman |
| BackLink | https://www.ncbi.nlm.nih.gov/pubmed/23825729$$D View this record in MEDLINE/PubMed |
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| Keywords | genetic diversity ERIC–PCR fingerprinting E. coli |
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| Title | Genetic diversity in clinical isolates of Escherichia coli by enterobacterial repetitive intergenic consensus (ERIC)-PCR technique in Sanandaj hospitals |
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