Authors:
Olugbenga Adekunle Olowe Department of Medical Microbiology and Parasitology, P.M.B. 4400, Ladoke Akintola University of Technology, College of Health Sciences, Osogbo, Osun State, Nigeria

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Suman Choudhary Department of Bacteriology and Food Safety, Animal Health and Veterinary Laboratories Agency, Woodham Lane, New Haw, Surrey, KT15 3NB, UK

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Peter Schierack Institut für Mikrobiologie und Tierseuchen, Freie Universität Berlin, Philippstrasse 13, 10115, Berlin, Germany

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Lothar H. Wieler Institut für Mikrobiologie und Tierseuchen, Freie Universität Berlin, Philippstrasse 13, 10115, Berlin, Germany

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Olufunmilola Bamidele Makanjuola Department of Medical Microbiology and Parasitology, University of Ibadan, Ibadan, Nigeria

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Albert B. Olayemi Department of Microbiology, Faculty of Sciences, University of Ilorin, Kwara State, Nigeria

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Muna Anjum Department of Bacteriology and Food Safety, Animal Health and Veterinary Laboratories Agency, Woodham Lane, New Haw, Surrey, KT15 3NB, UK

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Abstract

Background

Escherichia coli have become the enterobacteriaceae species most affected by extended-spectrum β-lactamases (ESBLs) in view of the emergence of CTX-M-type ESBLs. These CTX-M-positive E. coli have been reported in numerous regions worldwide. Virulence determinants of already reported CTX-M-positive E. coli were investigated.

Methodology

To gain insights into the mechanism underlying this phenomenon, we assessed serogroup, susceptibility pattern and diversity of virulence profiles within a collection of nine blaCTX-M-positive E. coli strains and their virulent determinant using miniaturized DNA microarray techniques. The nine ESBL-positive E. coli isolates were from eight male and one female patient(s) selected for study based on previous work. Virulence potential was inferred by detection of 63 virulence factor (VF) genes.

Results

Four (44.4%) of the 9 E. coli isolates exhibited the same set of core characteristics: serotype O8:Hnt, while all were positive for OXA-1, ciprofloxacin resistance. Five of the isolates exhibited highly similar (91% to 100%) VF profiles.

Conclusion

The findings describe a broadly disseminated, blaCTX-M-positive and virulent E. coli serogroup with highly homogeneous virulence genotypes, suggesting recent emergence in this zone. Understanding how this clone has emerged and successfully disseminated within the hospital and community, including across national boundaries, should be a public health priority.

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Senior editors

Editor(s)-in-Chief: Dunay, Ildiko Rita, Prof. Dr. Pharm, Dr. rer. nat., University of Magdeburg, Germany

Editor(s)-in-Chief: Heimesaat, Markus M., Prof. Dr. med., Charité - University Medicine Berlin, Germany

Editorial Board

  • Berit Bangoura, Dr. DVM. PhD,  University of Wyoming, USA
  • Stefan Bereswill, Prof. Dr. rer. nat., Charité - University Medicine Berlin, Germany
  • Dunja Bruder, Prof. Dr. rer. nat., University of Magdeburg, Germany
  • Jan Buer, Prof. Dr. med., University of Duisburg, Germany
  • Edit Buzas, Prof. Dr. med., Semmelweis University, Hungary
  • Renato Damatta, Prof. PhD, UENF, Brazil
  • Maria Deli, MD, PhD, DSc, Biological Research Center, HAS, Hungary
  • Olgica Djurković-Djaković, Prof. Phd, University of Belgrade, Serbia
  • Jean-Dennis Docquier, Prof. Dr. med., University of Siena, Italy
  • Zsuzsanna Fabry, Prof. Phd, University of Washington, USA
  • Ralf Ignatius, Prof. Dr. med., Charité - University Medicine Berlin, Germany
  • Achim Kaasch, Prof. Dr. med., Otto von Guericke University Magdeburg, Germany
  • Oliver Liesenfeld, Prof. Dr. med., Inflammatix, USA
  • Matyas Sandor, Prof. PhD, University of Wisconsin, USA
  • Ulrich Steinhoff, Prof. PhD, University of Marburg, Germany
  • Michal Toborek, Prof. PhD, University of Miami, USA
  • Susanne A. Wolf, PhD, MDC-Berlin, Germany

 

Dr. Dunay, Ildiko Rita
Magdeburg, Germany
E-mail: ildiko.dunay@med.ovgu.de

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2023  
Web of Science  
Total Cites
WoS
674
Journal Impact Factor 3.3
Rank by Impact Factor

Q2

Impact Factor
without
Journal Self Cites
3.1
5 Year
Impact Factor
3.2
Scimago  
Scimago
H-index
15
Scimago
Journal Rank
0.601
Scimago Quartile Score Microbiology (medical) (Q2)
Microbiology (Q3)
Immunology and Allergy (Q3)
Immunology (Q3)
Scopus  
Scopus
Cite Score
5.0
Scopus
CIte Score Rank
Microbiology (medical) Q2
Scopus
SNIP
0.832

 

European Journal of Microbiology and Immunology
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European Journal of Microbiology and Immunology
Language English
Size A4
Year of
Foundation
2011
Volumes
per Year
1
Issues
per Year
4
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 2062-509X (Print)
ISSN 2062-8633 (Online)

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