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A Review on Virulence Factors of Escherichia Coli

Received: 12 March 2019    Accepted: 17 April 2019    Published: 10 July 2019
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Abstract

Most Escherichia coli (E. coli strains are normal commensals found in the intestinal tract of both humans and animals, while others are pathogenic to animals and humans. Pathogenic E. coli distinguished from normal flora by their possession of virulence factors. Hence, the main objective of this review is to appraise different virulence factors associated with occurrence of pathogenic E. coli infections. Some pathogenic strains cause diarrhoeal disease and are categorized into specific groups based on virulence properties, mechanisms of pathogenicity, clinical syndromes and distinct O: H serogroups. In this review, the most important virulence factors of E. coli including acid resistance, different adhesion proteins like fimbriae, fibrillae, curli and outer membrane protein A, the use of type III secretion systems by the bacteria to subvert eukaryotic signaling pathways by injecting virulence proteins into the host cell cytoplasm, the alkaline phosphatase encoded by PhoA gene in E. coli, the repeatsin toxin pore-forming toxins, oligopeptide toxin of E. coli, heat-labile enterotoxins, Vero/Shiga toxins and different pathogenicity islands which encode a variety of different virulence factors like adhesins, toxins, invasins, protein secretion systems, iron uptake systems and others were critically conferred. Thus, this review paper call for pioneering research on different virulence factors of E. coli in order to apply a well-coordinated control interventions.

Published in Animal and Veterinary Sciences (Volume 7, Issue 3)
DOI 10.11648/j.avs.20190703.13
Page(s) 83-93
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This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2024. Published by Science Publishing Group

Keywords

Acid Resistance, Adhesion Proteins, Escherichia Coli, Pathogenecity Islands, Toxins, Virulence Factor

References
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Cite This Article
  • APA Style

    Eshetu Shumi Gebisa, Minda Asfaw Gerasu, Diriba Taddese Leggese. (2019). A Review on Virulence Factors of Escherichia Coli. Animal and Veterinary Sciences, 7(3), 83-93. https://doi.org/10.11648/j.avs.20190703.13

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    ACS Style

    Eshetu Shumi Gebisa; Minda Asfaw Gerasu; Diriba Taddese Leggese. A Review on Virulence Factors of Escherichia Coli. Anim. Vet. Sci. 2019, 7(3), 83-93. doi: 10.11648/j.avs.20190703.13

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    AMA Style

    Eshetu Shumi Gebisa, Minda Asfaw Gerasu, Diriba Taddese Leggese. A Review on Virulence Factors of Escherichia Coli. Anim Vet Sci. 2019;7(3):83-93. doi: 10.11648/j.avs.20190703.13

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  • @article{10.11648/j.avs.20190703.13,
      author = {Eshetu Shumi Gebisa and Minda Asfaw Gerasu and Diriba Taddese Leggese},
      title = {A Review on Virulence Factors of Escherichia Coli},
      journal = {Animal and Veterinary Sciences},
      volume = {7},
      number = {3},
      pages = {83-93},
      doi = {10.11648/j.avs.20190703.13},
      url = {https://doi.org/10.11648/j.avs.20190703.13},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.avs.20190703.13},
      abstract = {Most Escherichia coli (E. coli strains are normal commensals found in the intestinal tract of both humans and animals, while others are pathogenic to animals and humans. Pathogenic E. coli distinguished from normal flora by their possession of virulence factors. Hence, the main objective of this review is to appraise different virulence factors associated with occurrence of pathogenic E. coli infections. Some pathogenic strains cause diarrhoeal disease and are categorized into specific groups based on virulence properties, mechanisms of pathogenicity, clinical syndromes and distinct O: H serogroups. In this review, the most important virulence factors of E. coli including acid resistance, different adhesion proteins like fimbriae, fibrillae, curli and outer membrane protein A, the use of type III secretion systems by the bacteria to subvert eukaryotic signaling pathways by injecting virulence proteins into the host cell cytoplasm, the alkaline phosphatase encoded by PhoA gene in E. coli, the repeatsin toxin pore-forming toxins, oligopeptide toxin of E. coli, heat-labile enterotoxins, Vero/Shiga toxins and different pathogenicity islands which encode a variety of different virulence factors like adhesins, toxins, invasins, protein secretion systems, iron uptake systems and others were critically conferred. Thus, this review paper call for pioneering research on different virulence factors of E. coli in order to apply a well-coordinated control interventions.},
     year = {2019}
    }
    

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  • TY  - JOUR
    T1  - A Review on Virulence Factors of Escherichia Coli
    AU  - Eshetu Shumi Gebisa
    AU  - Minda Asfaw Gerasu
    AU  - Diriba Taddese Leggese
    Y1  - 2019/07/10
    PY  - 2019
    N1  - https://doi.org/10.11648/j.avs.20190703.13
    DO  - 10.11648/j.avs.20190703.13
    T2  - Animal and Veterinary Sciences
    JF  - Animal and Veterinary Sciences
    JO  - Animal and Veterinary Sciences
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    EP  - 93
    PB  - Science Publishing Group
    SN  - 2328-5850
    UR  - https://doi.org/10.11648/j.avs.20190703.13
    AB  - Most Escherichia coli (E. coli strains are normal commensals found in the intestinal tract of both humans and animals, while others are pathogenic to animals and humans. Pathogenic E. coli distinguished from normal flora by their possession of virulence factors. Hence, the main objective of this review is to appraise different virulence factors associated with occurrence of pathogenic E. coli infections. Some pathogenic strains cause diarrhoeal disease and are categorized into specific groups based on virulence properties, mechanisms of pathogenicity, clinical syndromes and distinct O: H serogroups. In this review, the most important virulence factors of E. coli including acid resistance, different adhesion proteins like fimbriae, fibrillae, curli and outer membrane protein A, the use of type III secretion systems by the bacteria to subvert eukaryotic signaling pathways by injecting virulence proteins into the host cell cytoplasm, the alkaline phosphatase encoded by PhoA gene in E. coli, the repeatsin toxin pore-forming toxins, oligopeptide toxin of E. coli, heat-labile enterotoxins, Vero/Shiga toxins and different pathogenicity islands which encode a variety of different virulence factors like adhesins, toxins, invasins, protein secretion systems, iron uptake systems and others were critically conferred. Thus, this review paper call for pioneering research on different virulence factors of E. coli in order to apply a well-coordinated control interventions.
    VL  - 7
    IS  - 3
    ER  - 

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Author Information
  • College of Agriculture and Veterinary Medicine, Jimma University, Jimma, Ethiopia

  • College of Agriculture and Environmental Science, Arsi University, Asela, Ethiopia

  • College of Agriculture and Environmental Science, Arsi University, Asela, Ethiopia

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