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Virulence factors and antibiotic resistance of avian pathogenic Escherichia coli in eastern China

Xiaojing Xu

Xiaojing Xu

College of Basic Medicine and Biological Sciences, Medical Department, Soochow UniversitySuzhou, People’s Republic of China
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Xu, Xiaojing
, 
Qing Sun

Qing Sun

  • Laboratory of Animal Infectious Diseases, College of Veterinary Medicine, Yangzhou UniversityYangzhou, People’s Republic of China
  • Virus Research Unit, Department of Microbiology and Immunology, School of Medicine, University of OtagoDunedin, New Zealand
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Sun, Qing
 e 
Lixiang Zhao

Lixiang Zhao

College of Basic Medicine and Biological Sciences, Medical Department, Soochow UniversitySuzhou, People’s Republic of China
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Zhao, Lixiang
  
13 set 2019
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Pubblicato online: 13 set 2019
Pagine: 317 - 320
Ricevuto: 15 feb 2019
Accettato: 07 ago 2019
DOI: https://doi.org/10.2478/jvetres-2019-0056
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© 2019 X. Xu et al. published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Introduction

Avian pathogenicEscherichia coli (APEC) causes serious colibacillosis and significant economic losses. Data on profiles of virulence factors and antibiotic resistances among APEC strains are crucial to the control of infection. In this study, strains were isolated from eastern China, and the prevalence of virulence factors and distribution of antibiotic resistance were determined.

Material and Methods

APEC strains were isolated and characterised by PCR for O serogroups, virulence factor genes, antibiotic resistance, and phylogenetic groups.

Results

O78 was the most prevalent serogroup and type A was the most frequent phylogenetic group. ThefimH,feoB, andiron genes were the most prevalent among the isolates. All isolates were multiresistant, and all strains were resistant to ampicillin and tetracycline, which are widely used in the poultry industry in China.

Conclusion

This study provided important data on the presence of virulence genes and antibiotic resistance profiles of APEC from poultry farms in eastern China.

Lingua:
Inglese
Frequenza di pubblicazione:
4 volte all'anno
Argomenti della rivista:
Scienze biologiche, Biologia molecolare, Microbiologia e virologia, Scienze della vita, altro, Medicina, Medicina veterinaria
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