E-ISSN 2536-9520 | ISSN 1110-2047
 
2025, Vol: 85
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Original Article
Online Published: 18 Apr 2016
 


Molecular Characterization, Spread and Evolution of Quinolones Resistance in E.Coli of Avian Origin

Heba Roshdy, Eman M. Farghaly, Soad A. Nasef, Azhar G. Shalaby.


Abstract
Resistance to flruroquinolones encouraged us to study the resistance of E. coli isolates from avian origin in Egypt. A total 65 from 150 samples were positive for E coli isolates was screened against 5 quinolones discs and also for five representing genes (qnrA, qnrB, qnrS, qepA and aac(6′)-Ib-cr). The absolute resistance to three out of five antimicrobial discs appeared in duck isolates; also chicken isolates showed resistance 100% to nalidixic acid and as totally the higher percentage for the examined resistance genes especially that has the role in decreasing the sensitivity to nofloxacin, cibrofloxacin and enrofloxacin. Regarding the total incidence of isolation of E. coli was 43.3 %. And serotyping of the isolates revealed 19, 13 and 7 O groups in chickens, Ducks and turkeys respectively.

Key words: .coli, quinolones, antibiogram profile, PCR, serologically.


 
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How to Cite this Article
Pubmed Style

Roshdy H, Farghaly EM, Nasef SA, Shalaby AG. Molecular Characterization, Spread and Evolution of Quinolones Resistance in E.Coli of Avian Origin. AJVS. 2016; 49(1): 60-67. doi:10.5455/ajvs.220124

Web Style

Roshdy H, Farghaly EM, Nasef SA, Shalaby AG. Molecular Characterization, Spread and Evolution of Quinolones Resistance in E.Coli of Avian Origin. https://www.alexjvs.com/?mno=220124 [Access: March 25, 2025]. doi:10.5455/ajvs.220124

AMA (American Medical Association) Style

Roshdy H, Farghaly EM, Nasef SA, Shalaby AG. Molecular Characterization, Spread and Evolution of Quinolones Resistance in E.Coli of Avian Origin. AJVS. 2016; 49(1): 60-67. doi:10.5455/ajvs.220124


Vancouver/ICMJE Style

Roshdy H, Farghaly EM, Nasef SA, Shalaby AG. Molecular Characterization, Spread and Evolution of Quinolones Resistance in E.Coli of Avian Origin. AJVS. (2016), [cited March 25, 2025]; 49(1): 60-67. doi:10.5455/ajvs.220124


Harvard Style

Roshdy, H., Farghaly, . E. M., Nasef, . S. A. & Shalaby, . A. G. (2016) Molecular Characterization, Spread and Evolution of Quinolones Resistance in E.Coli of Avian Origin. AJVS, 49 (1), 60-67. doi:10.5455/ajvs.220124


Turabian Style

Roshdy, Heba, Eman M. Farghaly, Soad A. Nasef, and Azhar G. Shalaby. 2016. Molecular Characterization, Spread and Evolution of Quinolones Resistance in E.Coli of Avian Origin. Alexandria Journal of Veterinary Sciences, 49 (1), 60-67. doi:10.5455/ajvs.220124


Chicago Style

Roshdy, Heba, Eman M. Farghaly, Soad A. Nasef, and Azhar G. Shalaby. "Molecular Characterization, Spread and Evolution of Quinolones Resistance in E.Coli of Avian Origin." Alexandria Journal of Veterinary Sciences 49 (2016), 60-67. doi:10.5455/ajvs.220124


MLA (The Modern Language Association) Style

Roshdy, Heba, Eman M. Farghaly, Soad A. Nasef, and Azhar G. Shalaby. "Molecular Characterization, Spread and Evolution of Quinolones Resistance in E.Coli of Avian Origin." Alexandria Journal of Veterinary Sciences 49.1 (2016), 60-67. Print. doi:10.5455/ajvs.220124


APA (American Psychological Association) Style

Roshdy, H., Farghaly, . E. M., Nasef, . S. A. & Shalaby, . A. G. (2016) Molecular Characterization, Spread and Evolution of Quinolones Resistance in E.Coli of Avian Origin. Alexandria Journal of Veterinary Sciences, 49 (1), 60-67. doi:10.5455/ajvs.220124




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    The Alexandria Journal of Veterinary Sciences (AJVS) Official Journal of Faculty of Veterinary Medicine, Alexandria University   ISSN: 1110 ... Read more.



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