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Genetic Diversity of Campylobacter jejuni Isolated From Avian and Human Sources in Egypt
Faculty
Veterinary Medicine
Year:
2019
Type of Publication:
ZU Hosted
Pages:
Authors:
Mohammed Samer Ahmed Mouhamed
Staff Zu Site
Abstract In Staff Site
Journal:
Plant Physiology and Biochemistry Frontiers
Volume:
Keywords :
Genetic Diversity , Campylobacter jejuni Isolated From
Abstract:
Campylobacter jejuni (C. jejuni) are able to colonise and infect domestic poultry and also pose a risk for humans. The aim of this study was to determine the extent of genotypic diversity among C. jejuni isolates recovered from avian and human sources in Egypt. Furthermore, the short variable region (SVR) of flagellin A (flaA) gene was analysed for the presence of allelic variants. Our results showed that C. jejuni isolates differ in their capacity to harbour each of the virulence genes alone or when present in various combinations. The flaA gene was detected in all C. jejuni strains and none of the strains had all the studied virulence genes together. When considering C. jejuni strains from the investigated sources, the cdtC gene was the most similar, while the cdtB and iam genes were the most dissimilar. We could identify 13 novel alleles in the analysed strains. The analyses of virulence gene patterns, flaA gene sequences and allelic variants showed that C. jejuni strains from different sources overlapped largely suggesting potential involvement of poultry in transmitting C. jejuni to humans. We also found that the strains isolated from the same host were highly heterogeneous, with chicken strains exhibiting the highest diversity. Moreover, the human strains were clustered closer to chicken ones than to those from pigeon. The results of this study should be taken into consideration when assessing the epidemiology and risk potential of Egyptian C. jejuni not only in poultry, but also in humans.
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Mohammed Samer Ahmed Mouhamed, "Prevalence, protein analysis and possible preventive measures against zoonotic anisakid larvae isolated from marine Atherina fish", Helminthologia, 2015
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Mohammed Samer Ahmed Mouhamed, "MicroRNAs in the Host Response to Viral Infections of Veterinary Importance", Frontiers, 2016
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Mohammed Samer Ahmed Mouhamed, "Small Non-coding RNAs Associated with Viral Infectious Diseases of Veterinary Importance: Potential Clinical Applications", Frontiers, 2016
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Mohammed Samer Ahmed Mouhamed, "Aeromonas hydrophila from marketed mullet (Mugil cephalus) in Egypt: PCR characterization of β-lactam resistance and virulence genes", Wiley, 2018
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Department Related Publications
Abdallah Mohamed Amien Ali Marwad, "أهمية بعض الديدان الطفيلية من وجهة الأمراض المشتركة فى محافظة الشرقية", لايوجد, 1900
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Heba Ahmed Abdallah Abdelmgeed, "Cleavage site stability of Egyptian highly pathogenic avian influenza viruses in backyard chickens during 2009-2011", Elsevier B.V, 2014
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Mohammed Alsayed MohamedMohamed , "دراسات جزيئية ووبائية عن الايروموناس هيدروفيلا واهميتها من ناحية الصحة العامة Molecular and epidemiological studies on Aeromonas hydrophila with its public health importance", كلية الطب البيطرى - جامعة الزقازيق, 2003
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Mohammed Alsayed MohamedMohamed , "Update status of toxoplasmosis and brucellosis in small ruminants and human in Sharkia Province الوضع الحالى للتوكسوبلازموزس و البروسلوزس فى المجترات الصغيرة والانسان بمحافظة الشرقية", كلية الطب البيطرى - جامعة القاهرة, 2006
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Abdallah Mohamed Amien Ali Marwad, "Close Relationship of Group A Rotaviruses between Bovine and Human Based OnVP7 Gene Sequence in Egypt درجة العلاقة القريبة لفيروس الروتا مجموعة أ بين العجول و الإنسان بناءا على التتابع الجينى لجين VP7 فى مصر", Faculty of Veterinary Science, University of Agriculture, Pakistan, 2014
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