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Molecular detection of virulence genes in Campylobacter species isolated from livestock production systems in South Africa

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Journal of Integrative Agriculture 2020年第6期19卷 1656-1670页

作者： Bongekile NGOBESE Oliver Tendayi ZISHIRI Mohamed Ezzat EL ZOWALATY Discipline of Genetics School of Life SciencesUniversity of KwaZulu-NatalDurban 4000South Africa Zoonosis Science Center Department of Medical Biochemistry and MicrobiologyUppsala UniversityUppsala SE-75185Sweden Infectious Diseases and Anti-Infective Therapy Research Group College of Pharmacy and Sharjah Medical Research InstituteUniversity of SharjahSharjah 27272UAE

Campylobacter species are a major cause of foodborne bacterial infections in both developed and developing countries *** jejuni is responsible for the majority of infectio *** study was con ducted to identify virule nceassociated genes in Campylobacter species isolated from livestock production systems in South Africa.A total of 250 fecal samples consisting of cattle(n=50),chickens(n=50),goats(n=50),sheep(n=50)and pigs(n=50)were randomly collected from livestock in Eastern Cape and KwaZulu-Natal provinces of South Africa between April and October *** samples were an a lyzed for the presence of virule nee genes in Campylobacter species using molecular PCR-based *** was found that 77 and 23%of Campylobacter jejuni and Campylobacter coli respectively were isolated from all the livestock *** were positive significant(Pvirulenee genes that were *** and Fisher's exact tests were implemented to test for the effect of livestock species on the presenee or absenee of virule nee gen *** study dem on strated that most of livestock species can pote ntially cause zoonotic infecti on s and food pois oning due to the high prevale nee of *** high prevale nee of virule nee genes highlights the sign ifica nee of Campylobacter\r\livestock production systems in South *** requires the implementation of one-health approaches to reduce the impact of foodborne and zoonotic diseases for the welfare of human and animal health.

关键词： Campylobacter zoonotic cytotoxicity pathogenicity virulenee campylobacteriosis foodbome livestock PCR one-health

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