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Molecular detection of equine trypanosomiasis in the Riyadh Province of Saudi Arabia.


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Alanazi, Abdullah D, Puschendorf, Robert, Salim, Bashir, Alyousif, Mohamed S, Alanazi, Ibrahim O and Al-Shehri, Hajri (2018) 'Molecular detection of equine trypanosomiasis in the Riyadh Province of Saudi Arabia.'. Journal of Veterinary Diagnostic Investigation.

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We conducted a cross-sectional study to detect trypanosome infections of horses and donkeys in the Riyadh Province of Saudi Arabia. DNA was extracted from blood samples collected from 368 horses and 142 donkeys, and subjected to universal first ribosomal internal transcribed spacer region (ITS1)-PCR followed by Trypanosoma evansi species-specific RoTat1.2-PCR. The universal ITS1-PCR revealed T. evansi infection in horses ( n = 12; 3.3%) and donkeys ( n = 4; 2.8%). There was no significant effect of sex or age on the prevalence of trypanosomiasis in horses or donkeys. Application of the RoTat1.2-PCR revealed that the RoTat1.2 VSG gene was absent from the positive ITS1-PCR samples of 3 horses and 1 donkey. This discrepancy could be explained by the circulation of T. evansi type B in Saudi Arabia; however, this suspicion requires confirmation.

Item Type: Article
Subjects: QU Biochemistry > Proteins. Amino Acids. Peptides > QU 58.5 DNA.
WC Communicable Diseases > Tropical and Parasitic Diseases > WC 705 Trypanosomiasis
Faculty: Department: Biological Sciences > Vector Biology Department
Digital Object Identifer (DOI):
Depositing User: Stacy Murtagh
Date Deposited: 18 Sep 2018 11:20
Last Modified: 22 Oct 2018 09:34


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