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Bovine papillomavirus in Egypt: clinico-pathological features and molecular evolutionary analysis. | LitMetric

Bovine papillomavirus in Egypt: clinico-pathological features and molecular evolutionary analysis.

Vet Ital

Department of Virology, Faculty of Veterinary Medicine, Beni-Suef University, Beni Suef 62511, Egypt.

Published: September 2023

AI Article Synopsis

  • * Out of 60 cattle examined, 11 had skin lesions typical of the disease, and the presence of type 1 bovine papillomavirus (BPV-1) was confirmed through histological analysis and DNA sequencing.
  • * The study found that BPV-1 strains from the examined cattle are closely related to previous isolates from both cattle and horses in Egypt, suggesting that mixed grazing practices may facilitate the virus's transmission between species.

Article Abstract

Bovine papillomatosis is an infectious viral disease of cattle characterized by development of benign cutaneous warts. The present study describes bovine papillomavirus infection in cattle on clinco-pathological and molecular bases and compares the identified strains with the previously characterized papillomavirus isolates in Egypt either of bovine or equine origin. Out of sixty examined cattle, skin lesions were collected from eleven clinically diseased cattle exhibiting typical papillomatosis clinical signs and subjected to histopathological and molecular identification. Histological sections showed well-developed papillary projections of squamous epithelium associated with fibrovascular stroma. Type 1 bovine papillomavirus (BPV-1) was identified in the cutaneous lesions based on the results of L1 gene-based PCR using degenerated primer followed by DNA sequencing. Comparative sequence and evolutionary analysis revealed that papilloma sequences (OP777901, OP777902, OP777903) obtained in the current study are clustered along with MW018705.1, MG547343.1isolated from cattle in Egypt in 2017/2018 and MT502095.1.1, and MT502105.1 isolated from equine in Egypt in 2019. Results prove the circulation of BPV-1 in the areas under investigation and shed light on the role of multispecies grazing in Egypt as a risk factor for transmission of BPV-1 from cattle to horses.

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Source
http://dx.doi.org/10.12834/VetIt.3088.21173.2DOI Listing

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