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Molecular characterization of bovine foamy virus and its association with bovine leukemia virus infection in Vietnamese cattle.
LE, Dung Thi; Nguyen, Son Vu; Okamoto, Mari; Yamashita-Kawanishi, Nanako; Dao, Tung Duy; Bui, Vuong Nghia; Ogawa, Haruko; Imai, Kunitoshi; Haga, Takeshi.
Affiliation
  • LE DT; Division of Infection Control and Disease Prevention, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan.
  • Nguyen SV; Department of Veterinary Pathology, Faculty of Veterinary Medicine, Vietnam National University of Agriculture, Hanoi 100000, Vietnam.
  • Okamoto M; Laboratory of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan.
  • Yamashita-Kawanishi N; Division of Infection Control and Disease Prevention, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan.
  • Dao TD; Division of Infection Control and Disease Prevention, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan.
  • Bui VN; Department of Veterinary Medicine, Obihiro University of Agriculture and Veterinary Medicine, 2-11 Inada, Obihiro, Hokkaido 080-8555, Japan.
  • Ogawa H; National Institute of Veterinary Research, 86 Truong Chinh, Dong Da, Hanoi 100000, Vietnam.
  • Imai K; Department of Veterinary Medicine, Obihiro University of Agriculture and Veterinary Medicine, 2-11 Inada, Obihiro, Hokkaido 080-8555, Japan.
  • Haga T; National Institute of Veterinary Research, 86 Truong Chinh, Dong Da, Hanoi 100000, Vietnam.
J Vet Med Sci ; 83(8): 1273-1277, 2021 Aug 12.
Article in En | MEDLINE | ID: mdl-34176825
The detection of bovine foamy virus (BFV) in Vietnamese cattle was performed using conventional PCR targeting pol and gag genes. Out of 243 tested samples, ten (4.1%) and eight (3.3%) samples were positive for BFV gag and pol DNA, respectively. The prevalence of bovine leukemia virus (BLV) estimated by detection of proviral DNA using nested PCR targeting env gene was 26.7% (65/243). The results of nucleotide sequence alignment and the phylogenetic analysis suggested that Vietnamese BFV strains showed high homology to isolates belonging to either European or non-European clades. There was no significant correlation between BLV and BFV. This study provides information regarding BFV infection and confirms the existence of two BFV clades among Vietnamese cattle for the first time.
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Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: Cattle Diseases / Enzootic Bovine Leukosis / Spumavirus / Leukemia Virus, Bovine Type of study: Risk_factors_studies Limits: Animals / Humans Language: En Journal: J Vet Med Sci Journal subject: MEDICINA VETERINARIA Year: 2021 Document type: Article Affiliation country: Japan Country of publication: Japan
Fulltext
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Print
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Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: Cattle Diseases / Enzootic Bovine Leukosis / Spumavirus / Leukemia Virus, Bovine Type of study: Risk_factors_studies Limits: Animals / Humans Language: En Journal: J Vet Med Sci Journal subject: MEDICINA VETERINARIA Year: 2021 Document type: Article Affiliation country: Japan Country of publication: Japan