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Molecular characterization of bovine foamy virus and its association with bovine leukemia virus infection in Vietnamese cattle.


ABSTRACT: 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.

SUBMITTER: LE DT 

PROVIDER: S-EPMC8437725 | biostudies-literature | 2021 Aug

REPOSITORIES: biostudies-literature

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Molecular characterization of bovine foamy virus and its association with bovine leukemia virus infection in Vietnamese cattle.

LE Dung Thi DT   Nguyen Son Vu SV   Okamoto Mari M   Yamashita-Kawanishi Nanako N   Dao Tung Duy TD   Bui Vuong Nghia VN   Ogawa Haruko H   Imai Kunitoshi K   Haga Takeshi T  

The Journal of veterinary medical science 20210628 8


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 s  ...[more]

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