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Article Abstract
Background: Members of the genus Circovirus with the family Circoviridae are responsible for fatal diseases that can affect mammals and birds. Beak and feather disease virus (BFDV) is responsible for fatal diseases that could affect birds, causing the psittacine beak and feather disease. The current study discovered a new Circovirus from feces of laboratory rabbits and name it RabCV, which shows close relationship to BFDVs.
Results: We investigated the feces virome of 10 laboratory rabbits using the viral metagenomic method. In these samples, we detected a new rabbit-associated Circovirus (RabCV) and performed phylogenetic analysis based on replication-associated (Rep) protein. The result showed that the RabCV was closely clustered with BFDVs, sharing the identity of 56.7%-57.2% with them based on the whole genome sequence. PCR screening in a cohort of 38 laboratory rabbits showed that 3 out of the 38 rabbits were positive for this new rabbit-associated Circovirus.
Conclusion: A new Circovirus was discovered from feces of rabbits, which showed low prevalence in the healthy laboratory rabbits. BFDV is responsible for fatal diseases that could affect birds, which suggested that the potential threat of the new rabbit-associated Circovirus to the health of laboratory rabbits needs further study.
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| http://dx.doi.org/10.1016/j.virusres.2022.198861 | DOI Listing |
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