Bovine stool associated circular virus

Bovine stool associated circular virus
Virus classification
Group: Group II (ssDNA)

Bovine stool associated circular virus is a single stranded DNA virus with a circular genome that was isolated from bovine stool.[1]

Virology

This virus was isolated from cows that appeared to be healthy. It has also been isolated from healthy pig stool.

Genome

The genome is a single stranded circular DNA molecule 2600 bases in length. It has two open reading frames encoding a replicase and capsid protein. The reading frames are arranged in opposite orientations on the genome. A stem loop is present between the 3' ends of the open reading frames. This is like chimpanzee stool associated circular virus and unlike any other known circular DNA virus.

Taxonomy

This virus appears to form a clade with the chimpanzee stool associated circular virus. Their relationship with other viruses is not yet known. The closest relations appear to be the Nanoviridae but further work is required to clarify this point.

References

  1. ↑ Kim HK, Park SJ, Nguyen VG, Song DS, Moon HJ, Kang BK, Park BK (2011) Identification of a novel single stranded circular DNA virus from bovine stool. J Gen Virol doi:10.1099/vir.0.037838-0
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