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. 1977 May;22(2):572–576. doi: 10.1128/jvi.22.2.572-576.1977

RNA synthesized in calicivirus-infected cells is atypical of picornaviruses.

D W Ehresmann, F L Schaffer
PMCID: PMC515749  PMID: 559106

Abstract

RNA labeled with [3H]uridine from Vero cells infected with San Miguel sea lion virus in the presence of actinomycin D was analyzed by glycerol density gradient sedimentation and polyacrylamide gel electrophoresis. The predominant single-stranded RNA (36S, 2.6 x 10(6) molecular weight) was genome size. There was also a prominent 22S, 1.1 x 10(6)-molecular weight, single-stranded component and one or more double-stranded or partially double-stranded classes. Replicative forms, sedimenting at 18S, contained single-stranded RNA corresponding to the larger-molecular-weight class. All classes of intracellular RNA and virion RNA were polyadenylated. These findings and results with pig kidney cells infected with vesicular exanthema of swine virus and feline cells infected with feline calicivirus indicate that caliciviruses exhibit a strategy of replication different from typical picornaviruses and supports removal of the caliciviruses from the family Picornaviridae.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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