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Hepatovirus

Picornaviridae

  • Reference work entry
The Springer Index of Viruses

Virion

Morphology:

Icosahedral

Envelope:

No

Diameter (nm):

27

Length (nm):

–

Structural components:

Capsid (VP0/VP2, VP3, VP1)

Buoyant density (g/mL):

1.33

Buoyant density method:

 

Lipid composition:

 

Additional information:

Capsid contains both precursor VPO and product VP2; product VP4 is not detected

Genome

Nucleic acid:

RNA

Strandedness:

Single-stranded

Polarity:

Positive-sense

Configuration:

Linear

Segment organization:

Segment No. 1 (kb):

7.5

One segment(s):

7.5 (kb) total (calculated)

G + C content (%):

37.9

 

mRNA transcripts:

–

Open reading frames:

 

Additional information:

5′ untranslated region functions as internal ribosome entry site; genome-linked protein (VPg) covalently linked to 5′ end

Replication

Entry mechanism:

Receptor-mediated endocytosis, acid-independent

Site of transcription:

N/a

Transcriptase:

N/a

Site of genome replication:

Cytoplasm

Replicase:

Virus-encoded 3D RNA-dependent RNA polymerase

Replication intermediate:

Partially double-stranded replicative intermediate...

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Correspondence to David A. Anderson B.Sc, Ph.D .

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© 2011 Springer Science+Business Media, LLC

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Anderson, D.A., Counihan, N. (2011). Hepatovirus. In: Tidona, C., Darai, G. (eds) The Springer Index of Viruses. Springer, New York, NY. https://doi.org/10.1007/978-0-387-95919-1_214

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