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Hemivirus

Pseudoviridae

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The Springer Index of Viruses

Virion

Morphology:

Spheroid, polyhedral

Envelope:

No

Diameter (nm):

50

Length (nm):

–

Structural components:

Nucleocapsid, capsid

Buoyant density (g/mL):

?

Buoyant density method:

 

Lipid composition:

 

Additional information:

Particles are found in the nucleus

Genome

Nucleic acid:

RNA

Strandedness:

Single-stranded

Polarity:

Positive-sense

Configuration:

Linear

Segment organization:

Segment no. 1 (kb)

4.3–8.9

One segment(s):

4.3–8.9 (kb) total (calculated)

G + C content (%):

33.0–61.1

mRNA transcripts:

1–2

Open reading frames:

1–2

Additional information:

 

Replication

Entry mechanism:

Unknown

Site of transcription:

Nucleus

Transcriptase:

RNA polymerase II

Site of genome replication:

Cytoplasm or nucleus

Replicase:

Element-encoded reverse transcriptase

Replication intermediate:

Integrated DNA

Site of virion assembly:

Cytoplasm or nucleus

Egress mechanism:

Unknown

Additional information:

Viral genome integrates into host DNA

Drosophila melanogaster copia virus. Fig.1
figure 02531 figure 02531

Electron micrograph of...

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Correspondence to Alexandros Bousios .

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© 2011 Springer Science+Business Media, LLC

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Bousios, A., Voytas, D.F., Peterson-Burch, B.D. (2011). Hemivirus. 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_253

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