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Chlorovirus

Phycodnaviridae

  • Reference work entry
The Springer Index of Viruses

Virion

Morphology:

Icosahedron with spike at one vertex

Envelope:

No

Diameter (nm):

190

Length (nm):

Structural components:

Core, capsid

Buoyant density (g/mL):

?

Buoyant density method:

 

Lipid composition:

5–10% lipid

Additional information:

Capsid contains an internal lipid membrane

Genome

Nucleic acid:

DNA

Strandedness:

Double-stranded

Polarity:

Configuration:

Linear

Segment organization:

Segment no. 1 (kb):

290–370 kb

 

One segment(s):

290–370 (kb) total (calculated)

G + C content (%):

40–49

mRNA transcripts:

325–400

Open reading frames:

600–800

Additional information:

Genome has cross-linked hairpin ends, viral DNAs have various levels of 5 mC and 6 mA

Replication

Entry mechanism:

Uncoats at the surface of the cell wall

Site of transcription:

Probably nucleus

Transcriptase:

Probably host-encoded RNA polymerase II

Site of genome replication:

Probably nucleus

Replicase:

Virus-encoded DNA-dependent DNA polymerase

Replication intermediate:

Unknown

Site of virion assembly:

Cytoplasmic...

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Correspondence to James L. Van Etten B.A., M.S., Ph.D. .

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© 2011 Springer Science+Business Media, LLC

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Van Etten, J.L. (2011). Chlorovirus. 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_203

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