Spounavirinae

<i>Spounavirinae</i>

Spounavirinae

Subfamily of viruses

Spounavirinae is a subfamily of viruses in the order Caudovirales, in the family Herelleviridae.[1][2] Bacteria serve as natural hosts. There are currently five species in this subfamily, divided among 2 genera.[2][3]

Quick Facts Spounavirinae, Virus classification ...

Taxonomy

Group: dsDNA

    • Sub-Family: Spounavirinae
      • Genus: Okubovirus
        • Bacillus virus Camphawk
        • Bacillus virus SPO1
      • Genus: Siminovitchvirus
        • Bacillus virus CP51
        • Bacillus virus JL
        • Bacillus virus Shanette

[2]

Structure

Viruses in the subfamily Spounavirinae are non-enveloped, with icosahedral and Head-tail geometries, and T=16 symmetry. The diameter is around 84-94 nm, with a length of 140-219 in length, contractile with globular structures at its tip, has 6 long terminal fibers, 6 short spikes and a double base platenm. Genomes are circular, around 130-160kb in length. The genome codes for 190 to 230 proteins.[2][3]

Life cycle

Viral replication is cytoplasmic. Entry into the host cell is achieved by adsorption into the host cell. DNA-templated transcription is the method of transcription. Bacteria serve as the natural host. Transmission routes are passive diffusion.[2][3]

References

  1. [1]
    Barylski, J; Kropinski, AM; Alikhan, NF; Adriaenssens, EM; ICTV Report Consortium (April 2020). "ICTV Virus Taxonomy Profile: Herelleviridae". The Journal of General Virology. 101 (4): 362–363. doi:10.1099/jgv.0.001392. PMC 7414437. PMID 32022658.
  2. [2]
    "ICTV Report Herelleviridae".
  3. [3]
    "Viral Zone". ExPASy. Retrieved 1 July 2015.
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