Betabaculovirus

Betabaculovirus

Virus classification
Group: Group I (dsDNA)
Family: Baculoviridae
Genus: Betabaculovirus
Type Species

Betabaculovirus is a genus of viruses, in the family Baculoviridae. Arthropods serve as natural hosts. There are currently 17 species in this genus including the type species Cydia pomonella granulovirus.[1][2]

Taxonomy

Group: dsDNA

[2]

Structure

Viruses in Betabaculovirus are enveloped. Genomes are circular, around 80-180kb in length. The genome codes for 100 to 180 proteins.[1]

Genus Structure Symmetry Capsid Genomic Arrangement Genomic Segmentation
BetabaculovirusBudded or OccludedEnvelopedCircularMonopartite

Life Cycle

Viral replication is nuclear. Entry into the host cell is achieved by attachment of the viral glycoproteins to host receptors, which mediates endocytosis. Replication follows the dsDNA bidirectional replication model. Dna templated transcription, with some alternative splicing mechanism is the method of transcription. The virus exits the host cell by nuclear pore export, and existing in occlusion bodies after cell death and remaining infectious until finding another host. Arthropods serve as the natural host. Transmission routes are fecal-oral.[1]

Genus Host Details Tissue Tropism Entry Details Release Details Replication Site Assembly Site Transmission
BetabaculovirusArthropodsMidgut then hemocoel; digestive gland epithelium (shrimps)Cell receptor endocytosisBudding; OcclusionNucleusNucleusOral-fecal

References

  1. 1 2 3 "Viral Zone". ExPASy. Retrieved 15 June 2015.
  2. 1 2 ICTV. "ICTV 2015 Master Species List Version 1". Retrieved 12 June 2016.

External links

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