Punavirus

Punavirus is a genus of viruses in the class Caudoviricetes. Bacteria serve as natural hosts. There are four species in this genus.^[1][2]

Punavirus
Virus classification
(unranked):	Virus
Realm:	Duplodnaviria
Kingdom:	Heunggongvirae
Phylum:	Uroviricota
Class:	Caudoviricetes
Genus:	Punavirus
Synonyms
P1-like viruses Punalikevirus

Taxonomy

The following four species are assigned to the genus:^[2]

• Punavirus P1
• Punavirus pv43
• Punavirus RCS47
• Punavirus SJ46

Structure

Viruses in Punavirus are non-enveloped, with icosahedral and head-tail geometries. The diameter is around 85 nm. Genomes are circular, around 100kb in length. The genome codes for 100 proteins.^[1]

Genus	Structure	Symmetry	Capsid	Genomic arrangement	Genomic segmentation
Punavirus	Head-Tail		Non-enveloped	Circular	Monopartite

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.^[1]

Genus	Host details	Tissue tropism	Entry details	Release details	Replication site	Assembly site	Transmission
Punavirus	Bacteria	None	Injection	Lysis	Cytoplasm	Cytoplasm	Passive diffusion