Phaeovirus Explained

Phaeovirus is a genus of viruses, in the family Phycodnaviridae. Alga serve as natural hosts. There are nine species in this genus.^{[1] [2]}

Taxonomy

The genus contains the following species:

• Ectocarpus fasciculatus virus a
• Ectocarpus siliculosus virus 1
• Ectocarpus siliculosus virus a
• Feldmannia irregularis virus a
• Feldmannia species virus
• Feldmannia species virus a
• Hincksia hinckiae virus a
• Myriotrichia clavaeformis virus a
• Pilayella littoralis virus 1

Structure

Viruses in Phaeovirus are enveloped, with icosahedral and round geometries, and T=169 symmetry. The diameter is around 120-150 nm. Genomes are linear, around 150-350kb in length.

Genus	Structure	Symmetry !	Capsid	Genomic arrangement	Genomic segmentation
Phaeovirus	Icosahedral	T=169	Enveloped	Linear	Monopartite

Life cycle

Viral replication is nucleo-cytoplasmic, and is lysogenic. Replication follows the DNA strand displacement model. DNA-templated transcription is the method of transcription. The virus exits the host cell by lysis via lytic phospholipids. Alga serve as the natural host. Transmission routes are passive diffusion.

External links

• Viralzone: Phaeovirus
• ICTV

Notes and References

1. Web site: Viral Zone. ExPASy. 15 June 2015.
2. Web site: Virus Taxonomy: 2020 Release . International Committee on Taxonomy of Viruses (ICTV) . March 2021 . 22 May 2021.