Misplaced Pages

Rauchvirus
Virus classification
(unranked):	Virus
Realm:	Duplodnaviria
Kingdom:	Heunggongvirae
Phylum:	Uroviricota
Class:	Caudoviricetes
Order:	Caudovirales
Family:	Podoviridae
Genus:	Rauchvirus
Synonyms
BPP-1-like viruses Bppunalikevirus

Rauchvirus is a genus of viruses in the order Caudovirales, in the family Podoviridae. Bacteria serve as natural hosts. The genus contains only one species: Bordetella virus BPP1.

Structure

Viruses in Rauchvirus are non-enveloped, with icosahedral and head-tail geometries, and T=7 symmetry. The diameter is around 67 nm. Genomes are linear, around 42kb in length, and usually encodes about 50 proteins. The Bordetella phages of this genus contains an RNA-directed DNA polymerase which plays a role in tropism.

The genomes are linear, terminally redundant, and circularly with approximately 40. There are 53 proteins, and genes are arrayed in two transcriptional units, one on the negative strand, which is involved in regulation and recombination; the other is located on the positive strand which is involved in packaging, morphogenesis, lysis and integration.

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.

References

1. ^ "Viral Zone". ExPASy. Retrieved 15 June 2015.
2. "Virus Taxonomy: 2020 Release". International Committee on Taxonomy of Viruses (ICTV). March 2021. Retrieved 12 May 2021.
3. ^ Dai, W.; Hodes, A.; Hui, W. H.; Gingery, M.; Miller, J. F.; Zhou, Z. H. (2010). "Three-dimensional structure of tropism-switching Bordetella bacteriophage". Proceedings of the National Academy of Sciences. 107 (9): 4347–52. Bibcode:2010PNAS..107.4347D. doi:10.1073/pnas.0915008107. PMC 2840154. PMID 20160083.
4. Liu, M.; Gingery, M.; Doulatov, S. R.; Liu, Y.; Hodes, A.; Baker, S.; Davis, P.; Simmonds, M.; Churcher, C.; Mungall, K.; Quail, M. A.; Preston, A.; Harvill, E. T.; Maskell, D. J.; Eiserling, F. A.; Parkhill, J.; Miller, J. F. (2004). "Genomic and genetic analysis of Bordetella bacteriophages encoding reverse transcriptase-mediated tropism-switching cassettes". Journal of Bacteriology. 186 (5): 1503–1517. doi:10.1128/JB.186.5.1503-1517.2004. PMC 344406. PMID 14973019.
5. Johnson, Matthew C; Tatum, Kelsey B; Lynn, Jason S; Brewer, Tess E; Lu, Stephen; Washburn, Brian K; Stroupe, M Elizabeth; Jones, Kathryn M (1 November 2015). "Sinorhizobium meliloti Phage ΦM9 Defines a New Group of T4 Superfamily Phages with Unusual Genomic Features but a Common T=16 Capsid". Journal of Virology. 89 (21): 10945–10958. doi:10.1128/jvi.01353-15. ISSN 1098-5514. PMC 4621102. PMID 26311868.

External links

• Viralzone: Bppunalikevirus
• ICTV

• Podoviridae
• Virus genera