Cryspovirus

Cryspovirus is a genus of viruses, in the family Partitiviridae.[1] Protists serve as natural hosts. There is only one species in this genus: Cryptosporidium parvum virus 1.[2][3]

Cryspovirus
Virus classification Edit this classification
(unranked): Virus
Realm: Riboviria
Kingdom: Orthornavirae
Phylum: Pisuviricota
Class: Duplopiviricetes
Order: Durnavirales
Family: Partitiviridae
Genus: Cryspovirus

Structure

Viruses in Cryspovirus are non-enveloped, with icosahedral geometries, and T=1 symmetry. The diameter is around 30-35 nm. Genomes are linear and segmented, around 2.1kb in length. The genome codes for 2 proteins.[2][3]

GenusStructureSymmetryCapsidGenomic arrangementGenomic segmentation
CryspovirusIcosahedralT=1Non-envelopedLinearSegmented

Life cycle

Viral replication is cytoplasmic. Entry into the host cell is achieved by penetration into the host cell. Replication follows the double-stranded RNA virus replication model. Double-stranded RNA virus transcription is the method of transcription. Protists serve as the natural host.[2][3]

GenusHost detailsTissue tropismEntry detailsRelease detailsReplication siteAssembly siteTransmission
CryspovirusProtistsNoneCell division; sporogenesis; hyphal anastomosisCell division; sporogenesis; hyphal anastomosisCytoplasmCytoplasmCell division; sporogenesis; hyphal anastomosis

References
  1. Vainio, EJ; Chiba, S; Ghabrial, SA; Maiss, E; Roossinck, M; Sabanadzovic, S; Suzuki, N; Xie, J; Nibert, M; Ictv Report, Consortium (January 2018). "ICTV Virus Taxonomy Profile: Partitiviridae". The Journal of General Virology. 99 (1): 17–18. doi:10.1099/jgv.0.000985. PMC 5882087. PMID 29214972.
  2. "ICTV Report".
  3. "Viral Zone". ExPASy. Retrieved 13 August 2015.
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