Biology:Gallantivirus

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Gallantivirus is a genus of viruses, in the family Tombusviridae. Plants serve as natural hosts. There is only one species in this genus: Galinsoga mosaic virus (Gallantivirus galinsogae). Diseases associated with this genus include: chlorotic or necrotic local lesions, systemic mosaic; leaf malformation.[1][2][3]

Structure

Viruses in Gallantivirus are non-enveloped, with icosahedral and spherical geometries, and T=3 symmetry. The diameter is around 34 nm. Genomes are linear, around 4kb in length.[1]

Genus Structure Symmetry Capsid Genomic arrangement Genomic segmentation
Gallantivirus Icosahedral T=3 Non-enveloped Linear Monopartite

Life cycle

Viral replication is cytoplasmic. Entry into the host cell is achieved by penetration into the host cell. Replication follows the positive stranded RNA virus replication model. Positive stranded RNA virus transcription, using the premature termination model of subgenomic RNA transcription is the method of transcription. The virus exits the host cell by tubule-guided viral movement. Plants serve as the natural host. Transmission routes are mechanical, seed borne, and contact.[1]

Genus Host details Tissue tropism Entry details Release details Replication site Assembly site Transmission
Gallantivirus Plants None Viral movement; mechanical inoculation Viral movement Cytoplasm Cytoplasm Mechanical: contact; seed

References

  1. ↑ 1.0 1.1 1.2 "Viral Zone". ExPASy. http://viralzone.expasy.org/all_by_species/4862.html. Retrieved 13 August 2015. 
  2. ↑ "Virus Taxonomy: 2024 Release". International Committee on Taxonomy of Viruses. https://ictv.global/taxonomy. 
  3. ↑ "History of the taxon: Species: Gallantivirus galinsogae (2024 Release, MSL #40)". International Committee on Taxonomy of Viruses. https://ictv.global/taxonomy/taxondetails?taxnode_id=202405228&taxon_name=Gallantivirus%20galinsogae. 

Wikidata ☰ Q18822363 entry



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