Gammaflexiviridae

Gammaflexiviridae
Virus classification
Group: Group IV ((+)ssRNA)
Order: Tymovirales
Family: Gammaflexiviridae
Genus: Mycoflexivirus
Type Species
  • Botrytis virus F

Gammaflexiviridae is a family of viruses in the order Tymovirales. Fungi serve as natural hosts. There are currently only one genus (Mycoflexivirus) and one species in this family: the type species Botrytis virus F.[1][2][3]

Taxonomy

Group: ssRNA(+)

[2]

Structure

Viruses in Gammaflexiviridae are non-enveloped, with flexuous and Filamentous geometries. The diameter is around 12-13 nm, with a length of 720 nm. Genomes are linear, around 6.8kb in length. The genome has 2 open reading frames.[1]

Genus Structure Symmetry Capsid Genomic Arrangement Genomic Segmentation
MycoflexivirusFilamentousNon-EnvelopedLinearMonopartite

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 is the method of transcription. Fungi serve as the natural host.[1]

Genus Host Details Tissue Tropism Entry Details Release Details Replication Site Assembly Site Transmission
MycoflexivirusPlantsNoneViral movement; mechanical inoculationViral movementCytoplasmCytoplasmMechanical inoculation: pseudococcid mealybugs; Mechanical inoculation: aphids

References

  1. 1 2 3 "Viral Zone". ExPASy. Retrieved 15 June 2015.
  2. 1 2 ICTV. "Virus Taxonomy: 2014 Release". Retrieved 15 June 2015.
  3. ↑ Howitt, R. L.; Beever, R. E.; Pearson, M. N.; Forster, R. L. (2001). "Genome characterization of Botrytis virus F, a flexuous rod-shaped mycovirus resembling plant 'potex-like' viruses". The Journal of general virology. 82 (Pt 1): 67–78. doi:10.1099/0022-1317-82-1-67. PMID 11125160.
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