Badnavirus

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Badnavirus
Virus classification Edit this classification
(unranked): Virus
Realm: Riboviria
Kingdom: Pararnavirae
Phylum: Artverviricota
Class: Revtraviricetes
Order: Ortervirales
Family: Caulimoviridae
Genus: Badnavirus
Cocoa-tree showing swollen diseased stem
Swollen stem infection

Badnavirus is a genus of viruses, in the family Caulimoviridae order Ortervirales. Plants serve as natural hosts. There are 75 species in this genus. Diseases associated with this genus include: CSSV: leaf chlorosis, root necrosis, red vein banding in young leaves, small mottled pods, and stem/root swelling followed by die-back. Infection decreases yield by 25% within one year, 50% within two years and usually kills trees within 3–4 years.[1][2]

The genus contains the following species, listed by scientific name and followed by the exemplar virus of the species:[3][4]

Structure

Viruses in Badnavirus are non-enveloped, with bacilliform geometries. These viruses are about 30 nm wide and 90–900 nm long. Genomes are circular and non-segmented.[1]

GenusStructureSymmetryCapsidGenomic arrangementGenomic segmentation
BadnavirusBacilliformT=3Non-envelopedCircularMonopartite

Life cycle

References

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