Family: Kolmioviridae

Genus: Donvirus

Distinguishing features

Cát Tiên Odontotermes delta-like virus is the only classified donvirus. Donviruses infect fungus growing termites.

Virion

Virions are unknown.

Nucleic acid

Donvirus have non-segmented, negative-sense, covalently-closed circular RNA (cccRNA) genomes of about 1.7 kb with 60% GC content

Proteins

Donviruses are predicted to express delta antigen (DAg)-like protein (Litov et al., 2022).

Biology

Cát Tiên Odontotermes delta-like virus was discovered in fungus growing termites (termitid Odontotermes wallonensis Wasmann, 1902) in Cát Tiên National Park, Vietnam.

Species demarcation criteria

The genus currently only includes a single species.