Family: Hypoviridae

Genus: Alphahypovirus

Distinguishing features

Viruses of this genus have a mono- or bicistronic genome organization and are distinguished from other hypoviruses based on polyprotein-derived phylogenetic trees.

Virion

See family description

Genome organization and replication

In general, bicistronic, positive-sense RNA genomes of 12.4 kb to 14.4 kb.

Biology

See family description

Species demarcation criteria

Members of different species are distinguished by the arbitrary threshold of less than 80% amino acid sequence identity of the whole RdRP-containing polyproteins.