Notes on Family: Cystoviridae

enveloped spheres
enveloped spheres


General Description

This is the only family of phage with dsRNA genomes. They have spherical, spiked particles and current members all infect Pseudomonas species.


Virions are spherical, about 85 nm in diameter, with an envelope and covered by spikes.


There are 3 linear segments of dsRNA.

Genera in the Family

There is currently only one genus: .