Also found in: Encyclopedia, Wikipedia.
Provisional name for a family of small, nonenveloped, isometric bacterial viruses with genomes of single-stranded positive sense RNA (MW 1 × 106). Virions adsorb to the sides of bacterial pili, and crystalline arrays are formed in infected bacteria. The type species is enterobacteria phage M52.
[L. levis, light (not heavy)]
Farlex Partner Medical Dictionary © Farlex 2012