''Potyviridae'' is a family of

positive-strand RNA virus Positive-strand RNA viruses (+ssRNA viruses) are a group of related viruses that have Sense (molecular biology), positive-sense, single-stranded genomes made of ribonucleic acid. The positive-sense genome can act as messenger RNA (mRNA) and can ...

es that encompasses more than 30% of known

plant virus Plant viruses are viruses that have the potential to affect plants. Like all other viruses, plant viruses are obligate intracellular parasites that do not have the molecular machinery to replicate without a host. Plant viruses can be pathoge ...

es, many of which are of great agricultural significance. The family contains 13 genera that contain 259 species.

Structure

Potyvirid virions are nonenveloped,

flexuous {{Short pages monitor