Abstract
The Potyviridae is the largest family of RNA plant viruses, members of which have single-stranded, positive-sense RNA genomes and flexuous filamentous particles 680–900 nm long and 11–20 nm wide. There are eight genera, distinguished by the host range, genomic features and phylogeny of the member viruses. Genomes range from 8.2 to 11.3 kb, with an average size of 9.7 kb. Most genomes are monopartite but those of members of the genus Bymovirus are bipartite. Some members cause serious disease epidemics in cultivated plants. This is a summary of the International Committee on Taxonomy of Viruses (ICTV) Report on the taxonomy of the Potyviridae, which is available at www.ictv.global/report/potyviridae.
Highlights
The Potyviridae is the largest family of RNA plant viruses, members of which have single-stranded, positive-sense RNA genomes and flexuous filamentous particles 680–900 nm long and 11–20 nm wide
Most members are arthropod-borne but those of the genus Bymovirus are transmitted by plasmodiophorids Currently eight genera containing nearly 200 species
The single-stranded, positive-sense genome ranges from 8.2 kb to 11.3 kb, with an average of around 9.7 kb (Table 2)
Summary
Wylie,1,* Mike Adams, Celia Chalam, Jan Kreuze, Juan Jose López-Moya, Kazusato Ohshima, Shelly Praveen, Frank Rabenstein, Drake Stenger, Aiming Wang, F.
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