ICTV Virus Taxonomy Profile: Avsunviroidae

• DOI: 10.1099/jgv.0.001045
• Publication Date: 2018-03-26T13:12:50Z
• Authors: Francesco Di Serio; Shi-Fang Li; Jaroslav Matoušek; Robert A. Owens; Vicente Pallás; John W. Randles; Teruo Sano; Jacobus Th. J. Ve...; Georgios Vidalakis; Ricardo Flores
• Keywords: DNA Replication; Viroid; 0303 health sciences; viroid; Peach latent mosaic viroid; eggplant latent viroid; Genome, Viral; RNA, Circular; Avocado sunblotch viroid; Virus Replication; peach latent mosaic viroid; Viroids; taxonomy; ICTV; 03 medical and health sciences; Avsunviroidae; RNA; RNA, Viral; RNA, Catalytic; avocado sunblotch viroid; Eggplant latent viroid; Taxonomy

Members of the family Avsunviroidae have a single-stranded circular RNA genome that adopts a rod-like or branched conformation and can form, in the strands of either polarity, hammerhead ribozymes involved in their replication in plastids through a symmetrical RNA–RNA rolling-circle mechanism. These viroids lack the central conserved region typical of members of the family Pospiviroidae. The family Avsunviroidae includes three genera, Avsunviroid, Pelamoviroid and Elaviroid, with a total of four species. This is a summary of the ICTV Report on the taxonomy of the family Avsunviroidae, which is available at http://www.ictv.global/report/avsunviroidae.