ICTV Virus Taxonomy Profile: Pospiviroidae

  • Francesco Di Serio
    Istituto per la Protezione Sostenibile delle Piante, Consiglio Nazionale delle Ricerche, Bari, 70126, Italy
  • Robert A. Owens
    Molecular Plant Pathology Laboratory, US Department of Agriculture, Agricultural Research Service, Beltsville, MD 20705, USA
  • Shi-Fang Li
    State Key Laboratory of Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, 100193, PR China
  • Jaroslav Matoušek
    Institute of Plant Molecular Biology, Biology Centre of the Czech Academy of Sciences, 37005 České Budějovice, Czech Republic
  • Vicente Pallás
    Instituto de Biología Molecular y Celular de Plantas, Universidad Politécnica de Valencia–Consejo Superior de Investigaciones Científicas, Valencia, 46010, Spain
  • John W. Randles
    School of Agriculture, Food and Wine, The University of Adelaide, Waite Campus, Glen Osmond, SA 5064, Australia
  • Teruo Sano
    Faculty of Agriculture and Life Science, Hirosaki University, Hirosaki 036-8561, Japan
  • Jacobus Th. J. Verhoeven
    Plant Protection Organization of the Netherlands, Wageningen, 6700 HC, Netherlands
  • Georgios Vidalakis
    Department of Microbiology and Plant Pathology, University of California, Riverside, CA 92521, USA
  • Ricardo Flores
    Instituto de Biología Molecular y Celular de Plantas, Universidad Politécnica de Valencia–Consejo Superior de Investigaciones Científicas, Valencia, 46010, Spain

説明

<jats:p>Members of the family <jats:italic>Pospiviroidae</jats:italic> have single-stranded circular RNA genomes that adopt a rod-like or a quasi-rod-like conformation. These genomes contain a central conserved region that is involved in replication in the nucleus through an asymmetric RNA–RNA rolling-circle mechanism. Members of the family <jats:italic>Pospiviroidae</jats:italic> lack the hammerhead ribozymes that are typical of viroids classified in the family <jats:italic>Avsunviroidae</jats:italic>. The family <jats:italic>Pospiviroidae</jats:italic> includes the genera <jats:italic>Apscaviroid</jats:italic>, <jats:italic>Cocadviroid</jats:italic>, <jats:italic>Coleviroid</jats:italic>, <jats:italic>Hostuviroid</jats:italic> and <jats:italic>Pospiviroid</jats:italic>, with >25 species. This is a summary of the ICTV Report on the family <jats:italic>Pospiviroidae</jats:italic>, which is available at <jats:ext-link xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="uri" xlink:href="https://www.ictv.global/report/pospiviroidae" xlink:type="simple">ictv.global/report/pospiviroidae</jats:ext-link>.</jats:p>

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