Ourmiaviruses (Botourmiaviridae)

Gian Paolo Accotto, Cristina Rosa

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

Ourmiaviruses are ssRNA viruses not assigned to any family, with a tripartite genome and cylindrical particles with conical ends. The three species described so far infect plants inducing mosaic, mottle, necrosis on the leaves: Ourmia melon virus (OuMV, the type species), Epirus cherry virus (EpCV) and Cassava virus C (CsVC). Ourmiaviruses appear derived by reassortment of genetic elements of very distant viruses. The RNA-dependent RNA polymerase (RdRp) shows relationships with viruses of invertebrates and fungi, the movement protein (MP) with tombusviruses, the coat protein (CP) shows distant affinities with the CPs of sobemo-, tombus- luteo- and nodaviruses.

Original languageEnglish (US)
Title of host publicationEncyclopedia of Virology
Subtitle of host publicationVolume 1-5, Fourth Edition
PublisherElsevier
Pages516-519
Number of pages4
Volume1-5
ISBN (Electronic)9780128145166
DOIs
StatePublished - Jan 1 2020

All Science Journal Classification (ASJC) codes

  • General Immunology and Microbiology

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