Plant rhabdoviruses with bipartite genomes

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Abstract

Members of the family Rhabdoviridae (order Mononegavirales) have a broad range of hosts, including humans, livestock, fish, plants, and invertebrates. They have a nonsegmented negative-sense RNA as the genome. Orchid fleck virus (OFV) is distributed world-wide on several orchid plants and transmitted by the false spider mite, Brevipalpus californicus. Based on its virions morphology and cytopathic effects in the infected cells, OFV was tentatively placed as unassigned plant rhabdoviruses in the sixth ICTV Report. However, the molecular studies reveled that OFV has a unique two-segmented negative-sense RNA genome that resembles monopartite genomes of plant nucleorhabdoviruses. In this review, we describe the current knowledge on the genome structure and gene expression strategy of OFV, the possible mechanism of nuclear viroplasm formation, and the taxonomical consideration of the virus as well.

Original languageEnglish
Pages (from-to)143-154
Number of pages12
JournalUirusu. Journal of virology
Volume63
Issue number2
Publication statusPublished - 2013

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ASJC Scopus subject areas

  • Medicine(all)

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