The Tymovirales are a newly established order of viruses in the 2009 classification with four families. This group consists of viruses which have (+) sense single stranded RNA genomes without DNA intermediates. Their genetic material is protected by a special coat protein.
The Tymovirales are mainly plant pathogens first described in 2004. They are characterised by similarities in their replication-associated polyproteins. These account for the majority of their genomic coding capacity. They are considered to form a group, phylogenetically, referred to as flexiviruses, with filamentous virions.
Another virus — Fusarium graminearum deltaflexivirus 1 — has been described.
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- Li K, Zheng D, Cheng J, Chen T, Fu Y, Jiang D, Xie J (2015). "Characterization of a novel Sclerotinia sclerotiorum RNA virus as the prototype of a new proposed family within the order Tymovirales". Virus Res. 219: 92–9. doi:10.1016/j.virusres.2015.11.019. PMID 26603216.
- Chen X, He H, Yang X, Zeng H, Qiu D, Guo L (2016). "The complete genome sequence of a novel Fusarium graminearum RNA virus in a new proposed family within the order Tymovirales". Arch Virol. 161 (10): 2899–903. doi:10.1007/s00705-016-2961-1. PMID 27376377.
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