Complete genome sequence of a new mitovirus associated with walking iris (Trimezia northiana)

Robert Alvarez-Quinto, Samuel Grinstead, Richard Jones, Dimitre Mollov

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

The complete genome sequence of a new member of the family Mitoviridae was obtained from walking iris (Trimezia northiana (Schneev.) Ravenna by high-throughput sequencing. This is the first putative mitovirus identified in a monocotyledonous plant. The new mitovirus was tentatively named “walking iris virus 1” (WIV1). The complete genome of WIV1 is 2,858 nt in length with a single ORF encoding a viral replicase (RdRp). The highest level of amino acid sequence identity was 45% to Beta vulgaris mitovirus 1. In the viral replicase, a conserved protein domain for mitovirus RNA-dependent RNA polymerase and six highly conserved motifs were detected, consistent with other members of the family Mitoviridae. Phylogenetic inferences placed WIV1 among members of the genus Duamitovirus (family Mitoviridae) in a monophyletic clade with other plant mitoviruses. Sequence comparison and phylogenetic analysis support the classification of WIV1 as a new member of the genus Duamitovirus (family Mitoviridae).

Original languageEnglish (US)
Article number273
JournalArchives of Virology
Volume168
Issue number11
DOIs
StatePublished - Nov 2023
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2023, This is a U.S. Government work and not under copyright protection in the US; foreign copyright protection may apply.

PubMed: MeSH publication types

  • Journal Article

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