ArticleMolecular plant pathology2016
Identification of Ourmiavirus 30K movement protein amino acid residues involved in symptomatology, viral movement, subcellular localization and tubule formation.
Article in Molecular plant pathology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 19 citations in OpenAlex.
- A mycovirus-encoded homologue of plant viral movement proteins is not functional in movement complementation assays in plants.Virus research · 2026Article
- Lettuce Big-Vein Associated Virus ORF3 Encodes a Functional 30K Movement Protein.Molecular plant pathology · 2025Article
- Maize unstable factor for orange1 encodes a nuclear protein that affects redox accumulation during kernel development.The Plant cell · 2024Article
- ICTV Virus Taxonomy Profile:The Journal of general virology · 2024Review
- Article
- Unravelling the involvement of cilevirus p32 protein in the viral transport.Scientific reports · 2021Article
- ICTV Virus Taxonomy Profile:The Journal of general virology · 2020Review
- First evidence showing that Pepper vein yellows virus P4 protein is a movement protein.BMC microbiology · 2020Article
- Small hydrophobic viral proteins involved in intercellular movement of diverse plant virus genomes.AIMS microbiology · 2020Review
- A Negative-Stranded RNA Virus Infecting Citrus Trees: The Second Member of a New Genus Within the OrderFrontiers in microbiology · 2018Article
- ICTV Virus Taxonomy Profile: Ourmiavirus.The Journal of general virology · 2017Article
Corrections and comments
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Authors and funding
4 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Several plant viruses encode movement proteins (MPs) classified in the 30K superfamily. Despite a great functional diversity, alignment analysis of MP sequences belonging to the 30K superfamily revealed the presence of a central core region, including amino acids potentially critical for MP structure and functionality. We performed alanine-scanning mutagenesis of the Ourmia melon virus (OuMV) MP, and studied the effects of amino acid substitutions on MP properties and virus infection. We identified five OuMV mutants that were impaired in systemic infection in Nicotiana benthamiana and Arabidopsis thaliana, and two mutants showing necrosis and pronounced mosaic symptoms, respectively, in N. benthamiana. Green fluorescent protein fusion constructs (GFP:MP) of movement-defective MP alleles failed to localize in distinct foci at the cell wall, whereas a GFP fusion with wild-type MP (GFP:MPwt) mainly co-localized with plasmodesmata and accumulated at the periphery of epidermal cells. The movement-defective mutants also failed to produce tubular protrusions in protoplasts isolated from infected leaves, suggesting a link between tubule formation and the ability of OuMV to move. In addition to providing data to support the importance of specific amino acids for OuMV MP functionality, we predict that these conserved residues might be critical for the correct folding and/or function of the MP of other viral species in the 30K superfamily.
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