ArticleMolecular plant pathology2017
The resistance of sour orange to Citrus tristeza virus is mediated by both the salicylic acid and RNA silencing defence pathways.
Article in Molecular plant pathology, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers, 1 of them a synthesis that pooled it.
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Who cites it
17 citing papers in PubMed, 1 synthesis or guideline pooled it, 66 citations in OpenAlex.
- Genetic bases of resistance to the rice hoja blanca disease deciphered by a quantitative trait locus approach.G3 (Bethesda, Md.) · 2023Pooled it
- PhWRKY30 activates salicylic acid biosynthesis to positively regulate antiviral defense response in petunia.Horticulture research · 2025Article
- CRISPR/Cas9-driven double modification of grapevine MLO6-7 imparts powdery mildew resistance, while editing of NPR3 augments powdery and downy mildew tolerance.The Plant journal : for cell and molecular biology · 2025Article
- Quick Decline and Stem PittingPlants (Basel, Switzerland) · 2023Article
- Variation of endosymbiont andFrontiers in microbiology · 2023Article
- Transcriptomic Analysis of the Host Response to Mild and Severe CTV Strains in Naturally InfectedInternational journal of molecular sciences · 2022Article
- Molecular signatures of silencing suppression degeneracy from a complex RNA virus.PLoS computational biology · 2021Article
- IDA (INFLORESCENCE DEFICIENT IN ABSCISSION)-like peptides and HAE (HAESA)-like receptors regulate corolla abscission in Nicotiana benthamiana flowers.BMC plant biology · 2021Article
- Overexpressing a NPR1-like gene from Citrus paradisi enhanced Huanglongbing resistance in C. sinensis.Plant cell reports · 2021Article
- The unknown soldier in citrus plants: polyamines-based defensive mechanisms against biotic and abiotic stresses and their relationship with other stress-associated metabolites.Plant signaling & behavior · 2020Article
- Ultrahigh-activity immune inducer from Endophytic Fungi induces tobacco resistance to virus by SA pathway and RNA silencing.BMC plant biology · 2020Article
- A Long Non-Coding RNA ofViruses · 2019Article
- Review
- Article
- Identification of a strawberry NPR-like gene involved in negative regulation of the salicylic acid-mediated defense pathway.PloS one · 2018Article
- The enemy within: phloem-limited pathogens.Molecular plant pathology · 2018Review
- Article
Corrections and comments
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Authors and funding
8 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Citrus tristeza virus (CTV) induces in the field the decline and death of citrus varieties grafted on sour orange (SO) rootstock, which has forced the use of alternative decline-tolerant rootstocks in affected countries, despite the highly desirable agronomic features of the SO rootstock. Declining citrus plants display phloem necrosis below the bud union. In addition, SO is minimally susceptible to CTV compared with other citrus varieties, suggesting partial resistance of SO to CTV. Here, by silencing different citrus genes with a Citrus leaf blotch virus-based vector, we have examined the implication of the RNA silencing and salicylic acid (SA) defence pathways in the resistance of SO to CTV. Silencing of the genes RDR1, NPR1 and DCL2/DCL4, associated with these defence pathways, enhanced virus spread and accumulation in SO plants in comparison with non-silenced controls, whereas silencing of the genes NPR3/NPR4, associated with the hypersensitive response, produced a slight decrease in CTV accumulation and reduced stunting of SO grafted on CTV-infected rough lemon plants. We also found that the CTV RNA silencing suppressors p20 and p23 also suppress the SA signalling defence, with the suppressor activity being higher in the most virulent isolates.
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