ArticlePlant signaling & behavior2016
Heterotrimeric G-proteins facilitate resistance to plant pathogenic viruses in Arabidopsis thaliana (L.) Heynh.
Article in Plant signaling & behavior, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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Who cites it
16 citing papers in PubMed, 24 citations in OpenAlex.
- Genome-wide association mapping and characterization of genetic loci associated with resistance against wheat streak mosaic virus.BMC plant biology · 2026Article
- Deciphering genetic factors contributing to enhanced resistance against Cercospora leaf blight in soybean (Frontiers in genetics · 2024Article
- Plant Disease Resistance-Related Signaling Pathways: Recent Progress and Future Prospects.International journal of molecular sciences · 2022Review
- Heterotrimeric G Protein Signaling in Abiotic Stress.Plants (Basel, Switzerland) · 2022Review
- Review
- Tomato and cotton G protein beta subunit mutants display constitutive autoimmune responses.Plant direct · 2021Article
- Cell wall associated immunity in plants.Stress biology · 2021Review
- A complex interplay of Gβ and Gγ proteins regulates plant growth and defence traits in the allotetraploid Brassica juncea.Plant molecular biology · 2021Article
- Viral inosine triphosphatase: A mysterious enzyme with typical activity, but an atypical function.Molecular plant pathology · 2021Review
- Genome-Wide Identification Reveals ThatFrontiers in plant science · 2021Article
- Prior exposure of Arabidopsis seedlings to mechanical stress heightens jasmonic acid-mediated defense against necrotrophic pathogens.BMC plant biology · 2020Article
- Plant G-protein signaling cascade and host defense.3 Biotech · 2020Review
- Article
- Plant receptor-like kinase signaling through heterotrimeric G-proteins.Journal of experimental botany · 2020Review
- Cassava brown streak virus Ham1 protein hydrolyses mutagenic nucleotides and is a necrosis determinant.Molecular plant pathology · 2019Article
- Alteration of cell wall xylan acetylation triggers defense responses that counterbalance the immune deficiencies of plants impaired in the β-subunit of the heterotrimeric G-protein.The Plant journal : for cell and molecular biology · 2017Article
Corrections and comments
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Heterotrimeric G-proteins, consisting of Gα, Gβ and Gγ subunits, are important signal transducers in eukaryotes. In plants, G-protein-mediated signaling contributes to defense against a range of fungal and bacterial pathogens. Here we studied response of G-protein-deficient mutants to ssRNA viruses representing 2 different families: Cucumber mosaic virus (CMV) (Bromoviridae) and Turnip mosaic virus (TuMV) (Potyviridae). We found that development of spreading necrosis on infected plants was suppressed in the Gβ-deficient mutant (agb1-2) compared to wild type and Gα-deficient mutant (gpa1-4). In accordance, ion leakage caused by viral infection was also significantly reduced in agb1-2 compared to wild type and gpa1-4. Nevertheless, both viruses replicated better in agb1-2 plants, while gpa1-4 was similar to wild type. Analysis of pathogenesis-related genes showed that Gβ negatively regulated salicylic acid, jasmonic acid and abscisic acid marker genes during CMV and TuMV infections. Interestingly, analysis of salicylic acid deficient transgenic plants indicated that salicylic acid did not affect resistance against these viruses and did not influence the Gβ-mediated defense response. We conclude that heterotrimeric G-proteins play a positive role in defense against viral pathogens probably by promoting cell death.
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