ArticleMolecular plant pathology2015
Silicon-mediated resistance of Arabidopsis against powdery mildew involves mechanisms other than the salicylic acid (SA)-dependent defence pathway.
Article in Molecular plant pathology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 49 papers, 1 of them a synthesis that pooled it.
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Who cites it
49 citing papers in PubMed, 1 synthesis or guideline pooled it, 175 citations in OpenAlex.
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- The supplemental LED light spectra and silicon foliar application alleviate the adverse effects of combined salinity-alkalinity stress on Physalis angulata.Scientific reports · 2025Article
- Silicon-Mediated Interactions Between Plant Antagonists.Plants (Basel, Switzerland) · 2025Review
- Emerging Trends in Non-Protein Amino Acids as Potential Priming Agents: Implications for Stress Management Strategies and Unveiling Their Regulatory Functions.International journal of molecular sciences · 2024Review
- Unlocking the role of silicon against biotic stress in plants.Frontiers in plant science · 2024Review
- Resistance induction with silicon in Hass avocado plants inoculated withPlant signaling & behavior · 2023Article
- Comprehensive Study of Si-Based Compounds in Selected Plants (Molecules (Basel, Switzerland) · 2023Review
- Silicon Mediated Plant Immunity against Nematodes: Summarizing the Underline Defence Mechanisms in Plant Nematodes Interaction.International journal of molecular sciences · 2022Review
- Foliar Silicon Spray before Summer Cutting Propagation Enhances Resistance to Powdery Mildew of Daughter Plants.International journal of molecular sciences · 2022Article
- Silicon improves the photosynthetic performance of oat leaves infected withFrontiers in plant science · 2022Article
- Influence of Silicon on Biocontrol Strategies to Manage Biotic Stress for Crop Protection, Performance, and Improvement.Plants (Basel, Switzerland) · 2021Review
- Exploration of silicon functions to integrate with biotic stress tolerance and crop improvement.Biological research · 2021Review
- Silicon supplementation improves early blight resistance in3 Biotech · 2021Article
- Silica Nanoparticles as a Probable Anti-Oomycete Compound Against Downy Mildew, and Yield and Quality Enhancer in Grapevines: Field Evaluation, Molecular, Physiological, Ultrastructural, and Toxicity Investigations.Frontiers in plant science · 2021Article
- Foliar Application of Silicon Enhances Resistance AgainstFrontiers in plant science · 2021Article
- Unique lignin modifications pattern the nucleation of silica in sorghum endodermis.Journal of experimental botany · 2020Article
- Plant Silicon Amendment Does Not Reduce Population Growth of Schizaphis graminum or Host Quality for the Parasitoid Lysiphlebus testaceipes.Neotropical entomology · 2020Article
- Sweet Immunity: The Effect of Exogenous Fructans on the Susceptibility of Apple (International journal of molecular sciences · 2020Article
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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
On absorption by plants, silicon (Si) offers protection against many fungal pathogens, including powdery mildews. The mechanisms by which Si exerts its prophylactic role remain enigmatic, although a prevailing hypothesis suggests that Si positively influences priming. Attempts to decipher Si properties have been limited to plants able to absorb Si, which excludes the model plant Arabidopsis because it lacks Si influx transporters. In this work, we were able to engineer Arabidopsis plants with an Si transporter from wheat (TaLsi1) and to exploit mutants (pad4 and sid2) deficient in salicylic acid (SA)-dependent defence responses to study their phenotypic response and changes in defence expression against Golovinomyces cichoracearum (Gc) following Si treatment. Our results showed that TaLsi1 plants contained significantly more Si and were significantly more resistant to Gc infection than control plants when treated with Si, the first such demonstration in a plant transformed with a heterologous Si transporter. The resistant plants accumulated higher levels of SA and expressed higher levels of transcripts encoding defence genes, thus suggesting a role for Si in the process. However, TaLsi1 pad4 and TaLsi1 sid2 plants were also more resistant to Gc than were pad4 and sid2 plants following Si treatment. Analysis of the resistant phenotypes revealed a significantly reduced production of SA and expression of defence genes comparable with susceptible controls. These results indicate that Si contributes to Arabidopsis defence priming following pathogen infection, but highlight that Si will confer protection even when priming is altered. We conclude that Si-mediated protection involves mechanisms other than SA-dependent defence responses.
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