ArticlePest management science2026
Bacillus velezensis 83 protects Arabidopsis thaliana against Botrytis cinerea by triggering JA-, and SA-dependent induced systemic resistance.
Article in Pest management science, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Exl1 from Pectobacterium activates a jasmonate-dependent immune network in Arabidopsis thaliana.Plant molecular biology · 2026Article
- A New SpeciesJournal of fungi (Basel, Switzerland) · 2026Article
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Authors and funding
6 authors.
Funding
Abstract
backgroundModern agriculture is based on the application of synthetic agrochemicals to control multiple abiotic and biotic stresses. Nevertheless, owing to their negative effect on ecosystems and human health, their application is increasingly restricted. The use of plant growth-promoting bacteria (PGPB) as well as biological control agents (BCAs) represents a sustainable alternative to chemical pesticides and fertilizers. Bacillus velezensis 83 (Bv83) has been described as a BCA against several fungal phytopathogens.
resultsIn this work, we further study the molecular mechanisms behind the biological control capabilities of Bv83 using the pathosystem Arabidopsis thaliana-Botrytis cinerea. We used an in vitro system that can determine whether Bv83 can protect the plant triggering induced systemic resistance to B. cinerea. This protection was mediated by the accumulation of acetoin and the activation of phytohormone-induced mechanisms, in particular, jasmonic acid- and salicylic acid (SA)-mediated defense responses. Remarkably, we determined that in SA-impaired mutants, acetoin biosynthesis was severely reduced.
conclusionOur work provides valuable information that advances our understanding of the biostimulant effect induced by the BCA Bv83. © 2025 The Author(s). Pest Management Science published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.
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