Integrating Epigenetic Memory and Plant Growth-Promoting Rhizobacteria -Mediated Signaling for Climate-Resilient Agriculture

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ID: 318513
2026
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Abstract
AIMS: Climate change is shifting agriculture toward multifactorial abiotic stresses (drought, heat, and salinity). This study aims to characterize emergent, non-additive plant responses to combined stresses and to define the epigenetic and microbial frameworks that govern environmental memory and adaptive plasticity. METHODS AND RESULTS: We conducted a meta-synthesis of molecular and ecological studies, evaluating high-throughput data on DNA methylation, histone modifications, and ncRNA profiles. We further analyzed the plant holobiont to determine how rhizosphere and endosphere microbiota influence host stress imprinting. The analysis revealed that stress combinations trigger distinct transcriptomic and metabolic signatures, which are stabilized by an "epigenetic toolkit" such as RNA-directed DNA methylation and chromatin remodeling. Furthermore, plant-associated microbiota serve as an extrinsic regulatory layer, modulating host epigenetic states to prime plants for compound stress. While translational pathways such as epigenetic editing, CRISPR-mediated epigenome editing, and microbiome engineering show promise, their field-scale stability remains context-dependent. CONCLUSION: Building climate resilience requires a paradigm shift from traditional single-trait breeding toward multi-scale regulatory approaches. Harnessing the synergy between the plant epigenome and the microbiome enables the development of 'primed' crop varieties-an integrated strategy vital for safeguarding global food security amid intensifying environmental volatility.
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openalex_W7165789401 Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors R. Z. Sayyed, Mohammed Al-zharani, Mohammed Mubarak, Nicoleta Anca Şuţan, Dilfuza Egamberdieva, Abhishek Sharma, Nazih Y Rebouh, Jayanthi Barasarathi
Journal Journal of applied microbiology
Year 2026
DOI
10.1093/jambio/lxag149
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