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Keywords = epibreeding

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16 pages, 1035 KB  
Article
Quantifying Intergenerational Plasticity in Tomato: Temporal Divergence as a Cost-Effective Survival Strategy Against Drought Following Parental Ultrasound Priming
by Dóra Farkas and Judit Dobránszki
Horticulturae 2026, 12(4), 422; https://doi.org/10.3390/horticulturae12040422 - 30 Mar 2026
Viewed by 495
Abstract
Understanding intra- and intergenerational adaptive strategies is essential for developing resilient crops. This study investigated these dynamics in Solanum lycopersicum L. cv. Micro-Tom by subjecting parental plants to ultrasound priming and drought stress, followed by drought treatment in the progeny. We introduced the [...] Read more.
Understanding intra- and intergenerational adaptive strategies is essential for developing resilient crops. This study investigated these dynamics in Solanum lycopersicum L. cv. Micro-Tom by subjecting parental plants to ultrasound priming and drought stress, followed by drought treatment in the progeny. We introduced the Intergenerational Plasticity Ratio (IPR) as a framework to quantify how stress-response strategies shift across generations. Our results reveal a divergence in adaptation: while parental plants prioritize immediate survival through morphological reductions, the progeny exhibit refined phenological shifts as a cost-effective mechanism. The results suggest that ultrasound may serve as a priming stimulus, preparing internal signaling pathways for heightened stress readiness. These phenotypic shifts suggest that ultrasound-based priming could be explored as a potential non-chemical approach to influence crop resilience. This may allow plants to exhibit adaptive developmental timing in response to specific stressors; however, further research is needed to determine the scalability and stability of these effects across different environments. Full article
(This article belongs to the Special Issue Decoding Plant Physiology in Abiotic Stress Conditions)
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17 pages, 741 KB  
Review
Epigenetic Landmarks of Leaf Senescence and Crop Improvement
by Agnieszka Ostrowska-Mazurek, Piotr Kasprzak, Szymon Kubala, Magdalena Zaborowska and Ewa Sobieszczuk-Nowicka
Int. J. Mol. Sci. 2020, 21(14), 5125; https://doi.org/10.3390/ijms21145125 - 20 Jul 2020
Cited by 27 | Viewed by 5298
Abstract
This review synthesizes knowledge on epigenetic regulation of leaf senescence and discusses the possibility of using this knowledge to improve crop quality. This control level is implemented by different but interacting epigenetic mechanisms, including DNA methylation, covalent histone modifications, and non-covalent chromatin remodeling. [...] Read more.
This review synthesizes knowledge on epigenetic regulation of leaf senescence and discusses the possibility of using this knowledge to improve crop quality. This control level is implemented by different but interacting epigenetic mechanisms, including DNA methylation, covalent histone modifications, and non-covalent chromatin remodeling. The genetic and epigenetic changes may act alone or together and regulate the gene expression, which may result in heritable (stress memory) changes and may lead to crop survival. In the review, the question also arises whether the mitotically stable epigenetic information can be used for crop improvement. The barley crop model for early and late events of dark-induced leaf senescence (DILS), where the point of no return was defined, revealed differences in DNA and RNA modifications active in DILS compared to developmental leaf senescence. This suggests the possibility of a yet-to-be-discovered epigenetic-based switch between cell survival and cell death. Conclusions from the analyzed research contributed to the hypothesis that chromatin-remodeling mechanisms play a role in the control of induced leaf senescence. Understanding this mechanism in crops might provide a tool for further exploitation toward sustainable agriculture: so-called epibreeding. Full article
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