Priming-a state of alert against environmental stress challenges in plants

IF 2.2 Q3 GENETICS & HEREDITY

Plant Gene Pub Date : 2025-04-06 DOI:10.1016/j.plgene.2025.100513

Divya Chaudhary , Himanshi Aggarwal , Banpreet Kaur , Himani Agarwal , Arghyabrata Das , Ajay Kumar , Vaibhav Mishra , Prashant Kumar Singh , Naveen Chandra Joshi

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Abstract

The changing climatic conditions have led many plants to restrict their growth and suppress their yield. In their struggle for survival, plants employ unique strategies that help them grow under extreme weather conditions and challenging biotic interactions. Plants can enhance their tolerance through a key process called priming, which strengthens their immune system's response to stimuli from pathogens, beneficial microbes, chemicals, and abiotic cues. Priming provides long-term stress resistance to plants and is based on a rapid and robust defence response to environmental stress conditions. A milder form of stress or chemicals, such as sodium selenite, melatonin, β-aminobutyricacid, polyamines, calcium, zinc, hydrogen peroxide, hydrogen sulfide and sodium hydrosulphide, are used to preactivate plant defence mechanisms. These chemicals play crucial role in stabilizing plant growth by empowering plants to activate their own defence mechanisms and combat unforeseen stressors. This review primarily explores the role of priming phenomena and the mechanisms that enable plants to withstand stressful environmental conditions in their natural habitat.

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报春花--植物应对环境压力挑战的警戒状态

不断变化的气候条件导致许多植物生长受限，产量下降。在生存斗争中，植物采用了独特的策略，帮助它们在极端的天气条件和具有挑战性的生物相互作用下生长。植物可以通过一种称为 "启动 "的关键过程来增强自身的耐受力，从而加强免疫系统对病原体、有益微生物、化学物质和非生物线索刺激的反应。诱导可为植物提供长期的抗逆性，其基础是对环境胁迫条件做出快速而强有力的防御反应。亚硒酸钠、褪黑激素、β-氨基丁酸、多胺、钙、锌、过氧化氢、硫化氢和硫氢化钠等较温和的胁迫或化学物质可用于预激活植物防御机制。这些化学物质在稳定植物生长方面发挥着至关重要的作用，使植物能够激活自身的防御机制，对抗不可预见的压力。本综述主要探讨预激活现象的作用以及使植物能够在自然栖息地抵御压力环境条件的机制。

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来源期刊

Plant Gene Agricultural and Biological Sciences-Plant Science

CiteScore

4.50

自引率

0.00%

发文量

审稿时长

51 days

期刊介绍： Plant Gene publishes papers that focus on the regulation, expression, function and evolution of genes in plants, algae and other photosynthesizing organisms (e.g., cyanobacteria), and plant-associated microorganisms. Plant Gene strives to be a diverse plant journal and topics in multiple fields will be considered for publication. Although not limited to the following, some general topics include: Gene discovery and characterization, Gene regulation in response to environmental stress (e.g., salinity, drought, etc.), Genetic effects of transposable elements, Genetic control of secondary metabolic pathways and metabolic enzymes. Herbal Medicine - regulation and medicinal properties of plant products, Plant hormonal signaling, Plant evolutionary genetics, molecular evolution, population genetics, and phylogenetics, Profiling of plant gene expression and genetic variation, Plant-microbe interactions (e.g., influence of endophytes on gene expression; horizontal gene transfer studies; etc.), Agricultural genetics - biotechnology and crop improvement.