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Triacontanol is a potent alleviator of stress induced by salt and heavy metal contamination in plants
Rhizosphere ( IF 3.7 ) Pub Date : 2023-12-03 , DOI: 10.1016/j.rhisph.2023.100822
Shamiya Jahan , Sheela Rautela , Aman Sobia Chishti , Deepti Shankhdhar , S.C. Shankhdhar , Alok Srivastava , Sanjay Kumar Garg

Overindulgence of heavy metal and salt in soil can lead to contamination and have detrimental effects on agricultural crops. These pollutants abound in soil, trigger oxidative stress in plants, disrupt metabolic processes, and ultimately impede the growth and development. Moreover, biomagnifications of these soil pollutants in foods obtained from plants bring ailments in humans as well. The most convincing and economical way to reconcile the repercussions of contaminated soil on plants is phytohormone supplementation. In this way, triacontanol (TRIA, n-C30H61OH), a primary alcohol derived from epicuticular waxes, is ascribed to offer promising roles in the alleviation of soil contamination. Like other plant-derived hormones, triacontanol saliently impacts nitrogen fixation, photosynthesis, transpiration, nutrient uptake, and fruit ripening. However, it primarily strengthens the defense system and protects the plants from stress exacerbated by soil contamination. L (+)-adenosine is a secondary messenger of triacontanol that commences the signal transduction pathway of MYC46, PAL, aquaporins (AQPs), and chlorophyll metabolism-linked genes. Tricontanol mediates plant responses to stress through its interaction with JA, SA, and ethylene. This review attempts to assemble published information about triacontanol, with a particular focus on its potential role in crop growth and yield improvement over soil contamination.



中文翻译:

三十烷醇是植物盐和重金属污染引起的应激的有效缓解剂

土壤中过多的重金属和盐会导致污染并对农作物产生有害影响。这些污染物在土壤中大量存在,引发植物的氧化应激,扰乱代谢过程,最终阻碍生长和发育。此外,从植物中获得的食物中这些土壤污染物的生物放大作用也会给人类带来疾病。协调受污染土壤对植物影响的最令人信服和最经济的方法是补充植物激素。通过这种方式,三十烷醇(TRIA,nC30H61 OH),一种源自表皮蜡的伯醇,被认为在减轻土壤污染方面具有良好的作用。与其他植物源激素一样,三十烷醇显着影响固氮、光合作用、蒸腾作用、养分吸收和果实成熟。然而,它主要是加强防御系统并保护植物免受土壤污染加剧的压力。L (+)-腺苷是三十烷醇的第二信使,启动MYC46、 PAL、水通道蛋白 (AQP) 和叶绿素代谢相关基因的信号转导途径。三十烷醇通过与 JA、SA 和乙烯的相互作用介导植物对胁迫的反应。本综述试图汇集有关三十烷醇的已发表信息,特别关注其在作物生长和提高产量(防止土壤污染)方面的潜在作用。

更新日期:2023-12-07
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