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首页> 外文期刊>Trends in Plant Science >Inositol (1,4,5)-trisphosphate: first in the hyperosmotic stress response?
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Inositol (1,4,5)-trisphosphate: first in the hyperosmotic stress response?

机译：肌醇（1,4,5）-三磷酸酯：首先发生在高渗应激反应中？

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Salt and drought stresses constitute widespread challenges faced by plants in natural ecosystems as well as in agriculture. Normally, plants respond and adapt to stress by making physiological, developmental and biochemical changes. The development or appearance of tolerance to stress triggers a complex set of cellular interactions that ultimately result in altered expression patterns of numerous genes involved in the adaptive response. Although there have been few studies concerning the early events that induce adaptive processes, two responses have been defined: rapid changes in cytosolic free Ca2+ concentration and rapid rises in cellular levels of inositol (1,4,5)-trisphosphate [Ins(1,4,5)P_3]. Although it is known that the induction of gene-encoding enzymes of the plant phosphoinositide cycle can be triggered by hyperosmotic stress, little detailed information is currently available about the immediate effects of hyperosmotic stress on phosphoinositide-metabolizing enzymes and Ins(1,4,5)P_3 generation.
机译：盐和干旱胁迫构成了自然生态系统以及农业中植物所面临的广泛挑战。通常，植物通过发生生理，发育和生化变化来响应并适应胁迫。压力耐受性的发展或出现会触发一系列复杂的细胞相互作用，最终导致适应性反应中涉及的许多基因的表达模式发生变化。尽管很少有关于诱发适应性过程的早期事件的研究，但已定义了两种反应：胞浆中游离Ca2 +浓度的快速变化和肌醇（1,4,5）-三磷酸[Ins（1， 4,5）P_3]。虽然已知高渗胁迫可以诱导植物磷酸肌醇循环的基因编码酶的诱导，但目前尚无关于高渗胁迫对磷酸肌醇代谢酶和Ins（1,4,5）的即时影响的详细信息。 ）P_3代。

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