在镉暴露前添加水杨酸可促进小麦生长,但不能完全逆转镉对膜甘油三酯的影响。

IF 3.4 3区 生物学 Q1 PLANT SCIENCES Plant Biology Pub Date : 2024-11-14 DOI:10.1111/plb.13736
N. Colak, A. Kurt-Celebi, M. R. Roth, R. Welti, H. Torun, F. A. Ayaz
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引用次数: 0

摘要

镉(Cd)是一种非生物胁迫因子,会对植物生长产生负面影响并降低作物产量。本研究探讨了镉 (25 μM) 和水杨酸 (SA) (500 μM) 对两种小麦栽培品种(Triticum aestivum L. 'Tosunbey' 和 'Cumhuriyet')的形态、生理和甘油脂变化的影响。测量的参数包括根和叶的长度、鲜生物量和干生物量、镉浓度、渗透势 (ψ)、脂质过氧化、极性脂质种类以及叶绿素 a、类胡萝卜素和 fv/fm。与对照组相比,镉处理严重抑制了根和叶片的新鲜生物量以及叶片长度,但与单用镉处理相比,SA + 镉处理显著增加了根和叶片的新鲜生物量以及叶片长度。与对照组相比,镉降低了叶片的叶绿素 a、类胡萝卜素和 fv/fm 水平。与单用镉处理相比,用 SA + Cd 处理可提高色素水平和 fv/fm。镉处理导致两个品种的叶片总膜脂质 DW 下降,叶片和根部的单半乳糖基二乙酰甘油和磷脂酸水平降低。SA 诱导和 SA + Cd 处理对脂质含量和组成的影响具有栽培品种特异性,表明脂质代谢可能不是 SA 修复镉对小麦生长发育的破坏作用的主要目标。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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Salicylic acid priming before cadmium exposure increases wheat growth but does not uniformly reverse cadmium effects on membrane glycerolipids

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来源期刊
Plant Biology
Plant Biology 生物-植物科学
CiteScore
8.20
自引率
2.60%
发文量
109
审稿时长
3 months
期刊介绍: Plant Biology is an international journal of broad scope bringing together the different subdisciplines, such as physiology, molecular biology, cell biology, development, genetics, systematics, ecology, evolution, ecophysiology, plant-microbe interactions, and mycology. Plant Biology publishes original problem-oriented full-length research papers, short research papers, and review articles. Discussion of hot topics and provocative opinion articles are published under the heading Acute Views. From a multidisciplinary perspective, Plant Biology will provide a platform for publication, information and debate, encompassing all areas which fall within the scope of plant science.
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