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纳米启用增强大麦盐应激耐受性使用素-纳米颗粒:生理和分子见解

Fatemeh Gholizadeh¹, Zahra Tahmasebi², Tibor Janda³

¹Department of Plant Physiology and Metabolomics, Agricultural Institute, HUN-REN Centre for Agricultural Research, Martonvásár, 2462, Hungary. fatemeh.gholizadeh@atk.hun-ren.hu.

Scientific reports

|March 3, 2026

概括

素-纳米颗粒 (Cs-Se NPs) 显著增强大麦的功效.

科学领域:

农业科学农业科学
植物科学植物科学
生物技术是生物技术.

背景情况:

盐度压力是全球范围内限制作物产量的主要非生物压力.
大麦 (Hordeum vulgare L.) 是一种重要的谷物作物,容易受到盐应激.
制定改善作物盐分耐受性的策略对于粮食安全至关重要.

研究的目的:

研究素 (Cs), (Se) 和Cs-Se纳米颗粒 (Cs-Se NPs) 在改善大麦盐耐受性的有效性.
评估Cs-Se NPs介导的盐耐受性背后的生理和分子机制.
为了比较两个大麦品种在不同盐度下处理的效果.

主要方法:

两种大麦品种 (Mv Initium和Tectus) 接受了0,100和200毫米的NaCl.
进行了色素,和色素-纳米颗粒的叶子应用.
评估了植物生长参数,叶绿素含量,林积累,抗氧化酶活动 (APX,CAT),基因表达 (抗氧化酶,离子平衡) 和ROS清理.

主要成果:

盐度显著降低了植物的高度,生物质和叶绿素含量.
在盐应激下,Cs-Se NPs的应用显著改善了生长特征和叶绿素含量.
Cs-Se NPs增强了proline积累,抗氧化酶活动 (APX,CAT),并调高了关键的抗氧化剂和离子平衡基因,表明改善了ROS排毒和离子平衡.

结论:

素-纳米粒子有效地增强大麦的生理和分子防御机制,防止盐度压力.
Cs-Se NPs通过提高抗氧化能力,proline积累和离子稳态来改善盐分耐受性.
这项研究强调了Cs-Se NP的潜力,作为改善盐水环境中大麦种植的有希望的策略.

关键词:

大麦大麦,大麦大麦,大麦大麦,大麦大麦.奇托-纳米颗粒奇托-纳米颗粒基因表达基因表达基因表达盐的压力是盐的压力.

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