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基因表达和酶活性的调节表明了单酸缩酶在面包小麦的发育和应激反应中的作用

Madhu¹, Alok Sharma¹, Amandeep Kaur¹

¹Department of Botany, Panjab University, Chandigarh 160014, India.

Plant science : an international journal of experimental plant biology

|October 25, 2023

概括

这项研究确定了面包小麦中的15个单酸缩酶 (MDHAR) 基因,揭示了它们在植物发育和对干旱和热等非生物应激反应中的作用.

科学领域:

植物生物化学植物生物化学
分子生物学分子生物学
遗传学是一个遗传学.

背景情况:

单酸缩酶 (MDHAR) 是酸-谷氨通路中的一个关键酶,对于清理活性氧物种至关重要.
了解MDHAR功能对于改善植物应激耐受性至关重要.

研究的目的:

在面包小麦 (Triticum aestivum) 中识别和表征单酸缩酶 (MDHAR) 基因.
研究TaMDHAR基因在植物发育和应激反应中的家族遗传关系,亚细胞定位和功能作用.

主要方法:

对TaMDHAR基因的遗传学分析.
保护领域和cis-regulatory元素的分析.
在各种组织和非生物性压力条件下 (干旱,热,盐) 基因表达概况.
研究与其他抗氧化酶,生物化学品,转录因子和microRNAs的相互作用.

主要成果:

在面包小麦中发现了15个TaMDHAR基因,分为三个分类基因组,具有不同的亚细胞局部 (氧体矩阵,氧体膜,叶绿体).
塔MDHAR蛋白质具有保留的Pyr_redox和Pyr_redox_2域.
表达式分析揭示了TaMDHARs在植物和生殖发育中的参与,以及在非生物压力下它们的差异调节.
证据表明,在甲酸盐-甲酸循环中具有协调功能,可能与辅酶信号交叉交谈,并通过特定的微RNAs进行调节.

结论:

该研究提供了面包小麦TaMDHAR基因家族的全面概述,突出了它们在发育和应激适应中的多样性作用.
需要进一步的研究来阐明个别TaMDHAR基因的特定功能.

关键词:

无生物应激应激是一种非生物应激.抗氧化剂抗氧化剂是一种抗氧化剂.关联监管要素关联监管要素表达式分析表达式分析相互作用分析相互作用分析单一酸酸盐可减少酶.

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