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在利用和非生物应激耐受性中MdNRT1.1的识别和功能性表征在Malus domestica中

Guodong Liu¹, Lin Rui¹, Yuying Yang¹

¹National Key Laboratory of Crop Biology, National Research Center for Apple Engineering and Technology, College of Horticulture Science and Engineering, Shandong Agricultural University, Tai'an 271018, China.

International journal of molecular sciences

|June 10, 2023

概括

果果果果果果果是什么意思

科学领域:

植物生物学植物生物学
分子生物学分子生物学
农业科学农业科学

背景情况:

酸盐运输体 (NRT) 对植物的吸收和运输至关重要.
已知NRT1.1蛋白质在酸盐同化和非生物应激反应中起着双重作用.
在果 (*Malus domestica*) 的酸盐吸收和生长中,MdNRT1.1的特定功能在很大程度上仍未被描述.

研究的目的:

为了克隆和功能性地描述果酸盐输送基因, *MdNRT1.1*.
研究 *MdNRT1.1* 在调节果植物生长和利用中的作用.
为了确定 *MdNRT1.1* 对植物无生物应激耐受性的参与.

主要方法:

果的克隆 *MdNRT1.1* 基因.
在酸盐处理下分析*MdNRT1.1*转录水平.
通过果的过度表达和Arabidopsis thaliana的宫外表达的功能分析.

主要成果:

酸盐治疗显著上调 *MdNRT1.1* 基因表达.
过度表达 *MdNRT1.1* 增强了根部的发育,改善了果植物的利用.
在Arabidopsis中*MdNRT1.1*的宫外表达导致对干旱,盐和酸 (ABA) 压力的耐受性降低.

结论:

MdNRT1.1 是果植物中的一个功能性酸盐运输体.
MdNRT1.1在调节果中酸盐的吸收,利用和根生长方面发挥着重要作用.
MdNRT1.1参与调节植物对非生物应激反应,这表明它在应激耐受机制中发挥了作用.

关键词:

在MdNRT1.1中使用.无生物压力耐受性无生物压力耐受性这是一种激素反应的激素反应.吸收酸盐的时间

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