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在Zea mays在压力下对转运器基因家族的全基因组识别和表达分析

Yueli Wang¹, Ronglan Li^1,2, Yuanhao Guo¹

¹State Key Laboratory of Maize Bio-Breeding, National Maize Improvement Center, College of Agronomy and Biotechnology, China Agricultural University, Beijing 100193, China.

International journal of molecular sciences

|February 26, 2025

概括

玉米的生长受到的可用性限制. 识别酸盐转运体 (PHT) 基因是提高利用效率 (PUE) 和开发适应低条件的弹性玉米品种的关键.

科学领域:

植物分子生物学植物分子生物学
农业科学农业科学
遗传学遗传学是一个

背景情况:

是玉米的关键营养物质,但低的土壤限制了作物产量和稳定性.
提高利用效率 (PUE) 对可持续农业和高玉米生产率至关重要.
酸盐载体 (PHT) 蛋白对于植物的吸收,运输和利用至关重要.

研究的目的:

系统地识别和描述玉米中酸盐输送体 (PHT) 基因家族.
分析玉米PHT基因的遗传学关系,基因结构和表达模式.
为了确定参与玉米对低压力的反应的候选PHT基因.

主要方法:

在整个玉米基因组中系统识别PHT基因.
遗传学分析以确定进化关系.
基因结构和cis调节元素分析.
在不同的条件下进行转录组分析 (缺乏与正常).

主要成果:

确定了一组综合性玉米PHT基因,分布在所有10个染色体上.
PHT1亚家族是最丰富的,具有多样化的基因结构和在压力和激素调节中的潜在作用.
表达式分析揭示了组织和发育阶段特定的模式,突出了应激反应的ZmPHT1-3,ZmPHT1-4,ZmPHT1-10,ZmPHO1-H3等候选基因.

结论:

这项研究提供了玉米PHT基因家族的基础分析.
已识别的候选基因为提高效率的玉米品种的育种提供了宝贵的分子资源.
这些发现有助于制定改善玉米在含量有限的环境下的产量和稳定性的战略.

关键词:

在PHT家族中,PHT家族是PHT家族.低压力低压力玉米玉米玉米是一种压力反应应激反应

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