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基于米CAMTA家族的序列分析:哈普洛型和网络分析

Nattana Thongsima^1,2, Prasit Khunsanit^2,3, Sarunkorn Navapiphat²

¹Program in Bioinformatics and Computational Biology, Graduate School, Chulalongkorn University, Bangkok, 10330, Thailand.

Scientific reports

|October 4, 2024

概括

在日本大米中,calmodulin-binding转录激活器 (CAMTA) 基因家族在发育和盐应激反应中发挥作用. 对于盐应激耐受性来说,CAMTA1特别重要,鉴定到的目标基因为未来研究提供了基础.

科学领域:

植物分子生物学植物分子生物学
基因组学就是基因组学.
压力生理学压力生理学

背景情况:

卡尔莫杜林结合转录激活剂 (CAMTA) 基因家族对于植物应激反应至关重要.
而在日本大米 (Oryza sativa ssp. 在日本大米中存在七个CAMTA基因. 它们的内部特异性变化和特定功能在很大程度上仍未被描述.

研究的目的:

综合分析日本大米中CAMTA基因的结构,特征和功能作用.
确定由CAMTA调节的候选基因,阐明它们在应激反应和发育中的参与.

主要方法:

生物信息学方法和RT-qPCR被用于评估CAMTA基因.
分析包括单核酸多态,单核型分析,与表型特征的关联研究,共表达分析和相互作用网络分析.
为了功能验证,生成了CRISPR-Cas9淘汰突变系.

主要成果:

在3,024个米加入中,确定了527个单核酸多态,导致5-14个单核酸类型.
关联分析显示,在具有明显CAMTA单元型的米子群中,与谷物重量和盐应激耐受性相关的表型差异.
同表达和相互作用分析确定了候选目标基因,其中CAMTA1因其在盐应激反应中的重要作用而被突变表型支持.

结论:

日本大米中的CAMTA基因家族涉及植物发育和盐应激反应.
通过CAMTA调节的候选目标基因被确定,为进一步对这些重要基因的功能特征提供了基础.

关键词:

米树种 (Oryza sativa ssp. ssp.) 是一种植物. 在日本,日本是日本的.在CAMTACAMTA中使用.盐的压力是盐的压力.压力反应应对压力.

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