全球基因调节网络 基础的miR165a在阿拉比多普西斯射门的顶端美里系统
Sonali Sinha1, Sudeep Sahadevan2, Carolyn Ohno2,3
1National Institute of Plant Genome Research (NIPGR), Aruna Asaf Ali Marg, JNU Campus, New Delhi, 110067, India.
Scientific reports
|December 14, 2023
概括
微RNA165a (miR165a) 通过向HD-ZIPIII基因来调节植物的发育. 这项研究确定了参与miR165a介导的发育变化的关键基因,包括影响器官形成和极性的基因.
科学领域:
- 植物分子生物学 植物分子生物学
- 发展生物学 发展生物学
- 遗传学 是一个遗传学.
背景情况:
- 微RNA165a (miR165a) 对于植物发育至关重要,它调节了III类家庭主体白-拉链 (HD-ZIPIII) 转录因子.
- 过度表达miR165a导致表型模仿HD-ZIPIII功能丧失,包括发育缺陷,但潜在机制尚不清楚.
研究的目的:
- 阐明通过miR165a和HD-ZIPIII转录因子调节植物发育的分子机制.
- 为了识别新型基因和受miR165a影响的途径,在射击上角性髓系统 (SAM) 中.
主要方法:
- 在阿拉比多普西斯中,甲诱导的miR165a过度表达.
- RNA测序 (RNA-Seq) 用于识别SAM中差异表达的基因.
- 多通道光激活细胞分类 (FACS) 结合RNA-Seq分析细胞类型特定的转录组.
主要成果:
- 鉴定的基因通过miR165a进行上调和下调,与miR165a和HD-ZIPIII表达模式相关联.
- 已确认已知发育基因的下调,如HD-ZIPIIIs,LITTLE ZIPPERs和与auxin相关的基因.
- 突出调节GIBBERELLIN 2-OXIDASES,基本传递体 (例如YSL3,ZIFL1,SULTR) 和其他传递体基因.
结论:
- 这项研究揭示了miR165a和HD-ZIPIII介导的植物发育和应激反应中的新型分子参与者.
- 鉴定出来的基因组提供了对复杂的调节网络的见解,这些网络控制着植物的有机生殖和极性.
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