在lncRNA1-miR6288b-3p-PpTCP4-PpD2模块调节桃子分支的数量通过影响brassinosteroid生物合成
Xiaobei Wang1,2,3, Lixia Yan1, Tianhao Li1
1College of Horticulture, Henan Agricultural University, 218 Pingan Road, Zhengzhou, 450046, China.
The New phytologist
|June 14, 2024
概括
一个新的lncRNA1-miR6288b-3p-PpTCP4-PpD2模块调节了桃子的分支. lncRNA1的遗传变异影响了类固醇 (BR) 含量和分支,揭示了控制果树结构的新机制.
科学领域:
- 植物分子生物学 植物分子生物学
- 果树遗传学 果树遗传学
- 农业学是一种农业学.
背景情况:
- 分枝是果树 (如桃子) 的关键农学特征.
- 长非编码RNAs (lncRNAs) 和microRNAs (miRNAs) 在分支中的调节作用,特别是通过转录因子,尚不清楚.
研究的目的:
- 阐明类固醇 (BRs) 影响桃子植物分枝的分子机制.
- 确定关键的遗传组件和监管模块,参与控制桃花枝数.
主要方法:
- 支柱 ("Zhaoshouhong") 和标准 ("Okubo") 桃子品种的比较分析.
- 分子克隆,基因表达分析和遗传变异识别.
- 外源性BR应用和基因过度表达研究.
主要成果:
- 柱状桃子表现出较低的sylleptic分支数和BR含量,它们通过异源BR应用得到增强.
- 确定了一种涉及lncRNA1,miR6288b-3p,PpTCP4和PpD2的新型调节模块.
- 在lncRNA1促进体中的遗传变异与PpTCP4和BR含量的差异表达相关,影响桃子分支.
结论:
- 提出了一种通过lncRNA1-miR6288b-3p-PpTCP4-PpD2模块调节桃子分支数的新机制.
- lncRNA1变异是控制桃子分支和BR生物合成的关键因素,为繁殖提供了潜在的目标.
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