在不同持续时间的寒冷压力下,Trifolium ambiguum的动态转录和代谢学适应机制
Kefan Cao1,2, Sijing Wang3, Qian Wu2
1Institute of Grassland Research, Chinese Academy of Agricultural Science, 120 Wulanchabu East Street, Saihan District, Hohhot, 010010, China.
Scientific reports
|November 1, 2025
概括
这项研究揭示了T. ambiguum如何通过协调基因表达和新陈代谢来适应寒冷压力. 脂质和糖代谢等关键途径,以及植物激素信号传递,对于增强耐寒性至关重要.
科学领域:
- 植物生物学 植物生物学
- 环境应激反应环境应激反应
- 分子机制的分子机制
背景情况:
- 寒冷压力对植物生长和产量产生重大影响,气候变化加剧了这种影响.
- 植物使用复杂的代谢和转录基因网络来应对寒冷压力.
- 了解这些反应对于提高作物弹性至关重要.
研究的目的:
- 在长期寒冷压力下研究T. ambiguum的动态代谢和转录基因反应.
- 阐明T. ambiguum对寒冷的反应中的适应机制.
- 为了确定关键的途径和基因代谢物相互作用涉及寒冷适应.
主要方法:
- 代谢学和转录学数据的整合.
- 权重基因共同表达网络分析 (WGCNA) 的应用,用于基因代谢物网络的构建.
- 凯格缩分析以确定重要的代谢途径.
主要成果:
- 识别与寒冷反应相关的功能模块,包括脂质代谢,糖代谢和植物激素信号.
- 粉红色模块与脂质和糖代谢有关;黑色模块与激素信号和抗氧化剂反应有关.
- 糖脂代谢,素代谢和植物激素信号转导通路在寒冷适应中的协同作用.
结论:
- 双重的T.通过协调的转录基因和代谢调整增强了耐寒性.
- 在长期的寒冷压力下,细胞平衡和能量供应的动态调节至关重要.
- 提供了对寒冷适应机制和作物改善潜力的分子见解.
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