转酶PagTAL1调节ROS恒温,以改善Populus中的热应激耐受性
Xinyuan Wu1, Yufen Bu1, Cheng Pan1
1State Key Laboratory of Tree Genetics and Breeding, College of Biological Sciences and Technology, Beijing Forestry University, No. 35 Qinghua East Road, Beijing, 100083, China; National Engineering Research Center of Tree Breeding and Ecological Restoration, Beijing Forestry University, No. 35 Qinghua East Road, Beijing, 100083, China; The Tree and Ornamental Plant Breeding and Biotechnology Laboratory of National Forestry and Grassland Administration, Beijing Forestry University, No. 35 Qinghua East Road, Beijing, 100083, China.
Plant physiology and biochemistry : PPB
|September 27, 2025
概括
这是一棵树.
科学领域:
- 植物生物学 植物生物学
- 分子生物学分子生物学
- 生物化学 生物化学
背景情况:
- 高温会影响植物生长.
- 转酶 (TAL) 对于植物生长至关重要.
- 木对热应激的反应尚未完全理解.
研究的目的:
- 描述树转酶基因的特征,PagtAL1.1.
- 研究PagTAL1在耐热性中的作用.
- 确定 PagTAL1.1 的监管机制.
主要方法:
- 基因鉴定和特征化.
- 组织特异性表达分析.
- 代谢概况. 代谢概况.
- 在热应激下进行表型分析.
- 在CRISPR/Cas9基因编辑中.
- 双露西法酶测定.双露西法酶测定.
主要成果:
- PagTAL1局限于叶绿体,并表现出差异性表达.
- 通过ROS清理,PagTAL1可以增强耐热性.
- 过度表达提高了耐热性;淘汰会增加灵敏度.
- PagMYB94 直接激活了 PagTAL1 的表达.
结论:
- 帕格塔尔1是木耐热性的关键调节剂.
- 通过ROS清理,PagTAL1可以减轻热应激.
- PagTAL1是工程耐热树的潜在目标.
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