克服米的压力增长和产量质量权衡
Nai-Qian Dong1, Hong-Xuan Lin2
1State Key Laboratory of Plant Trait Design, CAS Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai 200032, China.
Cell reports
|June 12, 2025
概括
热应激会损害米粒的质量和产量. 一种自然变异,QT12,由NF-Y转录因子调节,通过维持内精存储恒温来改善耐热性.
科学领域:
- 植物科学 植物科学
- 遗传学 遗传学 是一个
- 农业 农业 农业 农业
背景情况:
- 热应激对大米产量产生重大影响,影响谷物质量和产量.
- 维持内精子储存物质的稳态对于减轻热应激损伤至关重要.
研究的目的:
- 确定导致大米耐热性的遗传因素.
- 阐明大米热应激反应的调节机制.
主要方法:
- 研究了大米对于耐热性特征的自然变化.
- 分析了NF-Y转录因子在调节热耐性的作用.
- 评估了QT12在热应激下对内储物物质恒温的影响.
主要成果:
- 确定了一种自然变异,QT12,可以增强大米的耐热性.
- QT12受NF-Y转录因子的调节.
- 这种变异通过在热应激下保持内储存物质恒温,提高了谷物质量和产量.
结论:
- NF-Y转录因子和QT12在米的热耐受性中起着至关重要的作用.
- 准QT12为开发适应气候变化的米品种提供了潜在的战略.
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