战胜热度:育种,基因组学和基因编辑为大米的高夜间温度耐受性
Vibha Srivastava1, Christian De Guzman1, Samuel B Fernandes1
1Department of Crop, Soil, and Environmental Sciences, University of Arkansas System Division of Agriculture, Fayetteville, AR, USA.
Current opinion in plant biology
|November 14, 2024
概括
高夜间温度 (HNT) 严重影响到大米的产量和质量,降低了生育能力,增加了谷物. 研究正在推进用于HNT耐受性的育种和基因编辑,尽管在识别合适品种方面仍然存在挑战.
科学领域:
- 农业科学 农业科学
- 植物育种 植物育种
- 遗传学 是一个遗传学.
背景情况:
- 高夜间温度 (HNT) 对全球大米产量构成重大威胁.
- HNT通过降低尖端的生育能力和诱导谷物,导致产量和质量下降,对大米产生负面影响.
研究的目的:
- 审查了解和改善大米对高夜间温度的耐受性方面的最新进展.
- 突出表型多样性,育种,基因组学和基因编辑对HNT耐受性的进展.
主要方法:
- 关于大米中HNT影响的当前文献的综述.
- 分析与HNT耐受性相关的表型数据和遗传研究.
- 检查育种策略和基因编辑方法,以开发耐受HNT的米品种.
主要成果:
- HNT耐受性主要存在于非适应的米品种中,在现代品种中取得的成功有限.
- 基因组研究已经确定了耐受性基因型,为先进的育种技术铺平了道路.
- 基因编辑为开发耐HNT米提供了一个有前途的途径.
结论:
- 尽管面临挑战,但最近的研究为开发具有改善HNT耐受性的大米品种提供了坚实的基础.
- 解决HNT对于减轻全球大米生产产量和质量损失至关重要.
- 在育种,基因组学和基因编辑方面的持续研究对于应对夜间温度上升的威胁至关重要.
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