在模式识别受体中,从融合到设计
Wentao Yang1, Qi Wang1, Yanjing Lu2
1College of Life Sciences, Nanjing Agricultural University, Nanjing 210095, China.
Trends in plant science
|March 3, 2026
概括
植物利用模式识别受体 (PRR) 来检测病原体,但这些受体因物种而异. 在选择性冷冲击蛋白受体 (SCORE) 中发现了一个共享识别逻辑,使作物具有广泛的抗性.
科学领域:
- 植物免疫力 植物免疫力
- 分子识别分子识别
- 进化生物学是进化的生物学.
背景情况:
- 植物通过模式识别受体 (PRR) 检测病原体.
- PRRs表现出显著的物种间变异,使广泛的病原体检测复杂化.
- 细菌冷震蛋白质是保存的病原体效应体.
研究的目的:
- 研究植物病原体识别的进化基础.
- 为了确定细菌冷震蛋白的保存识别机制.
- 为广泛的作物保护设计增强的植物免疫受体.
主要方法:
- 在植物物种中对PRR演变的比较分析.
- SCORE的结构生物学和X射线晶体学.
- 合成SCORE变体的结构指导蛋白质工程.
主要成果:
- 融合进化导致了SCORE对细菌冷震蛋白的共享识别逻辑.
- 结构引导设计产生了具有扩展检测能力的合成SCORE变体.
- 工程 SCORE 赋予了强大的,广泛的耐药性对各种细菌病原体.
结论:
- 融合进化可以在物种之间建立保存的免疫识别逻辑.
- 通过工程 PRR 来准保存的病原体作用因子,为持久的作物耐药性提供了一个可行的策略.
- SCORE是开发下一代广谱作物保护解决方案的有希望的平台.
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