抑制菌疾病的土壤将保护性的核心微生物群传递到植物圈
Jelle Spooren1, Yadong Shao1, Tilda Tarrant1
1Department of Biology, Plant-Microbe Interactions Institute of Environmental Biology Science4Life, Utrecht University, 3584, CH, Utrecht, The Netherlands.
The ISME journal
|February 11, 2026
概括
被菌感染的植物会发展出抑制疾病的土壤微生物组. 这种土壤传递的遗产传递保护性的叶子微生物,增强植物的抵抗力,并揭示了植物界作为一个关键的微生物组装中心.
科学领域:
- 植物病原体相互作用
- 微生物组组合组合的微生物组.
- 植物免疫力 植物免疫力
背景情况:
- 植物利用抑制疾病的土壤微生物组来对抗病原体的攻击.
- 被Hyaloperonospora arabidopsidis (Hpa) 感染的Arabidopsis thaliana会产生一种由土壤传播的遗传物 (SBL),从而提高后续作物的耐药性.
- 在植物植物界中丰富的Hpa相关微生物群 (HAM) 抑制病原体的增殖.
研究的目的:
- 阐明植物圈中保护性HAM组合如何促进抑制疾病的SBL.
- 确定核心HAM社区,了解他们的利基和传播动态.
主要方法:
- 在多个实验中,从Hpa感染的Arabidopsis thaliana中特征化了植物界微生物群.
- 利用 gnotobiotic Hpa 子研究在疾病压力下的 de novo HAM 组装.
- 评估了从SBL调节的植物中洗掉的叶子的抑制疾病的能力.
主要成果:
- 确定了25个HAM的核心社区,持续主导受感染的植物植物界.
- 在持续的 Hpa 感染下,证明了 HAM 的 de novo 和渐进的丰富.
- 显示HAM是植物界专家,由疾病诱导的组装开始在地面上.
- 证实,从SBL调节的植物中洗掉的叶子有效地抑制了菌.
结论:
- 抑制疾病的土壤将保护性的核心微生物群传递到植物圈.
- 突出了地下和地表植物驱动微生物组组合之间的关键联系.
- 植物圈作为疾病抑制土壤微生物组的组装的中心枢纽.
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