细菌的定数灭通过跨王国信号传递来塑造类菌群
Ayesha Ahmed1, Yinglong Liu1, Pengbo He1
1State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan Agricultural University, Kunming, China.
The Science of the total environment
|October 25, 2024
概括
细菌细菌的定数灭 (QQ) 调节有益的真菌,而QQ突变物丰富类中有害的病原体. 这项研究将细菌通信与植物微生物群的健康和疾病结果联系起来.
科学领域:
- 微生物生态学 微生物生态学
- 植物病理学 植物病理学
- 细菌的定数检测感应器
背景情况:
- 由细菌和真菌组成的微生物组对于生态系统的可持续性至关重要.
- 微生物干预越来越多地用于微生物组操纵.
- 生物控制剂对真菌群落和王国间信号传递的影响尚不清楚.
研究的目的:
- 调查野生型 (WT) 细菌细菌及其定数灭 (QQ) 突变物如何影响黄龙 (HLB) 感染的真菌群落 (菌群).
- 探索细菌定数感应 (QS) 和QQ在塑造菌生物组结构和功能中的作用.
- 建立细菌QS,真菌生物组合和类植物疾病结果之间的联系.
主要方法:
- 单独和作为联盟的WT Bacillus subtilis L1-21及其QQ突变 (L1-21Δytnp,L1-21Δyxel) 的应用.
- 对树叶内层,根内层和树根层土壤中的真菌生物组丰富模式的分析.
- 的功能预测,以评估致病菌的丰富性.
主要成果:
- WT B. subtilis的应用丰富了叶子内层中的Trichoderma等有益的真菌.
- QQ突变导致了不同类的病原性真菌 (Fusarium,Gibberella,Nigrospora) 在不同类的区间中的丰富.
- 与WT相比,经过突变处理的植物显示出更高的真菌病原体丰富度,特别是在叶子内层.
结论:
- 细菌细菌QQ修改细菌QS网络,促进有益的真菌的建立.
- 在B. subtilis突变体中失去QQ会导致致病性真菌群的丰富.
- 细菌的QS和QQ系统直接影响真菌生物组合,并与类病的结果有关.
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