基性选择的微生物组减轻了植物表现的化学抑制
Daniel Revillini1, Aaron S David2, Alma L Reyes1
1Department of Biology, University of Miami, 1301 Memorial Drive, Coral Gables, Florida, 33146, USA.
The New phytologist
|September 22, 2023
概括
植物之间的化学抑制,改变了土壤微生物组. 这些改变的微生物组反过来又可以影响植物生长和生产力,为应激下的植物微生物相互作用提供了新的视角.
科学领域:
- 生态生态学 生态生态学
- 微生物学 微生物学
- 植物科学 植物科学
背景情况:
- 基病在很大程度上塑造了植物群落和土壤微生物群.
- 基化学物质对微生物群落的直接影响及其在调解植物反应中的作用仍未得到充分研究,特别是在自然的基治疗环境中.
研究的目的:
- 为了研究异构病对土壤微生物组结构的影响.
- 确定这些微生物组变化如何影响植物发芽和生产力.
- 探索微生物组在植物对异构病的反应中的调解作用.
主要方法:
- 在13种植物物种中进行了社区范围的调查.
- 将占主导地位的本地基因基因化学物质添加到土壤中,以评估其影响.
- 分析了细菌和真菌分类,组成,丰度和预测的功能基因的变化.
- 测量了植物的发芽和生产力.
主要成果:
- 基性压力显著改变了核心细菌和真菌种类,细菌组成和关键功能种类的丰富性.
- 预测的细菌功能基因也显示了在后的显著变化.
- 土壤微生物组调解了植物的表现,部分地减轻了对植物生产力的异构病的负面影响.
结论:
- 土壤微生物对基化学物质敏感,微生物群落结构和功能发生重大变化.
- 微生物调解在异构压力下对植物的表现起着作用.
- 生态压力因素的频率,如基病,可以预测微生物组介导相互作用的强度.
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