期刊
FUNCTIONAL ECOLOGY
卷 34, 期 10, 页码 2158-2169出版社
WILEY
DOI: 10.1111/1365-2435.13624
关键词
chemical structure; plant-derived low-molecular weight compounds; soil microbiome; soil suppressiveness
类别
资金
- National Key Research and Development Program of China [2018YFD1000800]
- National Natural Science Foundation of China [31801952, 41471213, 41922053]
- Natural Science Foundation of Jiangsu Province [BK20170085, BK20181068]
- Natural Science Research Program of Huaian [HAB201829]
- Netherlands Organisation for Scientific Research (NWO) Project [ALW. 870.15.050]
- Koninklijke Nederlandse Akademie van Wetenschappen (KNAW) Project [530-5CDP18]
- Royal Society [RSG\R1\180213, CHL\ R1\180031]
- UKRI
- Defra
- Scottich Government
- Strategic Priorities Fund Plant Bacterial Diseases Programme [BB/T010606/1]
- NWO-VENI [016.Veni.181.078]
Plant-derived low-molecular weight compounds play a crucial role in shaping soil microbiome functionality. While various compounds have been demonstrated to affect soil microbes, most data are case-specific and do not provide generalizable predictions on their effects. Here we show that the chemical structural affiliation of low-molecular weight compounds typically secreted by plant roots-sugars, amino acids, organic acids and phenolic acids-can predictably affect microbiome diversity, composition and functioning in terms of plant disease suppression. We amended soil with single or mixtures of representative compounds, mimicking carbon deposition by plants. We then assessed how different classes of compounds, or their combinations, affected microbiome composition and the protection of tomato plants from the soil-borneRalstonia solanacearumbacterial pathogen. We found that chemical class predicted well the changes in microbiome composition and diversity. Organic and amino acids generally decreased the microbiome diversity compared to sugars and phenolic acids. These changes were also linked to disease incidence, with amino acids and nitrogen-containing compound mixtures inducing more severe disease symptoms connected with a reduction in bacterial community diversity. Together, our results demonstrate that low-molecular weight compounds can predictably steer rhizosphere microbiome functioning providing guidelines to engineer microbiomes based on root exudation patterns by specific plant cultivars or crop regimes. A freePlain Language Summarycan be found within the Supporting Information of this article.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据