Abstract

One of the major questions in contemporary plant science involves determining the functional mechanisms that plants use to shape their microbiome. Plants produce a plethora of chemically diverse secondary metabolites, many of which exert bioactive effects on microorganisms. Several recent publications have unequivocally shown that plant secondary metabolites affect microbiome composition and function. These studies have pinpointed that the microbiome can be influenced by a diverse set of molecules, including: coumarins, glucosinolates, benzoxazinoids, camalexin, and triterpenes. In this review, we summarize the role of secondary metabolites in shaping the plant microbiome, highlighting recent literature. A body of knowledge is now emerging that links specific plant metabolites with distinct microbial responses, mediated via defined biochemical mechanisms. There is significant potential to boost agricultural sustainability via the targeted enhancement of beneficial microbial traits, and here we argue that the newly discovered links between root chemistry and microbiome composition could provide a new set of tools for rationally manipulating the plant microbiome.

中文翻译：

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精确定位塑造植物微生物组的组成和功能的次生代谢物

 抽象的

当代植物科学的主要问题之一涉及确定植物用来塑造微生物组的功能机制。植物产生大量化学多样的次生代谢物，其中许多对微生物产生生物活性作用。最近的几篇出版物明确表明植物次生代谢物影响微生物组的组成和功能。这些研究指出，微生物组可能受到多种分子的影响，包括：香豆素、芥子油苷、苯并恶嗪类、camalexin 和三萜。在这篇综述中，我们总结了次生代谢物在塑造植物微生物组中的作用，并重点介绍了最近的文献。现在正在出现一种知识体系，它将特定的植物代谢物与独特的微生物反应联系起来，通过明确的生化机制介导。通过有针对性地增强有益微生物性状，具有促进农业可持续性的巨大潜力，在这里我们认为，新发现的根系化学与微生物组组成之间的联系可以为合理操纵植物微生物组提供一套新的工具。