Understanding plant responsiveness to microbiome feedbacks

IF 8.3 2区 生物学 Q1 PLANT SCIENCES
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引用次数: 0

Abstract

Plant microbiome interactions are bidirectional with processes leading to microbiome assembly and processes leading to effects on plants, so called microbiome feedbacks. With belowground focus we systematically decomposed both of these directions into plant and (root and rhizosphere) microbiome components to identify methodological challenges and research priorities. We found that the bidirectionality of plant microbiome interactions presents a challenge for genetic studies. Establishing causality is particularly difficult when a plant mutant has both, an altered phenotype and an altered microbiome. Is the mutation directly affecting the microbiome (e.g., through root exudates), which then causes an altered phenotype of the plant and/or is the altered microbiome the consequence of the mutation altering the plant's phenotype (e.g., root architecture)? Here, we put forward that feedback experiments allow to separate cause and effect and furthermore, they are useful for investigating plant interactions with complex microbiomes in natural soils. They especially allow to investigate the plant genetic basis how plants respond to soil microbiomes and we stress that such microbiome feedbacks are understudied compared to the mechanisms contributing to microbiome assembly. Thinking towards application, this may allow to develop crops with both abilities to assemble a beneficial microbiome and to actively exploit its feedbacks.

了解植物对微生物群反馈的反应能力
植物微生物组之间的相互作用是双向的,微生物组的组装过程和微生物组的作用过程都会对植物产生影响,即所谓的微生物组反馈。我们以地下为重点,将这两个方向系统地分解为植物和(根系和根圈)微生物组两个部分,以确定方法学上的挑战和研究重点。我们发现,植物微生物组相互作用的双向性给遗传研究带来了挑战。当植物突变体同时具有改变的表型和改变的微生物组时,确定因果关系尤其困难。突变是否直接影响微生物组(如通过根系渗出物),进而导致植物表型改变,以及/或微生物组的改变是否是突变改变植物表型(如根系结构)的结果?在此,我们提出,反馈实验可以将因果关系区分开来,而且有助于研究植物与天然土壤中复杂微生物群的相互作用。它们尤其有助于研究植物如何对土壤微生物群做出反应的植物遗传基础,我们强调,与微生物群的组成机制相比,这种微生物群反馈的研究还很不足。从应用角度考虑,这可能有助于开发出既能组建有益微生物群,又能积极利用微生物群反馈的作物。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Current opinion in plant biology
Current opinion in plant biology 生物-植物科学
CiteScore
16.30
自引率
3.20%
发文量
131
审稿时长
6-12 weeks
期刊介绍: Current Opinion in Plant Biology builds on Elsevier's reputation for excellence in scientific publishing and long-standing commitment to communicating high quality reproducible research. It is part of the Current Opinion and Research (CO+RE) suite of journals. All CO+RE journals leverage the Current Opinion legacy - of editorial excellence, high-impact, and global reach - to ensure they are a widely read resource that is integral to scientists' workflow.
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