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Significance and Exploitation of Rhizosphere Chemical Signaling Metabolites for Enhancing Soil Nutrient Transformation

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Abstract

Soil microorganisms drive nutrient cycling in agro-ecosystems; soil microbial composition can be significantly influenced by chemical signals emitted from the rhizosphere, ultimately impacting nutrient transformation. Currently, research on chemical signaling in the rhizosphere has expanded from signaling between early plants and mycorrhizal fungi to the interactions between rhizobia and non-symbiotic microorganisms. Recently, it has been recovered that rhizosphere signaling metabolites can form beneficial microbiomes in the rhizosphere. In this review, presents advance in rhizosphere chemical signaling and soil nutrient transformation at both national and international levels. This article provides a detailed insight into the concept of rhizosphere chemical signaling metabolites and provides an overview of various organic signaling compounds and metabolites known to be released into the rhizosphere and their functions. Finally, the future research avenues for rhizosphere chemical signaling metabolites are explored, with a focus on highlighting the significance of chemical detection, multi-omics technology, synthetic microbial community (SynCom), and other advanced methodologies in the study of rhizosphere chemical signaling metabolites is emphasized.

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Funding

This work was supported by the Shandong Provincial Natural Science Foundation of China (ZR2018PC003), Linyi University Ph.D. Fund for Scientific Start-up (LYDX2018BS036, LYDX2018BS031, and LYDX2019BS028), and College Students’ Innovative Training Program (X202010452124, X202210452475, and X202210452103).

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Conceptualization: S.S, S.F, and, Z.J; writing—original draft: S.S, SF, ZJ; writing—review and editing: S.S, S.F.

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Correspondence to Zhaoyu Jiang or Shah Fahad.

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Saud, S., Jiang, Z. & Fahad, S. Significance and Exploitation of Rhizosphere Chemical Signaling Metabolites for Enhancing Soil Nutrient Transformation. J Soil Sci Plant Nutr 23, 4827–4842 (2023). https://doi.org/10.1007/s42729-023-01526-7

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