Harnessing root exudates for plant microbiome engineering and stress resistance in plants.

Autor: Afridi MS; Department of Plant Pathology, Federal University of Lavras, CP3037, 37200-900 Lavras, MG, Brazil. Electronic address: msafridi@bs.qau.edu.pk., Kumar A; Metagenomics and Secretomics Research Laboratory, Department of Botany, Dr. Harisingh Gour University (A Central University), Sagar 470003, MP, India., Javed MA; Institute of Industrial Biotechnology, Government College University, Lahore 54000, Pakistan., Dubey A; Metagenomics and Secretomics Research Laboratory, Department of Botany, Dr. Harisingh Gour University (A Central University), Sagar 470003, MP, India., de Medeiros FHV; Department of Plant Pathology, Federal University of Lavras, CP3037, 37200-900 Lavras, MG, Brazil., Santoyo G; Instituto de Investigaciones Químico Biológicas, Universidad Michoacana de San Nicolás de Hidalgo, 58030 Morelia, Mexico. Electronic address: gustavo.santoyo@umich.mx.
Jazyk: angličtina
Zdroj: Microbiological research [Microbiol Res] 2024 Feb; Vol. 279, pp. 127564. Date of Electronic Publication: 2023 Dec 01.
DOI: 10.1016/j.micres.2023.127564
Abstrakt: A wide range of abiotic and biotic stresses adversely affect plant's growth and production. Under stress, one of the main responses of plants is the modulation of exudates excreted in the rhizosphere, which consequently leads to alterations in the resident microbiota. Thus, the exudates discharged into the rhizospheric environment play a preponderant role in the association and formation of plant-microbe interactions. In this review, we aimed to provide a synthesis of the latest and most pertinent literature on the diverse biochemical and structural compositions of plant root exudates. Also, this work investigates into their multifaceted role in microbial nutrition and intricate signaling processes within the rhizosphere, which includes quorum-sensing molecules. Specifically, it explores the contributions of low molecular weight compounds, such as carbohydrates, phenolics, organic acids, amino acids, and secondary metabolites, as well as the significance of high molecular weight compounds, including proteins and polysaccharides. It also discusses the state-of-the-art omics strategies that unveil the vital role of root exudates in plant-microbiome interactions, including defense against pathogens like nematodes and fungi. We propose multiple challenges and perspectives, including exploiting plant root exudates for host-mediated microbiome engineering. In this discourse, root exudates and their derived interactions with the rhizospheric microbiota should receive greater attention due to their positive influence on plant health and stress mitigation.
Competing Interests: Declaration of Competing Interest The authors declare that there is no conflict of interest.
(Copyright © 2023 Elsevier GmbH. All rights reserved.)
Databáze: MEDLINE
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