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Root exudates: from plant to rhizosphere and beyond

Vives-Peris, Vicente ; de Ollas, Carlos ; Gómez-Cadenas, Aurelio ; Pérez-Clemente, Rosa María

Plant cell reports, 2020-01, Vol.39 (1), p.3-17 [Periódico revisado por pares]

Berlin/Heidelberg: Springer Berlin Heidelberg

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Título:
Root exudates: from plant to rhizosphere and beyond
Autor: Vives-Peris, Vicente ; de Ollas, Carlos ; Gómez-Cadenas, Aurelio ; Pérez-Clemente, Rosa María
Assuntos: Biological Transport, Active ; Biomedical and Life Sciences ; Biotechnology ; Cell Biology ; Chelation ; Composition ; Exudates ; Exudation ; Fungi ; Life Sciences ; Metabolites ; Microbiota ; Mycorrhizae - growth & development ; Mycorrhizae - metabolism ; Mycorrhizae - physiology ; Nutrients ; Organic chemistry ; Plant Biochemistry ; Plant Exudates - chemistry ; Plant Exudates - metabolism ; Plant growth ; Plant Roots - metabolism ; Plant Sciences ; Plant stress ; Plants - genetics ; Plants - metabolism ; Plants - microbiology ; Recruitment ; Review ; Rhizobiaceae - metabolism ; Rhizosphere ; Soil chemistry ; Soil Microbiology ; Soil pH ; Soil properties ; Stress, Physiological - physiology ; Toxic substances
É parte de: Plant cell reports, 2020-01, Vol.39 (1), p.3-17
Descrição: Key message This article describes the composition of root exudates, how these metabolites are released to the rhizosphere and their importance in the recruitment of beneficial microbiota that alleviate plant stress. Metabolites secreted to the rhizosphere by roots are involved in several processes. By modulating the composition of the root exudates, plants can modify soil properties to adapt and ensure their survival under adverse conditions. They use several strategies such as (1) changing soil pH to solubilize nutrients into assimilable forms, (2) chelating toxic compounds, (3) attracting beneficial microbiota, or (4) releasing toxic substances for pathogens, etc. In this work, the composition of root exudates as well as the different mechanisms of root exudation have been reviewed. Existing methodologies to collect root exudates, indicating their advantages and disadvantages, are also described. Factors affecting root exudation have been exposed, including physical, chemical, and biological agents which can produce qualitative and quantitative changes in exudate composition. Finally, since root exudates play an important role in the recruitment of mycorrhizal fungi and plant growth-promoting rhizobacteria (PGPR), the mechanisms of interaction between plants and the beneficial microbiota have been highlighted.
Editor: Berlin/Heidelberg: Springer Berlin Heidelberg
Idioma: Inglês

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Root exudates: from plant to rhizosphere and beyond

Vives-Peris, Vicente ; de Ollas, Carlos ; Gómez-Cadenas, Aurelio ; Pérez-Clemente, Rosa María

Berlin/Heidelberg: Springer Berlin Heidelberg

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