Siderophores of Rhizobacteria and Their Application in Bioremediation
Abstract
Soil contamination by toxic metals reduces agricultural production and food quality. Bioremediation is an alternative for the recovery of contaminated soils, mediated by microorganisms that have different mechanisms, such as the production of siderophores, to counteract the toxicity of heavy metals. Siderophores are small organic molecules that chelate iron, which is an essential element for the life of all organisms and is required in different cellular processes. Knowledge about the synthesis mechanisms of siderophores and their potential effect on bioremediation is fundamental for the implementation of ecological alternatives to reduce the adverse effects caused by the use of chemicals. This review describes the classes, synthesis, transport and regulation of siderophores; it also presents the main findings related to the use of plant growth promoting rhizobacteria (PGPR) producers of siderophores in the bioremediation of contaminated environments, in order to consolidate information for the development of new sustainable alternatives to reduce the negative impact of toxic metals in agricultural production.
Keywords
Español
References
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