Addressing micronutrient deficiencies in agricultural soils to meet the growing demands of crops is a matter of great concern worldwide.The use of biosurfactant,a multifunctional microbial metabolite,to enhance nutrie...Addressing micronutrient deficiencies in agricultural soils to meet the growing demands of crops is a matter of great concern worldwide.The use of biosurfactant,a multifunctional microbial metabolite,to enhance nutrient availability may be a sustainable way of enhancing agricultural productivity.Biosurfactants are generally less toxic than synthetic surfactants.The application of biosurfactants in agricultural soils is anticipated to improve nutrient status,increase wettability,and achieve a more even dissemination of complex nutrients.Numerous studies have evaluated the influence of biosurfactants on bioremediation,antimicrobial activity,and soil flushing efficiency.This manuscript reviews the possibility of employing biosurfactants to mobilize and solubilize soil nutrients and make them available to plants through the formation of metal-biosurfactant complexes.Although significant progress regarding an explanation of the mechanisms behind many biosurfactant-induced effects has been made,there are still many aspects of this area that are not sufficiently elucidated,such as differences in specificity for nutrients(e.g.,Cu,Fe,Mn,and Zn)and toxins(e.g.,Cd and Pb).Biosurfactants from various isolates have been considered for their potential role in plant growth promotion and other applications related to improving the effectiveness of agricultural soils.展开更多
基金the Ministry of Human Resource and Development (MHRD), India, for granting a fellowship (No. RGNF2012-13DGEN-UTT-56466)
文摘Addressing micronutrient deficiencies in agricultural soils to meet the growing demands of crops is a matter of great concern worldwide.The use of biosurfactant,a multifunctional microbial metabolite,to enhance nutrient availability may be a sustainable way of enhancing agricultural productivity.Biosurfactants are generally less toxic than synthetic surfactants.The application of biosurfactants in agricultural soils is anticipated to improve nutrient status,increase wettability,and achieve a more even dissemination of complex nutrients.Numerous studies have evaluated the influence of biosurfactants on bioremediation,antimicrobial activity,and soil flushing efficiency.This manuscript reviews the possibility of employing biosurfactants to mobilize and solubilize soil nutrients and make them available to plants through the formation of metal-biosurfactant complexes.Although significant progress regarding an explanation of the mechanisms behind many biosurfactant-induced effects has been made,there are still many aspects of this area that are not sufficiently elucidated,such as differences in specificity for nutrients(e.g.,Cu,Fe,Mn,and Zn)and toxins(e.g.,Cd and Pb).Biosurfactants from various isolates have been considered for their potential role in plant growth promotion and other applications related to improving the effectiveness of agricultural soils.
