Biosurfactants as a Biological Tool to Increase Micronutrient Availability in Soil: A Review

Ratan SINGH; Bernard R.GLICK; Dheeraj RATHORE

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Biosurfactants as a Biological Tool to Increase Micronutrient Availability in Soil: A Review

机译：生物表面活性剂作为增加土壤中微量营养素利用率的生物学工具：综述

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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.

机译：解决农业土壤中微量营养素不足以满足作物不断增长的需求已成为全球关注的问题。使用生物表面活性剂（一种多功能微生物代谢产物）来提高养分利用率可能是提高农业生产力的可持续方式。生物表面活性剂的毒性通常较低生物表面活性剂在农业土壤中的应用有望改善营养状况，提高润湿性，并使复杂的营养成分更均匀地传播。许多研究评估了生物表面活性剂对生物修复，抗菌活性和土壤冲洗效率的影响。该手稿回顾了利用生物表面活性剂来动员和增溶土壤养分并通过形成金属-生物表面活性剂复合物使植物获得养分的可能性，尽管在解释许多生物表面活性剂诱导的作用机理方面取得了重大进展此外，该区域仍有许多方面尚未充分阐明，例如对营养物（例如铜，铁，锰和锌）和毒素（例如镉和铅）的特异性差异。来自各种分离株的生物表面活性剂具有人们认为它们在促进植物生长和与改善农业土壤有效性有关的其他应用中具有潜在作用。

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《土壤圈（英文版）》 |2018年第2期|170-189|共20页
作者
Ratan SINGH; Bernard R.GLICK; Dheeraj RATHORE;
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School of Environment and Sustainable Development, Central University of Gujarat, Gandhinagar 382030(India);

Department of Biology, University of Waterloo, Ontario N2L 3G1(Canada);

School of Environment and Sustainable Development, Central University of Gujarat, Gandhinagar 382030(India);

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收录信息中国科学引文数据库(CSCD);中国科技论文与引文数据库(CSTPCD);
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正文语种 eng
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Biosurfactants as a Biological Tool to Increase Micronutrient Availability in Soil: A Review

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