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Position: Home > Articles > Biosynthesis of Poly-γ-glutamic Acid and Its Application to Soil Remediation and Improvement Bulletin of Soil and Water Conservation 2018 (2) 323-328

聚谷氨酸生物的合成及其在修复和改良土壤中的应用

作  者：
张宸
关键词：
聚谷氨酸;生物合成机制;土壤修复;土壤改良
摘  要：
[目的]对聚谷氨酸生物合成机制及在土壤修复和改良中的应用进行综述,为其进一步在土壤环境改良、污损土地整治方面的应用提供参考。[方法]通过查阅国内外文献,从聚谷氨酸在不同菌株中的合成机制和其在土壤环境的修复和改良中不同作用进行了综述和分析。[结果]从聚谷氨酸的理化性质、分子结构、生物合成及合成机制进行简要的介绍,并对其在干旱土壤改良、盐碱土壤修复、重金属污染土壤修复、土壤酸碱度平衡、土壤肥力改良等方面的应用进行了较为详细的评述。[结论]国内外在聚谷氨酸对土壤修复和改良应用方面已取得了一定的成果,今后需加强不同类型土壤中高活性聚谷氨酸发酵菌株选育,以及聚谷氨酸与不同类型土壤物质之间相互作用的机理研究等工作。
译  名：
Biosynthesis of Poly-γ-glutamic Acid and Its Application to Soil Remediation and Improvement
作  者：
ZHANG Chen;Shaanxi Provincial Land Engineering Construction Group Co.,Ltd.;Institute of Land Engineering and Technology,Shaanxi Provincial Land Engineering Construction Group Co.,Ltd.;Key Laboratory of Degraded and Unused Land Consolidation Engineering,the Ministry of Land and Resources;Shaanxi Provincial Land Consolidation Engineering Technology Research Center;
关键词：
poly-γ-glutamic acid;;biosynthesis mechanism;;soil restoration;;soil improvement
摘  要：
[Objective]This article reviewed the mechanism of poly-γ-glutamic acid biosynthesis and its application to soil remediation and improvement,which was expected to provide references for further application to soil environment improvement and decontamination land remediation.[Methods]By reviewing domestic and foreign literatures,the synthesis mechanism of poly-γ-glutamic acid in different bacterial strains and their different roles in the restoration and improvement of soil environment were reviewed and analyzed.[Results]In this paper,poly-γ-glutamic acid was briefly introduced in terms of its physical and chemical character,molecular structure,biosynthesis and synthesis mechanism.The applications of poly-γ-glutamic acid to the improvement of arid soils,the remediation of saline alkali soil,the remediation of heavy metal pollution,the balance of soil PH value and the improvement of soil fertility soil were summarized in detail.[Conclusion]Some achievements have been made in the application of poly-γ-glutamic acid to soil remediation and improvement both here and abroad.In the future,it is necessary to strengthen the selection of highactivity poly-γ-glutamic acid fermentation strains in different types of soil,as well as to focus the mechanism of interaction between poly-γ-glutamic and different types of soil materials.

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