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Bacterial consortium for efficient degradation of di-ethyl phthalate in soil microcosm

机译：为有效地降解细菌财团di-ethyl邻苯二甲酸酯在土壤缩影

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Abstract The worldwide increase of industrialization and reduction in the forest cover has led to the accumulation of harmful contaminants into the environment. One such “emerging” group of contaminants is phthalate esters that have been reported from all around the world. Di ethyl phthalate (DEP) has wide applications as plasticizers of polyvinyl chloride, and attributable to its endocrine disrupting?and anti-androgenic activity. In agriculture, there is wide use of plastic films such as in?mulching and greenhouse. Due to heat and other factors, DEP from plastic leaches down is difficult to degrade and enters the food chain. In the present study, nine different DEP degrading bacterial morphotypes were isolated from three soil samples collected from the Centre for Cultivated Protection Technology IARI, New Delhi, India. All the isolates were able to grow in DEP amended MS medium and finally three efficient bacterial isolates namely Achromobacter sp. strain DEPA3, Pseudomonas sp. strain DEPB3, and Enterobacter sp. strain DEPC1 were selected for the degradation of DEP in MS broth and soil microcosm individually as well as the mixed consortium. In MS broth, 84.91–96.14% DEP degradation was observed while in soil microcosm 81.16–92.39% degradation occurred within 30?days of inoculation. In the future, the potential isolates selected in the present study can be employed for bioremediation of contaminated sites.
机译：抽象的全球增长工业化和森林的减少导致有害的积累污染物进入环境。“新兴”群污染物是邻苯二甲酸酯酯,已报告他的整个世界。聚乙烯醇的应用程序作为增塑剂氯,归因于其内分泌破坏?农业、有广泛使用的塑料薄膜如在吗?从塑料和其他因素,环保局会渗下来难以降解并进入食物吗链。降解细菌形态类型被孤立从三个土壤样品的收集中心耕地保护技术IARI,新的印度德里。在环保局修改中最后三个女士高效的细菌分离即无色菌DEPB3 sp.应变DEPA3,假单胞菌sp.压力,和肠杆菌sp.应变DEPC1被选中DEP在汤女士和退化的土壤单独和混合缩影财团。土壤退化观察在缩影81.16 -92.39%降解发生在30 ?接种。隔离在本研究中选择使用污染的生物修复网站。

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