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铜绿假单胞菌到印度鞘氨醇单胞菌:六氯环己烷微生物降解和生物修复之旅。

Pseudomonas sp. to Sphingobium indicum: a journey of microbial degradation and bioremediation of Hexachlorocyclohexane.

机构信息

Department of Zoology, University of Delhi, Delhi, 110 007 India.

出版信息

Indian J Microbiol. 2008 Mar;48(1):3-18. doi: 10.1007/s12088-008-0002-9. Epub 2008 May 1.

Abstract

The unusual process of production of hexachlorocyclohexane (HCH) and extensive use of technical HCH and lindane has created a very serious problem of HCH contamination. While the use of technical HCH and lindane has been banned all over the world, India still continues producing lindane. Bacteria, especially Sphingomonads have been isolated that can degrade HCH isomers. Among all the bacterial strains isolated so far, Sphingobium indicum B90A that was isolated from HCH treated rhizosphere soil appears to have a better potential for HCH degradation. This conclusion is based on studies on the organization of lin genes and degradation ability of B90A. This strain perhaps can be used for HCH decontamination through bioaugmentation.

摘要

六氯环己烷(HCH)的非常规生产过程以及技术 HCH 和林丹的广泛使用造成了非常严重的 HCH 污染问题。虽然全世界已经禁止使用技术 HCH 和林丹,但印度仍在继续生产林丹。已经分离出可以降解 HCH 异构体的细菌,特别是鞘氨醇单胞菌。在迄今为止分离出的所有细菌菌株中,从 HCH 处理的根际土壤中分离出的鞘氨醇单胞菌 B90A 似乎具有更好的 HCH 降解潜力。这一结论是基于对 lin 基因的组织和 B90A 降解能力的研究得出的。该菌株也许可以通过生物增强来用于 HCH 脱污染。

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