营养物质及金属离子对DLL-E4菌降解对硝基苯酚的影响
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* 国家863项目(2001AA214121,2002AA246081);农业科技跨越计划(跨越2000-15);国家攻关项目(2002BA516A01)资助


EFFECTS OF NUTRIENT SUBSTANCES AND METAL IONS ON DEGRADATION OF p-NITROPHENOL BY DLL-E4(Pseudomonas putida)
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    摘要:

    研究了酵母膏、葡萄糖、蛋白胨、土壤浸液及Ca2+、Mg2+、Fe2+、Fe3+、Al3+、Mn2+、Co2+、Zn2+、Li+、Cu+、Cu2+、Ba2+、Ni2+等13种金属离子对甲基对硫磷降解菌DLLE4降解对硝基苯酚的影响.结果表明:适量添加酵母膏、葡萄糖和蛋白胨都能有效提高菌株对对硝基苯酚的降解,土壤浸液没有影响;金属离子中,除Li+和01mmolL-1Fe3+外均对DLLE4降解对硝基苯酚的性状有一定的影响,其中Ca2+、Mg2+、Mn2+影响不大,Fe3+、Fe2+、Al3+、Ba2+、Zn2+高浓度时影响较大,Co2+、Cu2+、Cu+、Ni2+对DLL-E4降解对硝基苯酚有较大的影响.

    Abstract:

    Effects of yeast extract, glucose, peptone, soil extract and metal ions Ca2+, Mg2+, Fe2+, Fe3+, Al3+, Mn2+, Co2+, Zn2+, Li+, Cu+, Cu2+, Ba2+, Ni2+ on degradation of p-nitrophenol(PNP) by DLL-E4 (Pseudomonas putida) were studied. The results show that addition of a proper amount of yeast extract, glucose and peptone could promote the degradation of PNP by DLL-E4, but the addition of soil extract could not. All the metal ions, except Li+ and 0.1mmol Fe3+ could affect removal of PNP by this strain. The effects of Ca2+, Mg2+ and Mn2+ were low, the effects of Fe3+, Fe2+, Al3+, Ba2+ and Zn2+ were high when in high concentration, whereas the effects of Co2+, Cu2+, Cu+ and Ni2+ were high, too, even in residual concentration.

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刘智,张晓舟,何健,林少文,潘结友,李顺鹏.营养物质及金属离子对DLL-E4菌降解对硝基苯酚的影响[J].土壤学报,2004,41(2):292-297. DOI:10.11766/trxb200212040220 Liu Zhi, Zhang Xiaozhou, He Jian, Lin Shaowen, Pan Jieyou, Li Shunpeng. EFFECTS OF NUTRIENT SUBSTANCES AND METAL IONS ON DEGRADATION OF p-NITROPHENOL BY DLL-E4(Pseudomonas putida)[J]. Acta Pedologica Sinica,2004,41(2):292-297.

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  • 收稿日期:2002-12-04
  • 最后修改日期:2003-08-19
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  • 在线发布日期: 2013-02-25
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