Biodegradation of p-nitrophenol by Rhodococcus sp CN6 with high cell surface hydrophobicity

文献类型： 外文期刊

第一作者： Yan, Yanchun

作者： Yan, Yanchun;Zhang, Jingshun;Sun, Zhongtao;Li, Yingying;Peng, Xiang;Li, Wen;Zhang, Jingshun;Li, Yingying;Peng, Xiang;Li, Wen

作者机构：

关键词： p-Nitrophenol;Degradation;Rhodococcus sp CN6;Hydrophobicity

期刊名称：JOURNAL OF HAZARDOUS MATERIALS （ 影响因子：10.588； 五年影响因子：10.129 ）

ISSN： 0304-3894

年卷期： 2009 年 163 卷 2-3 期

页码：

收录情况： SCI

摘要： Rhodococcus sp. CN6, isolated from a pesticide industry's effluent-sediment, was able to completely degrade and utilize 100 mg/L p-nitrophenol (PNP) as the sole carbon, nitrogen and energy sources for growth in the minimal salt media (MSM) within 12 h. To study the applicability of the strain for bioremediation of PNP, its degradation potential was examined in the presence of different supplemented carbon and nitrogen sources in MSM with 100 mg/L PNR Dextrin was experienced as the best supplemented carbon source used by the strain CN6 during degrading PNP. Addition of ammonium nitrate could also increase the PNP degradation rate. Preliminary studies on the surface characters of Rhodococcus sp. CN6 were undertaken for the sake of exploring its high efficiency on the degradation of PNP. Microbial adherence to hydrocarbons (MATH) assays illuminated that the strain CN6 was of higher hydrophobicity while grown on higher concentration of PNP. The results suggested that the strain CN6 could be used as a potential and efficient PNP degrader for the bioremediation of contaminated sites. (C) 2008 Elsevier B.V. All rights reserved.

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