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

Journal of Hazardous Materials
Jingshun ZhangYanchun Yan

Abstract

Rhodococcus sp. CN6, isolated from a pesticide industry's effluent-sediment, was able to completely degrade and utilize 100mg/L p-nitrophenol (PNP) as the sole carbon, nitrogen and energy sources for growth in the minimal salt media (MSM) within 12h. 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 100mg/L PNP. 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.

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Citations

Dec 17, 2009·Journal of Environmental Sciences (China)·Yongliang ZhengLi Xiong
Oct 31, 2015·Applied Microbiology and Biotechnology·Lei RenYanchun Yan
Jun 30, 2009·Water Research·Mariángel Martín-HernándezMaría Eugenia Suárez-Ojeda
Apr 25, 2012·Journal of Environmental Management·J A Herrera-MeliánJ Pérez-Peña
Jun 14, 2016·Scientifica·Muhammad Kashif JavaidMuhammad Tahir
May 15, 2016·Environmental Science and Pollution Research International·Lei RenYanchun Yan
Oct 4, 2012·Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering·Suresh R SubashchandraboseRavi Naidu
Jul 18, 2017·MicrobiologyOpen·Maikel Gilberto Fernández-LópezMa Laura Ortiz-Hernández
Apr 5, 2021·Environmental Science and Pollution Research International·Ma Laura Ortiz-HernándezPatricia Mussali-Galante
Jul 3, 2021·International Journal of Environmental Research and Public Health·Weina KongShiwei Wang
Jun 2, 2009·Journal of Hazardous Materials·Rongji DaiYulin Deng

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