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Screening and characterization of petroleum-degrading bacterium

机译:石油降解细菌的筛选与表征

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Petroleum-degrading bacterium JY6 was isolated from petroleum-contaminated soils in DaQing oil field. It was identified as?Bacillus cereus?based on its morphological, physiological and biochemical characteristics, and analysis of its 16SrRNA gene. Biodegradation function of petroleum and oil degradation rates were studied, including different pH value, culture temperature, oxygen etc. Results show the optimum pH value and inoculation was 7.0 and 0.1% (v/v), respectively. 40 ml of liquid medium in 250 ml flask, shaking at 150 r/min and 32°C, petroleum-degrading rate was 75 to 77%. The petroleum-degrading bacterium might be a useful resource for bioremediation of oil-contaminated soils and biotreatment of oil wastewater.
机译:石油降解的细菌JY6从大庆油田的石油污染土壤中分离出来。它被鉴定为芽孢杆菌?基于其形态学,生理和生物化学特性,以及其16SRRNA基因的分析。研究了石油和油降速率的生物降解函数,包括不同的pH值,培养温度,氧等等结果,结果分别显示最佳pH值和接种为7.0%和0.1%(v / v)。在250mL烧瓶中40ml液体培养基,在150升/分钟,32℃下摇动,石油降解速率为75至77%。石油降解细菌可能是对油污土生物修复的有用资源和油废水的生物处理。

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