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当前位置: 首页 > 文章 > 一株疏水性石油烃降解菌的鉴定及特性研究 安徽农业科学 2007,35 (34) 10945-10947+10970
Position: Home > Articles > Study on the Identification and Characteristics of a Strain of Hydrophobic Hydrocarbon Degrading Bacteria with Hydrophobicitiy Journal of Anhui Agricultural Sciences 2007,35 (34) 10945-10947+10970

一株疏水性石油烃降解菌的鉴定及特性研究

作  者：
赵晴;于鲁冀;张甲耀
单  位：
郑州大学环境与水利学院;河南工业大学土木建筑学院;武汉大学环境科学系
关键词：
石油降解菌;细胞表面疏水性;特性
摘  要：
从石油污染的土壤中分离纯化得到一株能以石油为惟一碳源和能源生长的石油烃降解菌,命名为HDB-1,并采用微生物粘着碳烃化合物法(MATH)对菌株的细菌表面疏水性及其环境影响因子进行研究,结果表明:HDB-1的疏水性为68.5%;随着培养时间、碳源、温度、pH值的改变,细菌表面疏水性均发生不同程度的变化;6 d后初始含油量为1 000 mg/L的培养液去除率为91.6%,明显高于对照菌——微球属菌的64.5%;细菌的细胞表面疏水性与其在环境中对有机污染物的降解呈一定的相关性,疏水性大的细菌对疏水性有机物的降解速度较疏水性小的快。
译  名：
Study on the Identification and Characteristics of a Strain of Hydrophobic Hydrocarbon Degrading Bacteria with Hydrophobicitiy
作  者：
ZHAO Qing et al (Civil Engineering and Architecture College,Henan University of Technology,Zhengzhou,Henan 450052)
关键词：
Hydrocarbon degrading Bacteria;Cell-surface hydrophobicity;Characteristics
摘  要：
A strain of hydrocarbon degrading bacteria named HDB-1,which could grow with oil as the sole carbon source and energy source,was isolated and purified from the soil polluted by oil.The method of microorganism adhering to hydrocarbon(MATH) was used to study the bacteria-surface hydrophobicity of the strain and its environmental influence factors.The results showed that the hydrophobicitiy of HDB-1was 68.5%,and the bacteria-surface hydrophobicity changed to different degrees along with the variations of culture time,carbon source,temperature and pH value.The removal rate of culture solution with initial oil content of 1 000 mg/L was 91.6% after 6 d,being obviously higher than the microsphere genera contrast bacteria(64.5%).The cell-surface hydrophobicity of bacteria showed certain relativity with its degradation on organic pollutants in environment,and the degradation rate of the bacteria with high hydrophobicity on hydrophobic organic matter was quicker than that of the bacteria with low hydrophobicity.

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