一株烃降解菌Rhodococcus ruber Z25研究

被引：10

作者：

郑承纲 ^{[1
]}

俞理 ^{[2
]}

吴庆红 ^{[2
]}

黄立信 ^{[2
]}

崔庆峰 ^{[2
]}

机构：

[1] 中国科学院渗流流体力学研究所

[2] 中国石油勘探开发研究院廊坊分院

来源：

深圳大学学报(理工版) | 2009年 / 26卷 / 03期

关键词：

石油污染; 环境修复; 烃降解菌; Rhodococcus ruber; 生物表面活性剂; 薄层层析; 气相色谱;

D O I：

暂无

中图分类号：

X172 [环境微生物学];

学科分类号：

摘要：

烃降解菌株Z25分离自大庆油田中新201区块采油污水样,经形态观察和16S rDNA基因序列分析,鉴定为Rhodococcus ruberZ25.该菌株在20～45℃,0～5%盐的质量浓度下生长良好,适宜生长温度为30～40℃,最适盐的质量分数为2.5%.Rhodococcus ruberZ25菌株能以液体石蜡为唯一碳源生长并合成糖脂类生物表面活性剂,发酵48h,细菌生物量和糖脂产量分别为1.53g/L和13.22g/L.经气相色谱对Rhodococcus ruberZ25菌株在好氧和厌氧条件下原油降解的全烃组分分析,结果表明:该菌株在好氧条件下优先降解石油中的轻烃组分,在厌氧条件下优先降解石油中的重烃组分.

引用

页码：234 / 239

页数：6

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