石油污染土壤中细菌群落结构特征

被引:11
作者
万春黎
杨雪
杜茂安
于春光
李观元
机构
[1] 哈尔滨工业大学市政环境工程学院
关键词
石油烃; 土壤污染; PCR-DGGE; 细菌群落;
D O I
暂无
中图分类号
X172 [环境微生物学];
学科分类号
071012 ; 0713 ;
摘要
采用聚合酶链式反应(PCR)技术与变性梯度凝胶电泳(DGGE)技术,解析了石油污染土壤中细菌群落结构特征。结果表明,在总石油烃的质量分数高于30 mg/g(以干土计)的重度污染区域,井距相同的土样中的细菌群落表现出对石油污染胁迫较为一致的响应,某些乳球菌(Lactococcus sp.)和无色细菌(Achromobacter sp.)等细菌相对数量显著增加,可以判断其对石油烃的降解起着重要作用。通过对细菌群落结构的解析,可以为石油污染土壤的微生物修复提供理论依据。
引用
收藏
页码:928 / 933
页数:6
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