| 嗜盐菌群在甲苯降解过程中群落结构的变化解析 |
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| 引用本文： | 蒋婧,王慧,张丽花,毛心慰,闫海.嗜盐菌群在甲苯降解过程中群落结构的变化解析[J].中国环境科学,2010,30(2):216-221. |
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| 作者姓名： | 蒋婧 王慧 张丽花 毛心慰 闫海 |
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| 作者单位： | 1. 清华大学环境科学与工程系,环境模拟与污染控制国家重点联合实验室,北京,100084
2. 北京科技大学应用科学学院,北京,100083 |
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| 基金项目： | 国家自然科学基金资助项目，国家重点实验室专项基金课题 |
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| 摘 要： | 从胜利油田的高盐油污土壤中富集到1个高效降解BTEX(苯、甲苯、乙苯、二甲苯)的嗜盐菌群,分析了菌群在甲苯降解过程中的群落结构变化.结果表明,该菌群在5%盐度下可完全降解200mg/L甲苯.PCR-DGGE图谱显示,随着甲苯的加入,该菌群的优势种属由Bacillus sp.和Bacillus aquimaris转变为Thalassospira xiamenensis、Pseudomonas stutzeri、Virgibacillus sp.和Bacillus sp..这4种微生物在整个降解过程中稳定存在,且在降解完成后24h内没有衰亡的迹象.另外,该菌群可以降解菲,显示了降解多种芳香族化合物的能力.
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| 关 键 词： | BTEX 嗜盐菌群 PCR-DGGE 微生物群落结构 |
| 收稿时间： | 2009-04-07; |
Analysis of bacterial community structure in toluene degradation by a halophilic consortium |
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| JIANG Jing,WANG Hui,ZHANG Li-hua,MAO Xin-wei,YAN Hai.Analysis of bacterial community structure in toluene degradation by a halophilic consortium[J].China Environmental Science,2010,30(2):216-221. |
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| Authors: | JIANG Jing WANG Hui ZHANG Li-hua MAO Xin-wei YAN Hai |
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| Institution: | JIANG Jing1,WANG Hui1,ZHANG Li-hua2,MAO Xin-wei1,YAN Hai2(1.State Key Joint Laboratory on Environmental Simulation , Pollution Control,Department of Environmental Science , Engineering,Tsinghua University,Beijing 100084,China,2.College of Applied Science,University of Science , Technology Beijing,Beijing 100083,China) |
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| Abstract: | A halophilic bacterial consortium that could degrade BTEX(benzene,tolunene,ethybenzene,xylene) at the salinity of 5% was enriched from oil-contaminated saline soil.Bacterial community structure dynamics in toluene degradation by the consortium was analyzed.The consortium could degrade 200 mg/L toluene at the salinity of 5%.PCR-DGGE profiles revealed that with toluene addition,the predominant species shifted from Bacillus sp.and Bacillus aquimaris to Thalassospira xiamenensis,Pseudomonas stutzeri,Virgibacill... |
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| Keywords: | BTEX PCR-DGGE BTEX bacterial halophilic consortium PCR-DGGE microbial community structure |
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