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首页> 外文会议>Sixth International in Situ and On-Site Bioremediation Symposium, 6th, Jun 4-7, 2001, San Diego, California >AZOMONAS IS A NFB CAPABLE TO USE KEROSENE AS A CARBON SOURCE
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AZOMONAS IS A NFB CAPABLE TO USE KEROSENE AS A CARBON SOURCE

机译：AZOMONAS是一种NFB，能够使用煤油作为碳源

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摘要

A nitrogen-fixing bacterium was isolated from kerosene-contaminated soil. A preliminary taxonomic evaluation suggested that this bacterium belongs to the Azomonas genus. This bacterium showed capability to use kerosene as a sole carbon source. When the bacterium was grown in Rennie modified medium added with 5000 mg/L of kerosene, in submerged culture, between 40 to 50% of the hydrocarbon mixture was removed in 13 days. Results from enzymatic analysis for nitrogenase activity strongly suggested that, for this bacterium, a biochemical relationship between the nitrogenase activity and kerosene removal capability may exist. The results from this work, show that this nitrogen fixing bacterium not only withstood high concentrations of kerosene but also could achieve important removal of this pollutant from contaminated soils. These results are promising for bioremediation studies of heavily polluted soils, without the addition of fertilizer.
机译：从煤油污染的土壤中分离出固氮细菌。初步的分类学评估表明该细菌属于Azomonas属。该细菌显示出将煤油用作唯一碳源的能力。当细菌在添加有5000 mg / L煤油的Rennie改良培养基中生长时，在水下培养中，在13天内将40％至50％的烃混合物去除。酶分析固氮酶活性的结果强烈表明，对于这种细菌，固氮酶活性与煤油去除能力之间可能存在生化关系。这项工作的结果表明，这种固氮细菌不仅可以抵御高浓度的煤油，而且还可以从受污染的土壤中去除这种污染物。这些结果对于不添加肥料的重污染土壤的生物修复研究很有希望。

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