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首页> 外文会议>European Symposium on Environmental Biotechnology(ESEB 2004); 20040425-20040428; Oostende; BE >Degradation of polycyclic aromatic hydrocarbons by actinomycetes
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Degradation of polycyclic aromatic hydrocarbons by actinomycetes

机译：放线菌降解多环芳烃

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摘要

Fifteen strains belonging to the group actinomycetes were screened and selected for their ability to degrade the PAH phenanthrene (metabolically or cometabolically) and to produce biosurfactants. Five selected strains were then inoculated into spiked soil contaminated with anthracene, phenanthrene, pyrene and benzo(a)pyrene. Rapeseed oil was used as cosubstrate. After 15 days Rhodococcus sp. DSM 44126 degraded 92% of the phenanthrene and 30% of the anthracene without cosubstrate addition. The content of pyrene and benzo(a)pyrene did not change. When rapeseed oil was present, the contents of anthracene and benzo(a)pyrene decreased more than 45% for all the treatments. The amount of phenanthrene and pyrene did not vary in presence of the oil.
机译：筛选并选择了十五种属于放线菌类的菌株，它们具有降解PAH菲（代谢或代谢）和生产生物表面活性剂的能力。然后将五个选定的菌株接种到掺有蒽，菲，pyr和苯并（a）py污染的尖刺土壤中。菜籽油用作共底物。 15天后红球菌属。 DSM 44126在不添加底物的情况下降解了92％的菲和30％的蒽。 and和苯并（a）py的含量没有变化。当存在菜籽油时，所有处理的蒽和苯并（a）re含量均降低了45％以上。菲和pyr的量在油的存在下没有变化。

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