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发明公开
CN110283741A 一株具有高效降解多环芳烃功能的玫瑰杆菌及其应用 有权

一株具有高效降解多环芳烃功能的玫瑰杆菌及其应用
摘要：
本发明公开了一株具有高效降解多环芳烃功能的玫瑰杆菌及其应用，其保藏编号为：CCTCC NO:M 2019037。该菌能以多环芳烃为唯一碳源进行生长，其对萘的降解率为100％，菲的降解率为96％，并从该菌中扩增出一个双加氧酶基因(NidA like基因)，在遗传学上证实其具有多环芳烃降解特性；该菌具有较强的环境适应能力，最适生长温度为30℃，在中性偏碱(7.0-8.5)的pH环境中表现出比pH偏酸(5.5-6.5)更高的降解能力，并且具有较广范的盐度适应范围10‰～150‰，比较偏爱偏碱性的海洋环境，具有应用于海洋环境污染的生物修复治理中巨大潜力。
摘要（英）：

The invention discloses roseobacter with a function of effectively degrading polycyclic aromatic hydrocarbon and application of the roseobacter. The preservation number of the roseobacter is CCTCC NO: M 2019037. The bacterium grows with polycyclic aromatic hydrocarbon as a sole carbon source, and has a naphthalene degradation rate of 100% and a phenanthrene degradation rate of 96%, a dioxygenase gene (NidA like gene) is amplified from the bacterium, and genetic tests show that the bacterium has a polycyclic aromatic hydrocarbon degradation property; the bacterium has good environment adaptability, has a most appropriate growth temperature of 30 DEG C, has good degradability in a neutral and slightly acidic environment (the pH value is 7.0-8.5) when being compared with that in a slightly acidic environment (the pH value is 5.5-6.5), has a wide salinity application range of 1-15%, prefers a slightly alkali ocean environment, and has great potential in biological repairing and treatment on ocean environment pollution.

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