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发明授权
CN110283741B 一株具有高效降解多环芳烃功能的玫瑰变色菌及其应用 有权

一株具有高效降解多环芳烃功能的玫瑰变色菌及其应用
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变色菌及其应用，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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