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稻草固体介质中白腐菌对喹啉的降解研究

Biodegradation of Quinoline by a White Rot Fungus in Rice Straw Medium

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【作者】 颜克亮任大军王宏勋张晓昱

【Author】 YAN Ke-liang1, REN Da-jun2, WANG Hong-xun1, ZHANG Xiao-yu1 (1.School of Life Science and Technology; 2.School of Environment Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074)

【机构】 华中科技大学生命科学与技术学院华中科技大学环境科学与工程学院华中科技大学生命科学与技术学院 武汉430074

【摘要】 研究了稻草固体介质中侧耳属白腐菌BP对喹啉的降解。实验结果表明,浓度分别为250mg/L和150mg/L喹啉的降解率能达到93.47%和97.40%。白腐菌BP可以有效对喹啉进行降解。漆酶和锰过氧化物酶在降解过程中起着较重要的作用,但酶活的高低与降解率大小并不完全成正比。高效液相色谱分析表明降解过程中没有中间代谢物的积累,喹啉能得到彻底矿化。

【Abstract】 The study results on biodegradation of quinoline by Pleurotus ostreatus BP in rice straw medium indicated that quinoline can be biodegraded by white rot fungus in rice straw solid medium with removal efficiency of 93.47% and 97.40% respectively for quinoline of 250mg/L and 150mg/L. Laccase and Manganese peroxidase played important roles in the biodegradation of quinoline, but no linear correlation occurred between laccase activity, Manganese peroxidase activity and the rate of biodegradation. HPLC analysis showed that there was no intermediates detected and quinoline might be mineralised completely.

【关键词】 稻草基质白腐菌生物降解喹啉
【Key words】 rice strawwhite rot fungusbiodegradationquinoline
  • 【文献出处】 环境科学与技术 ,Environmental Science & Technology , 编辑部邮箱 ,2006年08期
  • 【分类号】X172
  • 【被引频次】3
  • 【下载频次】129
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