睾丸酮丛毛单胞菌对喹啉类化合物的降解  

BIODEGRADATION ABILITY OF QUINOLINE AND ITS DERIVATIVES BY COMAMONAS TESTOSTERONI Q_(10)AND THE SUBSTRATES INTERACTIONS

作　　者：崔明超[1] 陈繁忠[1] 傅家谟[1] 盛国英[1] 孙国平[2] 蔡小伟[2] 

机构地区：[1]中国科学院广州地球化学研究所 [2]广东省微生物研究所,广州510070

出　　处：《环境化学》2004年第1期66-70,共5页Environmental Chemistry

基　　金：中国科学院知识创新工程前沿性研究项目( 0 0 1 1 0 8)

摘　　要：对喹啉、异喹啉、 2 甲基喹啉、 3 甲基喹啉、4 甲基喹啉和 6 甲基喹啉在睾丸酮丝毛单胞菌 (ComamonastestosteroniQ1 0 )作用下的降解及底物之间的相互作用进行研究 .结果表明 ,喹啉和 3 甲基喹啉不仅能有效地被降解 ,而且细菌也有明显的生长 ,而其它化合物虽有部分降解但没有观察到细胞生长 .底物初始浓度的增加对菌Q1 0 有一定抑制作用 .喹啉的存在对其它化合物的降解具有不同的促进效应 ,其中尤以 6 甲基喹啉和 4 甲基喹啉最为明显 ,能在较短时间内得到完全去除 。A bacterial strain Q 10 with the ability to degrade quinoline was isolated from activated sludge of a gas generating wastewater and identified as Comamonas testosteroni .This paper focused on the study of the biodegradation ability of quinoline,2 methylquinoline,3 methylquinoline, 4 me thylquinoline,6 methylquinoline,isoquinoline and the substrates interactions.The results showed that quinoline and 3 methylquinoline can be effectively removed and they can stimulate the growth of strain Q 10 simultaneously.However,no apparent cell growth was observed during other substrates degradation though they can partly be degraded.The increase of initial concentration of the substrates had inhibitory effect on the activity of strain Q 10 .The presence of quinoline can stimulate the degradation of other compounds to different degrees,in which the enhancement effects were significantly for the degradation of 6 methylquinoline and 4 methylquinoline and they can be completely removed in a short time.In all binary systems,however,the degradation of quinoline was inhibited.

关 键 词：睾丸酮丛毛单胞菌 喹啉 降解 废水处理 活性污泥 

分 类 号：X703[环境科学与工程—环境工程] X172