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活性红M-3BE脱色真菌的筛选及脱色性能研究

Keywords: 活性红M-3BE,真菌,染料脱色,锰依赖过氧化物酶,木质素过氧化物酶

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Abstract:

从自然环境中分离到2株对染料活性红M-3BE具有明显脱色效果的真菌,经形态学和26SrDNA序列分析,将其鉴定为Fusariumoxysporum和Geosmithiaviridis。采用初始浓度50mg/LM-3BE的液体培养基同步脱色培养,F.oxysporum在24h内对M-3BE的脱色率为96%,G.viridis在36h内的脱色率为82%。对脱色酶系的检测结果表明,脱色过程中F.oxysporum能产生LiP和MnP,G.viridis则仅产生LiP。此外,F.oxysporu和G.viridis对另外7种染料的脱色率也可分别达到16%~100%和83.3%~100%。

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