Bioremediation of lignosulphonates by lignin-degrading basidiomycetous fungi

被引：16
|
作者：
Eugenio, M. E. [1 ]
Carbajo, J. M. [1 ]
Terron, M. C. [2 ]
Gonzalez, A. E. [2 ]
Villar, J. C. [1 ]
机构：
[1] CIFOR INIA, Madrid 28040, Spain
[2] CSIC, CIB, E-28040 Madrid, Spain
来源：
BIORESOURCE TECHNOLOGY | 2008年 / 99卷 / 11期
关键词：
pulp industry; acid bisulphite cooking; lignosulphonates; white-rot fungi; laccase;
D O I：
10.1016/j.biortech.2007.09.018
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
The capability of some ligninolytic fungi to degrade lignosulphonates has been studied. Three lignosulphonates concentrations, three culture media and seven different basidiomycetes in solid-cultures have been assayed to select the conditions for further experiments on submerged cultures. The best results of growth and lignosulphonate decolourization in solid-cultures were obtained with Pycnoporus sanguineus, Coriolus pubescens and Trametes sp. 1-62 on Kirk's medium and 1% and 2% of lignosulphonate concentrations. In submerged cultures the lignosulphonate decolourization rate was generally higher when it was added on the 6th day, rather than when it was added from the beginning of the incubation and C pubescens and P. sanguineus showed again the optimum results of decolourization. Extracellular laccase activity increased with lignosulphonate concentration in all assayed fungi, suggesting that lignosulphonate act as inductors of laccase activity. (C)2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码：4929 / 4934
页数：6
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