ISOLATION OF EXCEEDINGLY LOW OXYGEN CONSUMING FUNGAL STRAINS ABLE TO UTILIZE LIGNIN AS CARBON SOURCE

被引：0
|
作者：
Ran, Bi [1 ,2 ]
Huang, Shan [1 ,3 ]
Henriksson, Gunnar [1 ,2 ]
机构：
[1] Royal Inst Technol KTH, Sch Chem Sci & Engn, Div Wood Chem & Pulp Technol, SE-10044 Stockholm, Sweden
[2] Royal Inst Technol KTH, Wallenberg Wood Sci Ctr, SE-10044 Stockholm, Sweden
[3] Linnaeus Univ, Sch Nat Sci, SE-39182 Kalmar, Sweden
来源：
CELLULOSE CHEMISTRY AND TECHNOLOGY | 2016年 / 50卷 / 7-8期
关键词：
carbon source; extracellular enzymes; extremely low oxygen content; lignin biodegradation; soil microorganisms; PHANEROCHAETE-CHRYSOSPORIUM; CELLOBIOSE DEHYDROGENASE; LACCASE; IDENTIFICATION; CLEAVAGE; ENZYME;
D O I：
暂无
中图分类号：
TB3 [工程材料学]; TS [轻工业、手工业、生活服务业];
学科分类号：
0805 ; 080502 ; 0822 ;
摘要：
Lignin biodegradation is normally related to aerobic microorganisms, and it is often claimed that microbes do not metabolize lignin as a carbon source. In this work, several fungal strains were isolated from the sediment of a small stream located in a forest and tested on agar plates with lignin as the only carbon source. All identified strains were Ascomycetes, Penicillium spinulosum, Pseudeurotium bakeri and Galactomyces geotrichum. When cultivated in shaking flasks with lignosulphonate as a carbon source, the lignin was consumed, and cell free culture filtrates appeared to depolymerize lignosulphonate to some extent. It is suggested that the strains detected are part of a symbiotic community and live in a microbiological niche in which they are able to utilize lignin residues left from brown rot and humus having extremely low oxygen content.
引用
收藏
页码：811 / 817
页数：7
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