INFLUENCE OF THE PHYSICAL STATE OF LIGNIN ON ITS DEGRADABILITY BY THE LIGNIN PEROXIDASE OF PHANEROCHAETE-CHRYSOSPORIUM

被引：29

作者：

KUREK, B ^{[1
]}

MONTIES, B ^{[1
]}

ODIER, E ^{[1
]}

机构：

[1] INRA,CTR BIOTECHNOL AGROIND,CHIM BIOL LAB,F-78850 THIVERVAL GRIGNON,FRANCE

来源：

ENZYME AND MICROBIAL TECHNOLOGY | 1990年 / 12卷 / 10期

关键词：

colloidal lignin; depolymerization; lignin peroxidase; lignin; !sup]14[!/sup]C labelled lignin; Lignin; milled wood; Phanerochaete chrysosporium;

D O I：

10.1016/0141-0229(90)90150-O

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

The rate of oxidation of spruce milled wood lignin by Phanerochaete chrysosporium was investigated with precipitated lignin as well as lignin finely dispersed in water (colloidal lignin). H2O2 consumption rates in the course of lignin oxidation in the presence of purified lignin peroxidase were much higher with colloidal lignin compared with precipitated lignin. Characterization of reaction products and molecular-size distribution confirms that reaction rate of lignin peroxidase with 14C-lignin is strongly dependent on the physical state of lignin. The lignin peroxidase catalyse mainly repolymerization of colloidal lignin. However, in the presence of veratryl alcohol, both polymerization and depolymerization were observed. © 1990.

引用

页码：771 / 777

页数：7

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