LIPID-PEROXIDATION BY THE MANGANESE PEROXIDASE OF PHANEROCHAETE-CHRYSOSPORIUM IS THE BASIS FOR PHENANTHRENE OXIDATION BY THE INTACT FUNGUS

被引：141

作者：

MOEN, MA ^{[1
]}

HAMMEL, KE ^{[1
]}

机构：

[1] USDA,FOREST PROD LAB,INST MICROBIAL & BIOCHEM TECHNOL,MADISON,WI 53705

来源：

APPLIED AND ENVIRONMENTAL MICROBIOLOGY | 1994年 / 60卷 / 06期

关键词：

D O I：

10.1128/AEM.60.6.1956-1961.1994

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 manganese peroxidase (MnP) of Phanerochaete chrysosporium supported Mn(II)-dependent, H2O2 independent lipid peroxidation, as shown by two findings: linolenic acid was peroxidized to give products that reacted with thiobarbituric acid, and linoleic acid was peroxidized to give hexanal. MnP also supported the slow oxidation of phenanthrene to 2,2'-diphenic acid in a reaction that required Mn(II), oxygen, and unsaturated lipids. Phenanthrene oxidation to diphenic acid by intact cultures of P. chrysosporium occurred to the same extent that oxidation in vitro did and was stimulated by Mn. These results support a role for MnP-mediated lipid peroxidation in phenanthrene oxidation by P. chrysosporium.

引用

页码：1956 / 1961

页数：6

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