POLYPHENOL OXIDASE IN AZOSPIRILLUM-LIPOFERUM ISOLATED FROM RICE RHIZOSPHERE - EVIDENCE FOR LACCASE ACTIVITY IN NONMOTILE STRAINS OF AZOSPIRILLUM-LIPOFERUM

被引：2

作者：

GIVAUDAN, A ^{[1
]}

EFFOSSE, A ^{[1
]}

FAURE, D ^{[1
]}

POTIER, P ^{[1
]}

BOUILLANT, ML ^{[1
]}

BALLY, R ^{[1
]}

机构：

[1] UNIV LYON 1, ECOL MICROBIENNE SOL LAB, CNRS, URA 1450, BAT 741, F-69622 VILLEURBANNE, FRANCE

来源：

FEMS MICROBIOLOGY LETTERS | 1993年 / 108卷 / 02期

关键词：

AZOSPIRILLUM-LIPOFERUM; RICE RHIZOSPHERE; POLYPHENOL OXIDASE; LACCASE; MELANIN;

D O I：

10.1016/0378-1097(93)90586-Q

中图分类号：

Q93 [微生物学];

学科分类号：

071005 ; 100705 ;

摘要：

In non-motile forms of Azospirillum lipoferum isolated from the rhizosphere of rice, polyphenol oxidase activity was observed which correlated with production of a dark-brown pigment. Using a combination of substrate/inhibitor specificity tests, intracellular enzyme extracts of non-motile strains were clearly demonstrated to have a laccase activity by oxidizing various o- and p-diphenols. This work is the first report on laccase activity in Azospirillum.

引用

页码：205 / 210

页数：6

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