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
收藏
页码：205 / 210
页数：6
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