REGULATION OF NITROGEN-FIXATION IN AZOSPIRILLUM-BRASILENSE SP7 - INVOLVEMENT OF NIFA, GLNA AND GLNB GENE-PRODUCTS

被引：43

作者：

LIANG, YY

DEZAMAROCZY, M

ARSENE, F

PAQUELIN, A

ELMERICH, C

机构：

[1] INST PASTEUR,UNITE PHYSL CELLULAIRE,25 RUE DR ROUX,F-75724 PARIS 15,FRANCE

[2] INST PASTEUR,DEPT BIOTECHNOL,CNRS,URA 1300,F-75724 PARIS 15,FRANCE

来源：

FEMS MICROBIOLOGY LETTERS | 1992年 / 100卷 / 1-3期

关键词：

AZOSPIRILLUM-BRASILENSE; NITROGEN FIXATION REGULATION; GLUTAMINE SYNTHETASE; PII-PROTEIN; NIFA PROTEIN;

D O I：

10.1111/j.1574-6968.1992.tb05691.x

中图分类号：

Q93 [微生物学];

学科分类号：

071005 ; 100705 ;

摘要：

The expression of nifA-, niH- and nifB-lacZ fusions was examined in different mutants of Azospirillum brasilense. Mutations in nifA, glnA and glnB severely impaired the expression of nifH- and nifB-lacZ fusions. By contrast, a nifA-lacZ fusion was not affected in a nifA or a glnB background and was only partially impaired in glnA mutants. It is proposed that in A. brasilense, the P(II) protein and glutamine synthetase are involved in a post-translational modification of NifA.

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页码：113 / 120

页数：8

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