MOLECULAR-BASIS OF THE ESTABLISHMENT AND FUNCTIONING OF A N-2-FIXING ROOT-NODULE

被引:6
作者
MICHIELS, J [1 ]
VANDERLEYDEN, J [1 ]
机构
[1] CATHOLIC UNIV LEUVEN, GENET LAB, B-3001 HEVERLEE, BELGIUM
关键词
BACTEROID; BRADYRHIZOBIUM; LEGUME; NITROGEN FIXATION; NODULATION; RHIZOBIUM;
D O I
10.1007/BF00327946
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
Compatible interactions between rhizobia and their leguminous host plant(s) culminate in the formation of a new plant organ, the root nodule. Within this structure, the bacteria reduce N-2 to NH3 which is then assimilated by the plant. The formation of a N-2-fixing nodule requires a continuous process of two-way signalling and cellular recognition between the prokaryote and the plant. Such a process involves the sequential activation and/or repression of host plant- and bacteria-encoded genes. Finally, functioning of a legume-nodule necessitates not only the adaptation of plant and bacterial carbon, nitrogen and oxygen metabolism to an environment allowing N-2-fixation to occur, but also requires a tight co-ordination and integration of these plant and bacterial metabolic processes.
引用
收藏
页码:612 / 630
页数:19
相关论文
共 208 条
[1]   OXYGEN REGULATION OF NIFA TRANSCRIPTION INVITRO [J].
AGRON, PG ;
DITTA, GS ;
HELINSKI, DR .
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 1993, 90 (08) :3506-3510
[2]   THE REGULATORY STATUS OF THE FIXL-LIKE AND FIXJ-LIKE GENES IN BRADYRHIZOBIUM-JAPONICUM MAY BE DIFFERENT FROM THAT IN RHIZOBIUM-MELILOTI [J].
ANTHAMATTEN, D ;
HENNECKE, H .
MOLECULAR & GENERAL GENETICS, 1991, 225 (01) :38-48
[3]   CHARACTERIZATION OF A FIXLJ-REGULATED BRADYRHIZOBIUM-JAPONICUM GENE SHARING SIMILARITY WITH THE ESCHERICHIA-COLI FNR AND RHIZOBIUM-MELILOTI FIXK GENES [J].
ANTHAMATTEN, D ;
SCHERB, B ;
HENNECKE, H .
JOURNAL OF BACTERIOLOGY, 1992, 174 (07) :2111-2120
[4]   LEGHEMOGLOBIN AND RHIZOBIUM RESPIRATION [J].
APPLEBY, CA .
ANNUAL REVIEW OF PLANT PHYSIOLOGY AND PLANT MOLECULAR BIOLOGY, 1984, 35 :443-478
[5]   NUCLEOTIDE-SEQUENCE OF THE FIXABC REGION OF AZORHIZOBIUM-CAULINODANS ORS571 - SIMILARITY OF THE FIXB PRODUCT WITH EUKARYOTIC FLAVOPROTEINS, CHARACTERIZATION OF FIXX, AND IDENTIFICATION OF NIFW [J].
ARIGONI, F ;
KAMINSKI, PA ;
HENNECKE, H ;
ELMERICH, C .
MOLECULAR & GENERAL GENETICS, 1991, 225 (03) :514-520
[6]  
ARWAS R, 1985, J GEN MICROBIOL, V131, P2059
[7]   HOMOLOGY OF RHIZOBIUM-MELILOTI NODC TO POLYSACCHARIDE POLYMERIZING ENZYMES [J].
ATKINSON, EM ;
LONG, SR .
MOLECULAR PLANT-MICROBE INTERACTIONS, 1992, 5 (05) :439-442
[8]   6 NODULATION GENES OF NOD BOX LOCUS-4 IN RHIZOBIUM-MELILOTI ARE INVOLVED IN NODULATION SIGNAL PRODUCTION - NODM CODES FOR D-GLUCOSAMINE SYNTHETASE [J].
BAEV, N ;
ENDRE, G ;
PETROVICS, G ;
BANFALVI, Z ;
KONDOROSI, A .
MOLECULAR & GENERAL GENETICS, 1991, 228 (1-2) :113-124
[9]   REGULATION OF NOD GENE-EXPRESSION IN BRADYRHIZOBIUM-JAPONICUM [J].
BANFALVI, Z ;
NIEUWKOOP, A ;
SCHELL, M ;
BESL, L ;
STACEY, G .
MOLECULAR & GENERAL GENETICS, 1988, 214 (03) :420-424
[10]  
BARBOUR WM, 1992, BIOL NITROGEN FIXATI, P649