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Article

Effects of alfalfa nod gene-inducing flavonoids on nodABC transcription in Rhizobium meliloti strains containing different nodD genes.

Journal of bacteriology - 1 May 1990

Hartwig U A, Maxwell C A, Joseph C M, Phillips D A

Abstract excerpt

Transcription of the nodulation genes nodABC in Rhizobium meliloti requires a plant flavonoid signal and nodD, a family of bacterial regulatory genes (nodD1, nodD2, and nodD3). Results from this study show that all previously identified nod gene inducers released by alfalfa seeds and roots induce...

Topics

Acyltransferases
Bacterial Outer Membrane Proteins
Bacterial Proteins
Flavonoids
Gene Expression Regulation, Bacterial
Genes, Bacterial
Genes, Regulator
Genotype
Luteolin
Medicago sativa
N-Acetylglucosaminyltransferases

Methodology Data sources Editorial policy Privacy About Contact Helena Bioinformatics

Rhizobium

Transcription, Genetic

Source

Open in PubMed Open full text

Identifiers

PMID: 2332406
DOI: 10.1128/jb.172.5.2769-2773.1990
PMCID: PMC208924

Provenance

PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 30 Aug 2026. Prepared record publication-2332406-2026-08-30.1. Manifest publication-graph-cohort-2026-08-30.1.

Source receipt: PubMed via Helena Literature Corpus, retrieved 30 Aug 2026.

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Effects of alfalfa nod gene-inducing flavonoids on nodABC transcription in Rhizobium meliloti strains containing different nodD genes.PMID 2332406Read ↗

Rhizobium meliloti nodD genes mediate host-specific activation of nodABC.Semantic proximity Read ↗

Flavonoids, NodD1, NodD2, and nod-box NB15 modulate expression of the y4wEFG locus that is required for indole-3-acetic acid synthesis in Rhizobium sp. strain NGR234.Semantic proximity Read ↗

Regulation of Nod factor biosynthesis by alternative NodD proteins at distinct stages of symbiosis provides additional compatibility scrutiny.Semantic proximity Read ↗

Methylated chalcones are required for rhizobial nod gene induction in the Medicago truncatula rhizosphere.Semantic proximity Read ↗

Inactivation of the nod box distal half-site allows tetrameric NodD to activate nodA transcription in an inducer-independent manner.Semantic proximity Read ↗

nodD alleles of Sinorhizobium fredii USDA191 differentially influence soybean nodulation, nodC expression, and production of exopolysaccharides.Semantic proximity Read ↗

nodD2 of Rhizobium sp. NGR234 is involved in the repression of the nodABC operon.Semantic proximity Read ↗

Isolation and characterization of mutant Sinorhizobium meliloti NodD1 proteins with altered responses to luteolin.Semantic proximity Read ↗

The NodD proteins of Rhizobium sp. strain BR816 differ in their interactions with coinducers and in their activities for nodulation of different host plants.Semantic proximity Read ↗

The common nodABC genes of Rhizobium meliloti are host-range determinants.Semantic proximity Read ↗

Six nodulation genes of nod box locus 4 in Rhizobium meliloti are involved in nodulation signal production: nodM codes for D-glucosamine synthetase.Semantic proximity Read ↗

Extension of host range of Rhizobium leguminosarum bv. trifolii caused by point mutations in nodD that result in alterations in regulatory function and recognition of inducer molecules.Semantic proximity Read ↗

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