1997
DOI: 10.1094/mpmi.1997.10.3.339
|View full text |Cite
|
Sign up to set email alerts
|

Effects of Rhizobium tropici, R. etli, and R. leguminosarum bv. phaseoli on nod Gene-Inducing Flavonoids in Root Exudates of Phaseolus vulgaris

Abstract: Flavonoids play an important role as signal molecules in the early stages of the legume-Rhizobium symbiosis. The flavonoid content in root exudates of individual seedlings of Phaseolus vulgaris cv. Rab39 was determined by a sensitive method that combines absorption onto cellulose acetate filter strips with separation, identification, and quantification of individual compounds by high-performance liquid chromatography/diode-array detector and gas chromatography-mass spectroscopy analyses. We identified six flav… Show more

Help me understand this report

Search citation statements

Order By: Relevance

Paper Sections

Select...
1
1
1
1

Citation Types

3
29
0
1

Year Published

2001
2001
2016
2016

Publication Types

Select...
4
3
2

Relationship

0
9

Authors

Journals

citations
Cited by 71 publications
(33 citation statements)
references
References 33 publications
3
29
0
1
Order By: Relevance
“…The flavonoid composition of french bean (Phaseolus vulgaris L.) root exudates has been assessed in four studies: Hungria et al (1991) used P. vulgaris var. PI165426CS, Bolaños-Vásquez and Werner (1997) studied P. vulgaris var. Rab39, Isobe et al (2001) analyzed P. vulgaris cv.…”
Section: Flavonoids In the Root Exudates Of Leguminous Plantsmentioning
confidence: 99%
“…The flavonoid composition of french bean (Phaseolus vulgaris L.) root exudates has been assessed in four studies: Hungria et al (1991) used P. vulgaris var. PI165426CS, Bolaños-Vásquez and Werner (1997) studied P. vulgaris var. Rab39, Isobe et al (2001) analyzed P. vulgaris cv.…”
Section: Flavonoids In the Root Exudates Of Leguminous Plantsmentioning
confidence: 99%
“…Flavonoids act as chemoattractants for rhizobial bacteria and as specific inducers of rhizobial nodulation genes (nod-genes), which are involved in the synthesis of lipo-chitooligosaccharide signals, called Nod factors (reviewed in [7]). In roots of legumes Nod factors induce the accumulation of flavonoids resulting in the secretion of more flavonoids by the root, which further stimulate the production of Nod factors by the bacteria [8][9][10][11]. Apart from their function in the rhizobium-legume interaction, flavonoids also act as signaling compounds in the AM symbiosis and in different plant-soil pathogen interactions.…”
Section: Flavonoidsmentioning
confidence: 99%
“…leguminosarum 4292 (pIJ1737) (pIJ1730) β-galactosidase Nodulation factors [9] R. leguminosarum 3841 (pOT1) Green fluorescence Nodulation factors [2] P. fluorescens F113 SF3 (pLS312), SF5 (pLS52) Bioluminescence Ecological interactions [117] in food chains, and therefore improving the risk assessment for terrestrial ecosystems. Although the toxicity of a specific compound or element can vary for different organisms, it has been reported that the median effective concentrations (EC 50 ) of more than 1200 chemical substances for prokaryotes, eukaryotes and humans can be compared to their effects on V. fischeri bioluminescence [101].…”
Section: Indication Of Bioavailability: the Edge Over Soil Chemical Amentioning
confidence: 99%
“…A classical and agriculturally relevant plant/microbe interaction is the legume-Rhizobium where plant flavonoid compounds control early stages of the symbiosis by activating the rhizobial nod genes. A Rhizobium reporter based on a nodC-lacZ fusion was constructed by Bolanos Vasquez and Warner [9] to study activation by six different flavonoids from host bean plants. Identification of more specific molecular signals regulating bacterial growth and activity in the rhizosphere have been discovered with the reporter gene technique [2,80,105] and have allowed to identify specific rhizosphere-activated promoters in main rhizobacteria such as Rhizobium sp.…”
Section: Biosensors For Detecting Bioactive Substances and Cell Stressmentioning
confidence: 99%