References of "Fauconnier, Marie-Laure"
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See detailStudy of precursors responsible for off-flavor formation during storage of potato flakes.
Laine, G.; Göbel, Cornelia; du Jardin, Patrick ULg et al

in Journal of Agricultural and Food Chemistry (2006), 54

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See detailAphids (Myzus persicae) lipoxygenase and oxylipins profiling.
Harmel, N.; Laine, G.; Gosset, V. et al

Conference (2006)

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See detailOff-flavours apparearing during storage of different potato flake formulations.
Laine, G.; Goebel, C.; Feussner, I. et al

Conference (2006)

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See detailPotato Tuber Proteomics: Comparison Of Two Complementary Extraction Methods Designed For 2-De Of Acidic Proteins
Delaplace, Pierre ULg; Van Der Wal, F.; Dierick, Jf. et al

in Proteomics (2006), 6(24), 6494-6497

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See detailPlant oxylipins
Fauconnier, Marie-Laure ULg

Conference (2005)

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See detailStudy of oxylipins during storage of potato flakes
Laine, G.; Goebel, C.; Feussner, I. et al

Conference (2005)

Detailed reference viewed: 2 (0 ULg)
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See detailStimulation of the lipoxygenase pathway is associated with systemic resistance induced in bean by a nonpathogenic Pseudomonas strain
Ongena, MARC ULg; Duby, Franceline ULg; Rossignol, Fanny et al

in Molecular Plant-Microbe Interactions (2004), 17(9), 1009-1018

Systemic defense reactions induced in bean by the nonpathogenic Pseudomonas putida BTP1 strain reduced disease caused by Botrytis cinerea. Phenylalanine ammonialyase activity and the level of endogenous ... [more ▼]

Systemic defense reactions induced in bean by the nonpathogenic Pseudomonas putida BTP1 strain reduced disease caused by Botrytis cinerea. Phenylalanine ammonialyase activity and the level of endogenous free sallicylic acid were compared in plant growth-promoting rhizobacteria-treated versus control plants, but no significant differences were detected. Furthermore, no enhanced fungitoxicity was detected in methanolic leaf extracts, suggesting that accumulation of bean phytoalexins was not part of the stimulated defense mechanisms. However, BTP1-inoculated plants showed increased levels of both linoleic and linolenic acids. On this basis, we further investigated whether the lipoxygenase pathway, leading to antifungal phytooxylipins, could have been stimulated. Two key enzymatic activities of this metabolic route, namely lipoxygenase and hydroperoxidelyase, were significantly stimulated during the first four days after challenging BTP1-treated plants with the pathogen. This was observed in parallel with a more rapid consumption of the respective substrates of these enzymes, as revealed by measurements of endogenous concentrations of linolenic acid and their hydroperoxide derivatives. Moreover, headspace-gas chromatography analyses showed significantly higher concentrations of the fungitoxic final product Z-3-hexenal in leaves from BTP1-inoculated beans as compared with control plants. Taken together, these results strongly suggest that the oxylipin pathway can be associated with enhanced disease resistance induced in bean plants by nonpathogenic rhizobacteria. [less ▲]

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See detailLipid and oxylipin profile during storage of potato tubers
Fauconnier, Marie-Laure ULg; Welti, R.; Delaplace, Pierre ULg et al

Poster (2004, June 03)

Detailed reference viewed: 8 (1 ULg)