Search Results - "Reignault, P."

A Plant Nutrient- and Microbial Protein-Based Resistance Inducer Elicits Wheat Cultivar-Dependent Resistance Against Zymoseptoria tritici by Ors, M, Randoux, B, Siah, A, Couleaud, G, Maumené, C, Sahmer, K, Reignault, P, Halama, P, Selim, S

“…The induction of plant defense mechanisms by resistance inducers is an attractive and innovative alternative to reduce the use of fungicides on wheat against ,…”
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Cultivar‐dependent partial resistance and associated defence mechanisms in wheat against Zymoseptoria tritici by Ors, M. E., Randoux, B., Selim, S., Siah, A., Couleaud, G., Maumené, C., Sahmer, K., Halama, P., Reignault, P.

“…Septoria tritici blotch caused by the fungus Zymoseptoria tritici is one of the most devastating foliar diseases of wheat. Knowledge regarding mechanisms…”
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Correlation of in planta endo-beta-1,4-xylanase activity with the necrotrophic phase of the hemibiotrophic fungus Mycosphaerella graminicola by Siah, A, Deweer, C, Duyme, F, Sanssené, J, Durand, R, Halama, P, Reignault, P

“…The association of the cell wall degrading enzyme endo-beta-1,4-xylanase (EC 3.2.1.8) with pathogenicity of Mycosphaerella graminicola was examined in planta…”
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Trehalose Induces Resistance to Powdery Mildew in Wheat by Ph. Reignault, Cogan, A., Muchembled, J., Sahraoui, A. Lounes-Hadj, Durand, R., Sancholle, M.

“…Reduction in the degree of powdery mildew infection of wheat leaves is observed after treatments with trehalose, a nonreducing disaccharide commonly found in a…”
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Detection of strobilurin-resistant isolates of Mycosphaerella graminicola in Morocco by Elbekali, A Y, Ramdani, A, Siah, A, Tisserant, B, Deweer, C, Hafidi, M, Reignault, P, Halama, P

“…Septoria tritici blotch caused by Mycosphaerella graminicola (anamorph: Septoria tritici) is nowadays one of the most frequently occurring diseases on both…”
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Two Mycosphaerella graminicola French isolates differ in symptoms, in planta sporulation and cell wall degrading enzymes in vitro production by Siah, A, Deweer, C, Reignault, P, Halama, P

“…The pathogenicity level of two French Mycosphaerella grominicola field isolates (T0414 and T0251) was evaluated on Soissons wheat cultivar using two methods:…”
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Pectin methylesterase from Botrytis cinerea: physiological, biochemical and immunochemical studies by Reignault, P, Mercier, M, Bompeix, G, Boccara, M

“…Pectin methylesterase (PME) was purified from the supernatant of Botrytis cinerea strain Bd90. SDS-PAGE showed a single band at 42 kDa, but this band…”
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Four Arabidopsis RPP loci controlling resistance to the Noco2 isolate of Peronospora parasitica map to regions known to contain other RPP recognition specificities by Reignault, P. (Universite Pierre et Marie Curie, Paris, France.), Frost, L.N, Richardson, H, Daniels, M.J, Jones, J.D.G, Parker, J.E

“…Interactions between Arabidopsis thaliana and the downy mildew fungus Peronospora parasitica provide a model system to study the genetic and molecular basis of…”
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Correlation of fungal penetration, CWDE activities and defense-related genes with resistance of durum wheat cultivars to Zymoseptoria tritici by Somai-Jemmali, L., Siah, A., Harbaoui, K., Fergaoui, S., Randoux, B., Magnin-Robert, M., Halama, P., Reignault, P., Hamada, W.

“…We investigated here for the first time the infectious process and CWDE activities of Zymoseptoria tritici on durum wheat (DW), by using three Tunisian…”
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Lipid metabolism is differentially modulated by salicylic acid and heptanoyl salicylic acid during the induction of resistance in wheat against powdery mildew by Tayeh, Christine, Randoux, Béatrice, Bourdon, Natacha, Reignault, Philippe

“…Heptanoyl salicylic acid (HSA) is a salicylic acid (SA) derivative obtained by esterification of 2-OH benzoic acid with heptanoic acid. In wheat, the…”
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Azoxystrobin resistance of French Mycosphaerella graminicola strains assessed by four in vitro bioassays and by screening of G143A substitution by Siah, A., Deweer, C., Morand, E., Reignault, Ph, Halama, P.

“…We tested here five distinct in vitro screening methods assessing Mycosphaerella graminicola resistance to strobilurin fungicides: (i) spotting on agar medium,…”
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Conference report on preparedness for new emerging infectious disease epidemics and their socio-economic consequences by Besombes, C., Marsot, M., Parneix, P., Fourichon, C., Reignault, P., Renault, D., de Perthuis, C., Weill, C., Keller, F., Hirsch, E., Vitour, D., Raude, J., Hoen, B., Leport, C., Guégan, J.-F.

“…On November 10, 2021, the tenth annual Ecole du Val-de-Grâce Seminar on Emerging Infectious Diseases [1] brought together French global health experts around…”
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Iodus 40, salicylic acid, heptanoyl salicylic acid and trehalose exhibit different efficacies and defence targets during a wheat/powdery mildew interaction by Renard-Merlier, Delphine, Randoux, Béatrice, Nowak, Emmanuel, Farcy, Flora, Durand, Roger, Reignault, Philippe

“…The protective efficacies of salicylic acid and Iodus 40 on the wheat/powdery mildew interaction are described and compared with those of heptanoyl salicylic…”
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Distinct Defenses Induced in Wheat Against Powdery Mildew by Acetylated and Nonacetylated Oligogalacturonides by Randoux, Béatrice, Renard-Merlier, Delphine, Mulard, Ghislain, Rossard, Stéphanie, Duyme, Florent, Sanssené, Jean, Courtois, Josiane, Durand, Roger, Reignault, Philippe

“…In wheat, little is known about disease resistance inducers and, more specifically, about the biological activities from those derived from endogenous…”
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Disruption of Botrytis cinerea Pectin Methylesterase Gene Bcpme1 Reduces Virulence on Several Host Plants by Valette-Collet, Odile, Cimerman, Agnès, Reignault, Philippe, Levis, Caroline, Boccara, Martine

“…The pectinolytic enzyme pectin methylesterase (PME) hydrolyses pectin in methanol and polygalacturonic acid. In the expressed sequence tag library of Botrytis…”
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Genetic diversity of Mycosphaerella graminicola isolates from a single field by Siah, A, Reignault, Ph, Halama, P

“…Septoria tritici blotch caused by Mycosphaerella graminicola is currently one of the most economically damaging diseases on wheat crops worldwide. Two hundred…”
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Lipids as markers of induced resistance in wheat: a biochemical and molecular approach by Tayeh, Ch, Randoux, B, Laruelle, F, Bourdon, N, Reignault, Ph

“…Our work aimed at a global investigation of the lipid metabolism during the induction of resistance in wheat (Triticum aestivum) against powdery mildew…”
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Assessment of the cytochrome B substitution G143A in the Algerian population of Mycosphaerella graminicola by Allioui, N, Siah, A, Brinis, L, Reignault, Ph, Halama, P

“…Mycosphoerella graminicola (anamorph: Zymoseptoria tritici), causal agent of Septoria tritici blotch, is currently one of the most damaging diseases on both…”
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Plant-pathogen interactions: will the understanding of common mechanisms lead to the unification of concepts? by Reignault, Philippe, Sancholle, Michel

“…Plant-pathogen interactions are still classically described using concepts that make a distinction between qualitative and quantitative aspects linked to these…”
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Induction of resistance in wheat against powdery mildew by bacterial cyclic lipopeptides by Khong, N G, Randoux, B, Tayeh, Ch, Coutte, F, Bourdon, N, Tisserant, B, Laruelle, F, Jacques, Ph, Reignault, Ph

“…In conventional agricultural practices, fungicides are extensively used to control the development of many fungal plant pathogens. However, the reduction of…”
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