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3. Exclusion of third-party arthropods conditions the efficiency of an attract and reward strategy against Dysaphis plantaginea in apple orchards

Author

Yguel, Benjamin, primary, Peñalver-Cruz, Ainara, additional, Heintz, Christelle, additional, Braud, Ferreol, additional, Cattaneo, Christian, additional, Gaucher, Matthieu, additional, Brisset, Marie-noelle, additional, Didelot, Frederique, additional, Jaloux, Bruno, additional, Moindziwa, Ismael, additional, and Bricout, Margot, additional

Published
2024
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4. Setting-up a fast and reliable cytokinin biosensor based on a plant histidine kinase receptor expressed in Saccharomyces cerevisiae

Author

Daudu, Dimitri, Kisiala, Anna, Werner Ribeiro, Carolina, Mélin, Céline, Perrot, Laura, Clastre, Marc, Courdavault, Vincent, Papon, Nicolas, Oudin, Audrey, Courtois, Martine, Dugé de Bernonville, Thomas, Gaucher, Matthieu, Degrave, Alexandre, Lanoue, Arnaud, Lanotte, Philippe, Schouler, Catherine, Brisset, Marie-Noëlle, Emery, R.J. Neil, Pichon, Olivier, Carpin, Sabine, Giglioli-Guivarc’h, Nathalie, Crèche, Joël, Besseau, Sébastien, and Glévarec, Gaëlle

Published
2019
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5. Overexpression of an apple broad range agglutinating lectin does not promote in plantaresistance to fire blight and bacterial wilt

Author

Bodelot, Antoine, Chavonet, Erwan, Brisset, Marie Noelle, Dousset, Nicolas, Ravon, Elisa, Heintz, Christelle, Berthomé, Richard, Zaffuto, Matilda, Kempf, Marie, Foulon, Mélanie, Marion, Estelle, Vergne, Emilie, and Degrave, Alexandre

Abstract

Lectins, a large group of proteins present in all kingdoms of life can bind reversibly to glycans. The roles of plant lectins are diverse and include resistance to biotic or abiotic stress, notably bacterial resistance. A gene family encoding amaranthin-like lectins termed MdAGGs in apple (Malus domestica) has been identified to be overexpressed upon treatment with the plant resistance inducer acibenzolar-S-methyl (ASM) which promotes enhanced resistance to the fire blight disease caused by Erwinia amylovora(Ea). In this study, we first screened the ability of purified MdAGG10 to agglutinate bacterial cells in vitroamong a range of bacterial species. Several bacterial species, either Gram positive or negative, either plant- or human-pathogens were found to be agglutinated by MdAGG10 in acidic conditions. Apple and Arabidopsis lines constitutively overexpressing MdAGG10were generated and evaluated for their resistance to, respectively, Eaand Ralstonia solanacearum, both plant pathogens that were found in our screening. Despite MdAGG10 protein accumulated in tissues of both apple and Arabidopsis lines, they remained susceptible to their respective pathogens. Interestingly, in vitroagglutination of Eaby MdAGG10 did not impair bacterial growth, suggesting that other plant molecules are involved in the resistance to fire blight triggered after an ASM treatment.

Published
2024
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6. Overexpression of an apple broad range agglutinating lectin does not promote in planta resistance to fire blight and bacterial wilt

Author

Bodelot, Antoine, primary, Chavonet, Erwan, additional, Brisset, Marie Noelle, additional, Dousset, Nicolas, additional, Ravon, Elisa, additional, Heintz, Christelle, additional, Berthomé, Richard, additional, Zaffuto, Matilda, additional, Kempf, Marie, additional, Foulon, Mélanie, additional, Marion, Estelle, additional, Vergne, Emilie, additional, and Degrave, Alexandre, additional

Published
2023
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7. Analysis of Defense-Related Gene Expression and Leaf Metabolome in Wheat During the Early Infection Stages of Blumeria graminis f. sp. tritici

Author

Allario, Thierry, primary, Fourquez, Alice, additional, Magnin-Robert, Maryline, additional, Siah, Ali, additional, Maia-Grondard, Alessandra, additional, Gaucher, Matthieu, additional, Brisset, Marie-Noelle, additional, Hugueney, Philippe, additional, Reignault, Philippe, additional, Baltenweck, Raymonde, additional, and Randoux, Béatrice, additional

Published
2023
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15. Application of laser desorption ionization mass spectrometry in the study of Malus x domestica infected by Erwinia amylovora and treated by a plant resistance inducer

Author

Skopikova, Michaela, Gaucher, Mathieu, Boisard, Séverine, Brisset, Marie Noelle, Richomme, Pascal, Schinkovitz, Andreas, Substances d'Origine Naturelle et Analogues Structuraux (SONAS), and Université d'Angers (UA)

Subjects
[CHIM]Chemical Sciences, ComputingMilieux_MISCELLANEOUS
Abstract

International audience

Published
2019

18. Laser desorption ionization mass spectrometry as an analytical tool for the investigation of Malus X Domestica treated by selected plant resistant inducers

Author

Skopikova, Michaela, Gaucher, Matthieu, Boisard, Séverine, Brisset, Marie-Noelle, Richomme, Pascal, Schinkovitz, Andreas, Substances d'Origine Naturelle et Analogues Structuraux (SONAS), Université d'Angers (UA), Institut de Recherche en Horticulture et Semences (IRHS), Université d'Angers (UA)-AGROCAMPUS OUEST-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Université d'Angers (UA)-AGROCAMPUS OUEST, and Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)

Subjects
[SDV.BID.EVO]Life Sciences [q-bio]/Biodiversity/Populations and Evolution [q-bio.PE], [SDV]Life Sciences [q-bio], fungi, food and beverages, [SDV.BDLR]Life Sciences [q-bio]/Reproductive Biology, [SDV.BV.PEP]Life Sciences [q-bio]/Vegetal Biology/Phytopathology and phytopharmacy
Abstract

Apple is a very important agricultural plant, and globally cultivated fruit tree. For its protection against pathogens, pesticides are commonly used, which poses a heavy burden on the environment. Therefore alternative methods of crop protection are being widely explored, some of them focusing on the stimulation of the plant’s immune defense (e.g. development of resistant genotypes, use of plant resistant inducers). In this respect, the induced formation of protective plant metabolites (phytoalexins) represents the most interesting strategy. Phytoalexins are monitored mostly by liquid chromatography coupled with mass spectrometry (LC-MS). For phenolic phytoalexins, matrix free laser desorption ionization (LDI) may provide a promising supplement or alternative, particularly as many phenols exhibit close structural similarities to commercial matrices used in matrix assisted laser desorption ionization (MALDI). Contrary to LC-MS, LDI-MS can be performed without time consuming sample preparation or chromatographic method optimization and is not limited to specific solvents.

Published
2018

21. Transmission of plant-pathogenic bacteria by nonhost seeds without induction of an associated defense reaction at emergence

Author

Darrasse, Armelle, Darsonval, Arnaud, Boureau, Tristan, Brisset, Marie-Noelle, Durand, Karine, and Jacques, Marie-Agnes

Subjects
Bacteria, Phytopathogenic -- Genetic aspects, Polymerase chain reaction -- Usage, Seeds -- Physiological aspects, Seeds -- Environmental aspects, Genetic transcription -- Analysis, Biological sciences
Abstract

The efficiency of pathogen transmission to seeds of a nonhost plant is determined and bacterial and plant behaviors at emergence are analyzed. The transmission of plant-pathogenic bacteria to and by nonhost seeds has shown a probable role of seeds of nonhost plants as an inoculum source.

Published
2010

22. DEFISTIM-Projet Collaboratif FUI : Accélérer, optimiser et développer la mise en marche des stimulateurs des défenses des plantes (SDP), avec l'appui des outils d'aide à la décision (OAD)

Author

Bonneau, C., Aveline, N., Ayral, J.-L., Baillieul, F., Brisset, Marie-Noelle, Chauvin, Jean-Eric, Corio-Costet, Marie-France, Daire, Xavier, Gaucher, D., Lehingrat, Y., Mery Bernardon, A., Moncomble, D., Pellé, Roland, Saubeau, Guillaume, Tailliez-Lefebvre, D., Thomas, G., Turner, M., Val, Florence, Verjux, N., Pôle de compétitivité (VEGEPOLYS), Institut Français de la Vigne et du Vin (IFV), Université Paris-Sud - Paris 11 (UP11), Université de Reims Champagne-Ardenne (URCA), Institut de Recherche en Horticulture et Semences (IRHS), Université d'Angers (UA)-Institut National de la Recherche Agronomique (INRA)-AGROCAMPUS OUEST, Institut de Génétique, Environnement et Protection des Plantes (IGEPP), Institut National de la Recherche Agronomique (INRA)-Université de Rennes (UR)-AGROCAMPUS OUEST, Santé Végétale (SV), Institut National de la Recherche Agronomique (INRA)-École Nationale d'Ingénieurs des Travaux Agricoles - Bordeaux (ENITAB), Agroécologie [Dijon], Institut National de la Recherche Agronomique (INRA)-Université de Bourgogne (UB)-AgroSup Dijon - Institut National Supérieur des Sciences Agronomiques, de l'Alimentation et de l'Environnement, ARVALIS - Institut du végétal [Paris], Fédération Nationale des Producteurs de Plants de Pomme de Terre (FN3PT), Goëmar Parc technopolitain Atalante, Comité Interprofessionnel du Vin de Champagne (CIVC), In Vivo Agrosolutions, Syngeta Seeds, Vegenov-BBV, Association Française de Protection des Plantes (AFPP). FRA., IFV, Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro), Institut National de la Recherche Agronomique (INRA)-Université de Rennes 1 (UR1), Université de Rennes (UNIV-RENNES)-Université de Rennes (UNIV-RENNES)-AGROCAMPUS OUEST, Fédération Nationale des Producteurs de Plants de Pommes de Terre (FNPPPT), Vegenov (BBV), ProdInra, Archive Ouverte, AGROCAMPUS OUEST-Institut National de la Recherche Agronomique (INRA)-Université d'Angers (UA), Pôle de compétitivité ( VEGEPOLYS ), Université Paris-Sud - Paris 11 ( UP11 ), Université de Reims Champagne-Ardenne ( URCA ), Institut de Recherche en Horticulture et Semences ( IRHS ), Université d'Angers ( UA ) -Institut National de la Recherche Agronomique ( INRA ) -AGROCAMPUS OUEST, Institut de Génétique, Environnement et Protection des Plantes ( IGEPP ), Institut National de la Recherche Agronomique ( INRA ) -Université de Rennes 1 ( UR1 ), Université de Rennes ( UNIV-RENNES ) -Université de Rennes ( UNIV-RENNES ) -AGROCAMPUS OUEST, Santé Végétale ( SV ), Institut National de la Recherche Agronomique ( INRA ) -École Nationale d'Ingénieurs des Travaux Agricoles - Bordeaux ( ENITAB ), Institut National de la Recherche Agronomique ( INRA ) -Université de Bourgogne ( UB ) -AgroSup Dijon - Institut National Supérieur des Sciences Agronomiques, de l'Alimentation et de l'Environnement, Fédération Nationale des Producteurs de Plants de Pommes de Terre ( FNPPPT ), Comité Interprofessionnel du Vin de Champagne ( CIVC ), and Vegenov ( BBV )

Subjects
[SDV] Life Sciences [q-bio], [ SDV ] Life Sciences [q-bio], [SDV]Life Sciences [q-bio]
Abstract

absent

Published
2015

23. The bacterial effector DspA/E is toxic in Arabidopsis thaliana and is required for multiplication and survival of fire blight pathogen

Author

Degrave, Alexandre, Moreau, Manon, Launay, Alban, Barny, Marie Anne, Brisset, Marie-Noelle, Patrit, Oriane, Taconnat, Ludivine, Vedel, Régine, Fagard, Mathilde, Interactions Plantes Pathogènes (IPP), Institut National de la Recherche Agronomique (INRA)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National Agronomique Paris-Grignon (INA P-G), Institut de Recherche en Horticulture et Semences (IRHS), Université d'Angers (UA)-Institut National de la Recherche Agronomique (INRA)-AGROCAMPUS OUEST, Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro), Unité de recherche en génomique végétale (URGV), Institut National de la Recherche Agronomique (INRA)-Université d'Évry-Val-d'Essonne (UEVE)-Centre National de la Recherche Scientifique (CNRS), Institut Jean-Pierre Bourgin (IJPB), Institut National de la Recherche Agronomique (INRA)-AgroParisTech, French National Research Agency [ANR-07-JCJC-0132], French Ministry for Higher Education and Research, AGROCAMPUS OUEST-Institut National de la Recherche Agronomique (INRA)-Université d'Angers (UA), and Centre National de la Recherche Scientifique (CNRS)-Université d'Évry-Val-d'Essonne (UEVE)-Institut National de la Recherche Agronomique (INRA)

Subjects
[SDV]Life Sciences [q-bio], Arabidopsis, Pseudomonas syringae, Genes, Plant, Plant Roots, Electrolytes, Bacterial Proteins, Gene Expression Regulation, Plant, Erwinia amylovora, Glucans, Oligonucleotide Array Sequence Analysis, Plant Diseases, Microbial Viability, Cell Death, Arabidopsis Proteins, Gene Expression Profiling, fungi, food and beverages, Original Articles, Plants, Genetically Modified, Plant Leaves, Phenotype, Protein Biosynthesis, Mutation, Salicylic Acid, Cell Nucleolus
Abstract

The type III effector DspA/E is an essential pathogenicity factor of the phytopathogenic bacterium Erwinia amylovora. We showed that DspA/E was required for transient bacterial growth in nonhost Arabidopsis thaliana leaves, as an E. amylovora dspA/E mutant was unable to grow. We expressed DspA/E in A. thaliana transgenic plants under the control of an oestradiol-inducible promoter, and found that DspA/E expressed in planta restored the growth of a dspA/E mutant. DspA/E expression in these transgenic plants led to the modulation by at least two-fold of the expression of 384 genes, mostly induced (324 genes). Both induced and repressed genes contained high proportions of defence genes. DspA/E expression ultimately resulted in plant cell death without requiring a functional salicylic acid signalling pathway. Analysis of A. thaliana transgenic seedlings expressing a green fluorescent protein (GFP):DspA/E fusion indicated that the fusion protein could only be detected in a few cells per seedling, suggesting the degradation or absence of accumulation of DspA/E in plant cells. Consistently, we found that DspA/E repressed plant protein synthesis when injected by E. amylovora or when expressed in transgenic plants. Thus, we conclude that DspA/E is toxic to A. thaliana: it promotes modifications, among which the repression of protein synthesis could be determinant in the facilitation of necrosis and bacterial growth.

Published
2013
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24. Phloridzin and phloretin are differentially converted during the Erwinia amylovora/apple tree interaction according to the susceptibility of genotypes

Author

Gaucher, Matthieu, Duge De Bernonville, Thomas, Dat, James, Guyot, Sylvain, Brisset, Marie-Noelle, Institut de Recherche en Horticulture et Semences (IRHS), AGROCAMPUS OUEST-Institut National de la Recherche Agronomique (INRA)-Université d'Angers (UA), Station de Recherches Cidricoles et Biotransformation des Fruits et Légumes (SRC - BFL), Institut National de la Recherche Agronomique (INRA), Université d'Angers (UA)-Institut National de la Recherche Agronomique (INRA)-AGROCAMPUS OUEST, and Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)

Subjects
[SDV]Life Sciences [q-bio], apple-tree interaction, phloridzin, phloretin, susceptibility of genotypes
Abstract

absent

Published
2012

25. 8e colloque de la Société Française de Phytopathologie, 5 au 8 juin 2012,Paris, France : Livre des résumés

Author

Attard, Agnès (ed.), Barny, Marie-Anne (ed.), Brisset, Marie-Noelle (ed.), Cilas, Christian (ed.), Dellagi, Alia (ed.), Desprez-Loustau, Marie-Laure (ed.), Expert, Dominique (ed.), Fabre, Frédéric (ed.), Fagard, Mathilde (ed.), Fudal, Isabelle (ed.), Genin, Stéphane (ed.), German, Sylvie (ed.), Gough, Clare (ed.), Grenier, Eric (ed.), Loos, Renaud (ed.), Laval, Valerie (ed.), Nesme, Xavier (ed.), Steinberg, Christian (ed.), Suffert, Frédéric (ed.), and Yahiaoui, Nabila (ed.)

Subjects
Pouvoir pathogène, Contrôle de maladies, Symbiose, Pathologie végétale, Relation hôte pathogène, Résistance aux maladies, Agent pathogène, Méthode de lutte, Maladie des plantes, H20 - Maladies des plantes
Published
2012

26. Identification of serine/threonine kinase and nucleotide-binding site-leucine-rich repeat (NBS-LRR) genes in the fire blight resistance quantitative trait locus of apple cultivar 'Evereste'

Author

Parravicini, Gabriella, Gessler, Cesare, Denance, Caroline, Lasserre - Zuber, Pauline, VERGNE-GAILLARD, Emilie, Brisset, Marie-Noelle, Patocchi, Andrea, Durel, Charles Eric, Broggini, Giovanni A.L., Eidgenössische Technische Hochschule - Swiss Federal Institute of Technology [Zürich] (ETH Zürich), Unité mixte de recherche génétique et horticulture Genhort, Institut National d'Horticulture-Institut National de la Recherche Agronomique (INRA)-Université d'Angers (UA), Unité de recherche Pathologie végétale et phytobactériologie, Institut National de la Recherche Agronomique (INRA), and Agroscope

Subjects
PLANT-DISEASE RESISTANCE, TOMATO-PRF, CONSTRUCTION, MALUS, [SDV]Life Sciences [q-bio], fungi, SCAB RESISTANCE, LIBRARY, RECOGNITION, food and beverages, PTO KINASE, MAJOR QTL
Abstract

International audience; Fire blight is the most destructive bacterial disease affecting apple (Malus x domestica) worldwide. So far, no resistance gene against fire blight has been characterized in apple, despite several resistance regions having been identified. A highly efficacious resistance quantitative trait locus (QTL) was localized on linkage group 12 (LG12) of the ornamental cultivar 'Evereste'. A marker previously reported to be closely linked to this resistance was used to perform a chromosome landing. A bacterial artificial chromosome (BAC) clone of 189 kb carrying the fire blight resistance QTL was isolated and sequenced. New microsatellite markers were developed, and the genomic region containing the resistance locus was limited to 78 kb. A cluster of eight genes with homologies to already known resistance gene structures to bacterial diseases was identified and the corresponding gene transcription was verified. From this cluster, two genes were recognized in silico as the two most probable fire blight resistance genes showing homology with the Pto/Prf complex in tomato

Published
2011
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27. Les dihydrochalcones sont impliquées dans la résistance du pommier à Erwinia amylovora par leurs activités antibactériennes et antioxydantes

Author

Duge de Bernonville, Thomas, Guyot, Sylvain, Dat, James, Paulin, J Pierre, Brisset, Marie-Noelle, Unité de recherche Pathologie végétale et phytobactériologie, Institut National de la Recherche Agronomique (INRA), Station de Recherches Cidricoles et Biotransformation des Fruits et Légumes (SRC - BFL), and ProdInra, Migration

Subjects
[SPI.GPROC] Engineering Sciences [physics]/Chemical and Process Engineering, [SDV.IDA]Life Sciences [q-bio]/Food engineering, DIHYDROCHALCONES, [SPI.GPROC]Engineering Sciences [physics]/Chemical and Process Engineering, [SDV.IDA] Life Sciences [q-bio]/Food engineering, ComputingMilieux_MISCELLANEOUS, RESISTANCE
Abstract

National audience

Published
2009

28. Utilisation des stimulateurs de défenses naturelles des plantes pour la lutte contre les agents pathogènes

Author

Paulin, J Pierre, Brisset, Marie-Noelle, ProdInra, Migration, Unité de recherche Pathologie végétale et phytobactériologie, and Institut National de la Recherche Agronomique (INRA)

Subjects
SDN, [SDV] Life Sciences [q-bio], DEFENSE NATURELLE DES PLANTES, [SDV]Life Sciences [q-bio], ComputingMilieux_MISCELLANEOUS, STIMULATEURS DE DEFENSES NATURELLES
Abstract

National audience

Published
2009

29. Des essais en inoculation artificielle [Dossier feu bactérien]

Author

Paulin, J Pierre, Chartier, Roland, Brisset, Marie-Noelle, Unité de recherche Pathologie végétale et phytobactériologie, Institut National de la Recherche Agronomique (INRA), and ProdInra, Migration

Subjects
[SDV.SA]Life Sciences [q-bio]/Agricultural sciences, [SDV.SA] Life Sciences [q-bio]/Agricultural sciences, ComputingMilieux_MISCELLANEOUS
Abstract

National audience

Published
2009

30. Are phenolic compounds involved in the differential responses of apple genotypes to Erwinia amylovora?

Author

Pontais, Isabelle, Paulin, J Pierre, Brisset, Marie-Noelle, Treutter, D., Unité de recherche Pathologie végétale et phytobactériologie, Institut National de la Recherche Agronomique (INRA), and Technische Universität Munchen - Université Technique de Munich [Munich, Allemagne] (TUM)

Subjects
FIRE BLIGHT, TTSS, COMPOSES PHENOLIQUES, DEFENCE, [SDV]Life Sciences [q-bio], fungi, EFFECTORS, food and beverages, HPLC, MALUS X DOMESTICA, RESISTANCE
Abstract

International audience; Profiles of methanol-extractable leaf phenolics of MM106 and Evereste, a susceptible and a resistant genotype of apple to fire blight, were analysed by HPLC after infection. On the basis of these profiles, principal component analysis discriminated plants challenged with a virulent wild-type strain of E. amylovora from plants challenged with a non-pathogenic TTSS-defective mutant or with water. This demonstrated that the phenylpropanoid metabolism of apple is altered by TTSS effectors. Patterns of changes in the level of the phenolics subgroups were similar in the two genotypes, with a decrease of dihydrochalcones and an increase of hydroxycinnamate derivatives. Phloretin (an aglycone dihydrochalcone) was the only direct antibacterial constitutive compound found in the leaves at a concentration close to lethal for E. amylovora in both genotypes, but it was observed that the bacterium exhibited the ability to stabilize its concentration to a sub-lethal level in the susceptible as well as in the resistant genotype, which tends to deny its role in resistance to fire blight.

Published
2007

31. Inducteurs de défenses naturelles des plantes. Potentialités contre les bioagresseurs du pommier et du poirier

Author

Brisset, Marie-Noelle, Chartier, R., Didelot, Frederique, Parisi, Luciana, Paulin, J.P., Robert, P., Tharaud, Michel, Lemarquand, Arnaud, Orain, Gilles, Toubon, J.F., Brun, L., Derridj, Sylvie, Sauphanor, Benoît, Unité de recherche Pathologie végétale et phytobactériologie, Institut National de la Recherche Agronomique (INRA), Unité expérimentale de Bois l'Abbe - La Retuzière, Unité mixte de recherche Ecologie des invertébrés (UAPV), Institut National de la Recherche Agronomique (INRA)-Avignon Université (AU), Unité Expérimentale Recherches Intégrées - Gotheron (UERI), and Unité de phytopharmacie et médiateurs chimiques

Subjects
INDUCTION, ComputingMilieux_MISCELLANEOUS, [SDV.BV.PEP]Life Sciences [q-bio]/Vegetal Biology/Phytopathology and phytopharmacy
Abstract

National audience

Published
2005

32. HrpL negatively regulates flagellar system in Erwinia amylovora

Author

Cesbron, Sophie, Brisset, Marie-Noelle, Tharaud, Michel, Paulin, J Pierre, Unité de recherche Pathologie végétale et phytobactériologie, Institut National de la Recherche Agronomique (INRA), and ProdInra, Migration

Subjects
[SDV] Life Sciences [q-bio], FIRE BLIGHT, FLAGELLIN, MOTILITY, SYSTEME HRP, [SDV]Life Sciences [q-bio], food and beverages, HRPL, ERWINIA AMYLOVORA
Abstract

International audience; Several previous works seem to indicate that flagellar and hrp genes of Erwinia amylovora are counter-regulated. In the present paper, this hypothesis is confirmed by the analysis of several parameters linked to flagella synthesis in E. amylovora grown in hrp- or non hrp-inducing conditions. Moreover, amongst the various hrp mutants tested, the hrpL regulatory mutant only was more motile, produced more flagellins and showed more flagella than the wild-type strain when cultivated on a hrp-inducing medium. A plasmid carrying hrpL introduced into a hrpL mutant decreased its motility and flagellin production. These results strongly suggest that flagellar synthesis of E. amylovora is under the negative control of HrpL, a positive regulator of hrp genes.

Published
2004

33. Genetic mapping of Fire blight resistance QTL in two related apple progenies

Author

Calenge, Fanny, Denance, Caroline, Van de Weg, Eric, Kodde, L., Chartier, Roland, Brisset, Marie-Noelle, PAULIN, Jean-Pierre, Durel, Charles Eric, Génétique et Horticulture (GenHort), AGROCAMPUS OUEST, Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut National de la Recherche Agronomique (INRA), Plant Research International, Wageningen University and Research [Wageningen] (WUR), UMR Pathologie Végétale, Institut National de la Recherche Agronomique (INRA), Pathologie Végétale (PaVé), Institut National de la Recherche Agronomique (INRA)-AGROCAMPUS OUEST, Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro), Wageningen University and Research Centre [Wageningen] (WUR), and AGROCAMPUS OUEST-Institut National de la Recherche Agronomique (INRA)

Subjects
malus domestica, [SDV.SA]Life Sciences [q-bio]/Agricultural sciences, Vegetal Biology, [SDV.BIO]Life Sciences [q-bio]/Biotechnology, feu bactérien, Phytopathology and phytopharmacy, pommier, Biotechnologies, erwinia amylovora, Phytopathologie et phytopharmacie, Agricultural sciences, [SDV.BV.PEP]Life Sciences [q-bio]/Vegetal Biology/Phytopathology and phytopharmacy, qtl de résistance, progénie, [SDV.BV]Life Sciences [q-bio]/Vegetal Biology, apple tree, Biologie végétale, Sciences agricoles, fire blight
Abstract

Genetic mapping of Fire blight resistance QTL in two related apple progenies. 10. International Workshop on Fire Blight

Published
2004

34. Involvement of th phenylpropanoid pathway in the resistance of apple to Erwinia amylovora

Author

Pontais, Isabelle, Paulin, J Pierre, Brisset, Marie-Noelle, Unité de recherche Pathologie végétale et phytobactériologie, Institut National de la Recherche Agronomique (INRA), and ProdInra, Migration

Subjects
[SDV] Life Sciences [q-bio], FIRE BLIGHT, SYSTEME HRP, [SDV]Life Sciences [q-bio], fungi, food and beverages, PLANT DEFENSE, PHENOLIC COMPOUNDS, MALOIDEAE, complex mixtures, ERWINIA AMYLOVORA, HRP EFFECTORS
Abstract

National audience; In a former work (Venisse et al., 2002), it was hypothesized that the phenylpropanoid pathway is globally involved in the resistance of apple to Erwinia amylovora. In this study, we further examined the possible role of phenolics in the interaction E. amylovora/apple by looking at their effect on the bacteria in vitro and we also examined the role of the three known Hrp effectors of E. amylovora on the genes of the phenylpropanoid pathway. We showed that two non glycosylated phenolics of apples can, according to their concentrations i) have a direct antimicrobial action on E. amylovora, ii) decrease the expression of hrp genes of the bacteria and iii) have an antioxidant or a prooxidant effect. We also showed that the three known Hrp effectors of E. amylovora can repress, alone or in combination, some genes of the phenylpropanoid pathway in a susceptible genotype. These results tend to confirm the preliminary hypothesis stating that the phenylpropanoid pathway is one of the mechanisms involved in the resistance of apple to fire blight.

Published
2004

35. Plant mechanisms interfering with fire blight infection

Author

Brisset, Marie-Noelle, Paulin, J Pierre, Unité de recherche Pathologie végétale et phytobactériologie, Institut National de la Recherche Agronomique (INRA), and ProdInra, Migration

Subjects
[SDV] Life Sciences [q-bio], [SDV]Life Sciences [q-bio], fungi, APPLE, INDUCED PLANT MECHANISMS, food and beverages, PEAR, PREFORMED PLANT FACTORS, ERWINIA AMYLOVORA
Abstract

International audience; We present here a brief review of plant mechanisms which have been studied in relation with Erwinia amylovora. These mechanisms concern exclusively host plant of fire blight and may act either positively or negatively on the bacteria. They may therefore be involved in the susceptibility or the resistance of plant tissues, either at the genetic or at the ontogenic level. Preformed plant mechanisms are first presented and include host attractivity, iron availability, water availability, preformed antibacterial compounds, bacterial immobilization. Then induced plant mechanisms follow with production of reactive oxygen species, synthesis of PR-proteins and stimulation of the phenylpropanoid pathway.

Published
2004

36. Expression of bovine lactoferrin cDNA confers resistance to Erwinia amylovora in transgenic pear

Author

Malnoy, Mickael, Venisse, Jean-Stéphane, Brisset, Marie-Noelle, Chevreau, Elisabeth, Cornell University [New York], Génétique et Horticulture (GenHort), Institut National de la Recherche Agronomique (INRA)-AGROCAMPUS OUEST, Unité mixte de recherche amélioration et santé des plantes, Institut National de la Recherche Agronomique (INRA)-Université Blaise Pascal - Clermont-Ferrand 2 (UBP), Unité d'Amélioration des espèces fruitières et ornementales (ANG ESP FRUITIERES), Institut National de la Recherche Agronomique (INRA), Unité mixte de recherche génétique et horticulture Genhort, Université d'Angers (UA)-Institut National de la Recherche Agronomique (INRA)-Institut National d'Horticulture, and Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)

Subjects
resistance, transgenic trees, expression, food and beverages, [SDV.BV]Life Sciences [q-bio]/Vegetal Biology, pear, fire blight, lactoferrin, [SDV.BV.PEP]Life Sciences [q-bio]/Vegetal Biology/Phytopathology and phytopharmacy
Abstract

International audience; The siderophore produced by Erwinia amylovora, the causal agent of fire blight of Maloideae, is one of the virulence factors of this bacterium. The production of siderophores enables E. amylovora to overcome the conditions of iron limitation met in plant tissue, and may also protect the bacteria against active oxygen species produced through the Fenton reaction. In this paper, we have examined the ability of an iron chelator protein, encoded by the bovine lactoferrin gene, to reduce fire blight susceptibility in pear (Pyrus communis L.). Transgenic pear clones expressing this gene controlled by the CaMV35S promoter were produced by Agrobacterium tumefaciens mediated transformation. Transformants were analysed by RT-PCR and western blot to determine lactoferrin expression levels. Most transgenic clones demonstrated significant reduction of susceptibility to fire blight in vitro and in the greenhouse when inoculated by E. amylovora. These transgenic clones also showed a significant reduction of symptoms when inoculated with two other pear bacterial pathogens : Pseudomonas syringae pv. syringae and Agrobacterium tumefaciens. Moreover, we have shown that this increase in bacterial resistance was correlated with an increase in root ferric reductase level activity and leaf iron content. Despite negative effects on the growth of a few clones, our results indicate the potential of lactoferrin gene transformation to protect pear from fire blight through increased iron chelation.

Published
2003
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38. Protective effects against Erwinia amylovora induced by hrp mutants in the whole plant are only partially mimicked in cultivated cells

Author

Faize, Mohamed, Brisset, Marie-Noelle, Venisse, J.S., Paulin, J.P., Tharaud, Michel, Unité de recherche Pathologie végétale et phytobactériologie, Institut National de la Recherche Agronomique (INRA), and ProdInra, Migration

Subjects
CULTURE DE CELLULES, [SDV.BV]Life Sciences [q-bio]/Vegetal Biology, [SDV.BV] Life Sciences [q-bio]/Vegetal Biology, ComputingMilieux_MISCELLANEOUS
Abstract

International audience

Published
2002

39. Selection of a genotype of Cotoneaster with high level of resistance to fire blight

Author

Bellenot-Kapusta, V., Chartier, R., Brisset, Marie-Noelle, Paulin, J.P., Unité mixte de recherche génétique et horticulture Genhort, Université d'Angers (UA)-Institut National de la Recherche Agronomique (INRA)-Institut National d'Horticulture, Unité de recherche Pathologie végétale et phytobactériologie, Institut National de la Recherche Agronomique (INRA), and ProdInra, Migration

Subjects
[SDV] Life Sciences [q-bio], [SDV]Life Sciences [q-bio], ComputingMilieux_MISCELLANEOUS
Abstract

International audience

Published
2001

40. Selection of a genotype of Cotoneaster with a high level of resistance to Fire blight

Author

DUPRE, Véronique, Chartier, Roland, Brisset, Marie-Noelle, PAULIN, Jean-Pierre, Génétique et Horticulture (GenHort), Institut National de la Recherche Agronomique (INRA)-AGROCAMPUS OUEST, UMR Pathologie Végétale, Institut National de la Recherche Agronomique (INRA), Pathologie Végétale (PaVé), AGROCAMPUS OUEST-Institut National de la Recherche Agronomique (INRA), AGROCAMPUS OUEST, Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut National de la Recherche Agronomique (INRA), Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro), and International Society for Horticultural Science (ISHS). INT.

Subjects
résistance aux maladies, [SDV.SA]Life Sciences [q-bio]/Agricultural sciences, Botanics, Phytopathology and phytopharmacy, health care facilities, manpower, and services, Erwinia Amylovora, education, cotoneaster, [SDV.BV]Life Sciences [q-bio]/Vegetal Biology, Ornemental Shrub, health care economics and organizations, fire blight, Vegetal Biology, feu bactérien, breeding, fungi, food and beverages, [SDV.BV.BOT]Life Sciences [q-bio]/Vegetal Biology/Botanics, Phytopathologie et phytopharmacie, Agricultural sciences, [SDV.BV.PEP]Life Sciences [q-bio]/Vegetal Biology/Phytopathology and phytopharmacy, Botanique, resistance to diseases, choix d'espèce, génotype, Biologie végétale, Sciences agricoles
Abstract

Selection of a genotype of Cotoneaster with a high level of resistance to Fire blight. 9. International Workshop on Fire blight

Published
2001

41. Expression of a depolymerase gene in transgenic pears increased only slightly their fire blight resistance (Poster)

Author

Malnoy, M., Brisset, Marie-Noelle, Chevreau, Elisabeth, Unité mixte de recherche génétique et horticulture Genhort, Université d'Angers (UA)-Institut National de la Recherche Agronomique (INRA)-Institut National d'Horticulture, Unité de recherche Pathologie végétale et phytobactériologie, Institut National de la Recherche Agronomique (INRA), and ProdInra, Migration

Subjects
[SDV] Life Sciences [q-bio], [SDV]Life Sciences [q-bio], RT-PCR, ComputingMilieux_MISCELLANEOUS
Abstract

International audience

Published
2001

42. Differential apple gene expression during a compatible and an incompatible interactions with the necrogenic bacteria Erwinia amylovora

Author

Venisse, J.S., Lalanne, David, Paulin, J.P., Brisset, Marie-Noelle, Unité mixte de recherche génétique et horticulture Genhort, Université d'Angers (UA)-Institut National de la Recherche Agronomique (INRA)-Institut National d'Horticulture, Unité de recherche Pathologie végétale et phytobactériologie, Institut National de la Recherche Agronomique (INRA), and ProdInra, Migration

Subjects
[SDV] Life Sciences [q-bio], [SDV]Life Sciences [q-bio], ComputingMilieux_MISCELLANEOUS
Abstract

International audience

Published
2001

43. Differential apple gene expression during interaction of Erwinia amylovora with a resistant and a susceptible genotype

Author

Venisse, Jean-Stéphane, Pontais, Isabelle, Lalanne, David, PAULIN, Jean-Pierre, Brisset, Marie-Noelle, Génétique et Horticulture (GenHort), Institut National de la Recherche Agronomique (INRA)-AGROCAMPUS OUEST, UMR GenHort, Institut National de la Recherche Agronomique (INRA), UMR Pathologie Végétale, Pathologie Végétale (PaVé), AGROCAMPUS OUEST-Institut National de la Recherche Agronomique (INRA), Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro), University of Wisconsin-Madison (UW Madison). USA., AGROCAMPUS OUEST, and Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut National de la Recherche Agronomique (INRA)

Subjects
[SDV.SA]Life Sciences [q-bio]/Agricultural sciences, résistance aux maladies, [SDV.BIO]Life Sciences [q-bio]/Biotechnology, Phytopathology and phytopharmacy, education, pommier, Biotechnologies, erwinia amylovora, [SDV.BV]Life Sciences [q-bio]/Vegetal Biology, apple tree, health care economics and organizations, fire blight, Vegetal Biology, feu bactérien, fungi, comparaison de génotypes, food and beverages, Phytopathologie et phytopharmacie, [SDV.BV.PEP]Life Sciences [q-bio]/Vegetal Biology/Phytopathology and phytopharmacy, Agricultural sciences, resistance to diseases, bacteria, interaction plante bactérie pathogène, Biologie végétale, Sciences agricoles, expression des gènes
Abstract

Differential apple gene expression during interaction of [i]Erwinia amylovora[/i] with a resistant and a susceptible genotype. 10.International Congress of Molecular Plant Microbe Interaction

Published
2001

44. Bion(r) induces systemic defense responses in apple and protects against fire blight infections

Author

Brisset, Marie-Noelle, Cesbron, S., Leclerc, Céline, Sindji, L., Thomson, S.V., Paulin, J.P., Unité mixte de recherche génétique et horticulture Genhort, Institut National d'Horticulture-Institut National de la Recherche Agronomique (INRA)-Université d'Angers (UA), Unité de recherche Pathologie végétale et phytobactériologie, Institut National de la Recherche Agronomique (INRA), and ProdInra, Migration

Subjects
[SDV] Life Sciences [q-bio], [SDV]Life Sciences [q-bio], ComputingMilieux_MISCELLANEOUS
Abstract

National audience

Published
2000

45. Protection of apple against fire blight induced by avirulent mutants of Erwinia amylovora

Author

Faize, Mohamed, Brisset, Marie-Noelle, Paulin, J.P., Tharaud, Michel, Unité de recherche Pathologie végétale et phytobactériologie, Institut National de la Recherche Agronomique (INRA), and ProdInra, Migration

Subjects
[SDV] Life Sciences [q-bio], [SDV]Life Sciences [q-bio], ComputingMilieux_MISCELLANEOUS
Abstract

National audience

Published
2000

46. Réponses du Pommier à l'inoculation par des mutants hrp d'Erwinia amylovora

Author

Faize, Mohamed, Brisset, Marie-Noelle, PAULIN, Jean-Pierre, Tharaud, Michel, Institut National d'Horticulture, Unité de recherche Pathologie végétale et phytobactériologie, Institut National de la Recherche Agronomique (INRA), and Centre National de la Recherche Scientifique (CNRS). FRA.

Subjects
[SDV.SA]Life Sciences [q-bio]/Agricultural sciences, [SDV.MP]Life Sciences [q-bio]/Microbiology and Parasitology, [SDV.BV]Life Sciences [q-bio]/Vegetal Biology, ComputingMilieux_MISCELLANEOUS, [SDV.BV.PEP]Life Sciences [q-bio]/Vegetal Biology/Phytopathology and phytopharmacy
Abstract

National audience

Published
2000

48. Acibenzolar-S-méthyl protège le Pommier contre le feu bactérien et induit ses défenses

Author

Brisset, Marie-Noelle, Cesbron, S., Leclerc, Céline, Sindji, L., Chartier, Roland, Thomson, S.V., PAULIN, Jean-Pierre, Unité de recherche Pathologie végétale et phytobactériologie, Institut National de la Recherche Agronomique (INRA), Institut National d'Horticulture, Utah State University (USU), and Centre National de la Recherche Scientifique (CNRS). FRA.

Subjects
[SDV.SA]Life Sciences [q-bio]/Agricultural sciences, malus domestica, Vegetal Biology, feu bactérien, Phytopathology and phytopharmacy, acibenzolar, Microbiology and Parasitology, pommier, mécanisme de défense de la plante, Phytopathologie et phytopharmacie, Microbiologie et Parasitologie, [SDV.BV.PEP]Life Sciences [q-bio]/Vegetal Biology/Phytopathology and phytopharmacy, Agricultural sciences, [SDV.MP]Life Sciences [q-bio]/Microbiology and Parasitology, [SDV.BV]Life Sciences [q-bio]/Vegetal Biology, ComputingMilieux_MISCELLANEOUS, Biologie végétale, Sciences agricoles
Abstract

National audience

Published
2000

49. Secretion and regulation Hrp mutants of Erwinia amylovora trigger different responses in apple

Author

Faize, Mohamed, Brisset, Marie-Noelle, Paulin, J.P., Tharaud, Michel, Unité mixte de recherche génétique et horticulture Genhort, Université d'Angers (UA)-Institut National de la Recherche Agronomique (INRA)-Institut National d'Horticulture, Unité de recherche Pathologie végétale et phytobactériologie, Institut National de la Recherche Agronomique (INRA), and ProdInra, Migration

Subjects
[SDV.MP]Life Sciences [q-bio]/Microbiology and Parasitology, [SDV.MP] Life Sciences [q-bio]/Microbiology and Parasitology, ComputingMilieux_MISCELLANEOUS
Abstract

International audience

Published
1999

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