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Zhao T, Arbelet-Bonnin D, Tran D, Monetti E, Lehner A, Meimoun P, Kadono T, Dauphin A, Errakhi R, Reboutier D, Cangémi S, Kawano T, Mancuso S, El-Maarouf-Bouteau H, Laurenti P, Bouteau F. Biphasic activation of survival and death pathways in Arabidopsis thaliana cultured cells by sorbitol-induced hyperosmotic stress. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2021; 305:110844. [PMID: 33691971 DOI: 10.1016/j.plantsci.2021.110844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Revised: 02/01/2021] [Accepted: 02/03/2021] [Indexed: 06/12/2023]
Abstract
Hyperosmotic stresses represent some of the most serious abiotic factors that adversely affect plants growth, development and fitness. Despite their central role, the early cellular events that lead to plant adaptive responses remain largely unknown. In this study, using Arabidopsis thaliana cultured cells we analyzed early cellular responses to sorbitol-induced hyperosmotic stress. We observed biphasic and dual responses of A. thaliana cultured cells to sorbitol-induced hyperosmotic stress. A first set of events, namely singlet oxygen (1O2) production and cell hyperpolarization due to a decrease in anion channel activity could participate to signaling and osmotic adjustment allowing cell adaptation and survival. A second set of events, namely superoxide anion (O2-) production by RBOHD-NADPH-oxidases and SLAC1 anion channel activation could participate in programmed cell death (PCD) of a part of the cell population. This set of events raises the question of how a survival pathway and a death pathway could be induced by the same hyperosmotic condition and what could be the meaning of the induction of two different behaviors in response to hyperosmotic stress.
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Affiliation(s)
- Tingting Zhao
- Université de Paris, Laboratoire des Energies de Demain, Paris, France
| | | | - Daniel Tran
- former EA3514, Université Paris Diderot, Paris, France
| | - Emanuela Monetti
- former EA3514, Université Paris Diderot, Paris, France; LINV-DiSPAA, Department of Agri-Food and Environmental Science, University of Florence, Viale delle Idee 30, 50019, Sesto Fiorentino (FI), Italy
| | - Arnaud Lehner
- former EA3514, Université Paris Diderot, Paris, France
| | - Patrice Meimoun
- Université de Paris, Laboratoire des Energies de Demain, Paris, France; former EA3514, Université Paris Diderot, Paris, France; Université de Paris, Paris Interdisciplinary Energy Research Institute (PIERI), Paris, France
| | - Takashi Kadono
- former EA3514, Université Paris Diderot, Paris, France; Graduate School of Environmental Engineering, University of Kitakyushu, 1-1, Hibikino, Wakamatsu-ku, Kitakyushu 808-0135, Japan
| | | | - Rafik Errakhi
- former EA3514, Université Paris Diderot, Paris, France
| | | | - Sylvie Cangémi
- Université de Paris, Laboratoire des Energies de Demain, Paris, France
| | - Tomonori Kawano
- LINV-DiSPAA, Department of Agri-Food and Environmental Science, University of Florence, Viale delle Idee 30, 50019, Sesto Fiorentino (FI), Italy; Graduate School of Environmental Engineering, University of Kitakyushu, 1-1, Hibikino, Wakamatsu-ku, Kitakyushu 808-0135, Japan; University of Florence LINV Kitakyushu Research Center (LINV@Kitakyushu), Kitakyushu, Japan; Université de Paris, Paris Interdisciplinary Energy Research Institute (PIERI), Paris, France
| | - Stefano Mancuso
- LINV-DiSPAA, Department of Agri-Food and Environmental Science, University of Florence, Viale delle Idee 30, 50019, Sesto Fiorentino (FI), Italy; University of Florence LINV Kitakyushu Research Center (LINV@Kitakyushu), Kitakyushu, Japan; Université de Paris, Paris Interdisciplinary Energy Research Institute (PIERI), Paris, France
| | | | - Patrick Laurenti
- Université de Paris, Laboratoire des Energies de Demain, Paris, France
| | - François Bouteau
- Université de Paris, Laboratoire des Energies de Demain, Paris, France; former EA3514, Université Paris Diderot, Paris, France; LINV-DiSPAA, Department of Agri-Food and Environmental Science, University of Florence, Viale delle Idee 30, 50019, Sesto Fiorentino (FI), Italy; University of Florence LINV Kitakyushu Research Center (LINV@Kitakyushu), Kitakyushu, Japan.
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Roudaire T, Héloir MC, Wendehenne D, Zadoroznyj A, Dubrez L, Poinssot B. Cross Kingdom Immunity: The Role of Immune Receptors and Downstream Signaling in Animal and Plant Cell Death. Front Immunol 2021; 11:612452. [PMID: 33763054 PMCID: PMC7982415 DOI: 10.3389/fimmu.2020.612452] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Accepted: 12/29/2020] [Indexed: 12/14/2022] Open
Abstract
Both plants and animals are endowed with sophisticated innate immune systems to combat microbial attack. In these multicellular eukaryotes, innate immunity implies the presence of cell surface receptors and intracellular receptors able to detect danger signal referred as damage-associated molecular patterns (DAMPs) and pathogen-associated molecular patterns (PAMPs). Membrane-associated pattern recognition receptors (PRRs), such as Toll-like receptors (TLRs), C-type lectin receptors (CLRs), receptor-like kinases (RLKs), and receptor-like proteins (RLPs) are employed by these organisms for sensing different invasion patterns before triggering antimicrobial defenses that can be associated with a form of regulated cell death. Intracellularly, animals nucleotide-binding and oligomerization domain (NOD)-like receptors or plants nucleotide-binding domain (NBD)-containing leucine rich repeats (NLRs) immune receptors likely detect effectors injected into the host cell by the pathogen to hijack the immune signaling cascade. Interestingly, during the co-evolution between the hosts and their invaders, key cross-kingdom cell death-signaling macromolecular NLR-complexes have been selected, such as the inflammasome in mammals and the recently discovered resistosome in plants. In both cases, a regulated cell death located at the site of infection constitutes a very effective mean for blocking the pathogen spread and protecting the whole organism from invasion. This review aims to describe the immune mechanisms in animals and plants, mainly focusing on cell death signaling pathways, in order to highlight recent advances that could be used on one side or the other to identify the missing signaling elements between the perception of the invasion pattern by immune receptors, the induction of defenses or the transmission of danger signals to other cells. Although knowledge of plant immunity is less advanced, these organisms have certain advantages allowing easier identification of signaling events, regulators and executors of cell death, which could then be exploited directly for crop protection purposes or by analogy for medical research.
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Affiliation(s)
- Thibault Roudaire
- Agroécologie, Agrosup Dijon, CNRS, INRAE, Univ. Bourgogne, Univ. Bourgogne Franche-Comté, Dijon, France
| | - Marie-Claire Héloir
- Agroécologie, Agrosup Dijon, CNRS, INRAE, Univ. Bourgogne, Univ. Bourgogne Franche-Comté, Dijon, France
| | - David Wendehenne
- Agroécologie, Agrosup Dijon, CNRS, INRAE, Univ. Bourgogne, Univ. Bourgogne Franche-Comté, Dijon, France
| | - Aymeric Zadoroznyj
- Institut National de la Santé et de la Recherche Médicale (Inserm), LNC UMR1231, Dijon, France.,LNC UMR1231, Université de Bourgogne Franche-Comté, Dijon, France
| | - Laurence Dubrez
- Institut National de la Santé et de la Recherche Médicale (Inserm), LNC UMR1231, Dijon, France.,LNC UMR1231, Université de Bourgogne Franche-Comté, Dijon, France
| | - Benoit Poinssot
- Agroécologie, Agrosup Dijon, CNRS, INRAE, Univ. Bourgogne, Univ. Bourgogne Franche-Comté, Dijon, France
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3
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Bouteau F, Reboutier D, Tran D, Laurenti P. Ion Transport in Plant Cell Shrinkage During Death. Front Cell Dev Biol 2020; 8:566606. [PMID: 33195198 PMCID: PMC7604285 DOI: 10.3389/fcell.2020.566606] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Accepted: 09/08/2020] [Indexed: 01/24/2023] Open
Affiliation(s)
- François Bouteau
- Université de Paris, Laboratoire Interdisciplinaire des Energies de Demain, Paris, France
| | - David Reboutier
- UMR 6290-IGDR Expression Génétique et Développement Faculté de Médecine, Rennes, France
| | - Daniel Tran
- Agroscope, Institute for Plant Production Systems, Conthey, Switzerland
| | - Patrick Laurenti
- Université de Paris, Laboratoire Interdisciplinaire des Energies de Demain, Paris, France
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Tran D, Zhao T, Arbelet-Bonnin D, Kadono T, Meimoun P, Cangémi S, Noûs C, Kawano T, Errakhi R, Bouteau F. Early Cellular Responses Induced by Sedimentary Calcite-Processed Particles in Bright Yellow 2 Tobacco Cultured Cells. Int J Mol Sci 2020; 21:E4279. [PMID: 32560138 PMCID: PMC7349144 DOI: 10.3390/ijms21124279] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Revised: 06/05/2020] [Accepted: 06/12/2020] [Indexed: 12/23/2022] Open
Abstract
Calcite processed particles (CaPPs, Megagreen®) elaborated from sedimentary limestone rock, and finned by tribomecanic process were found to increase photosynthetic CO2 fixation grapevines and stimulate growth of various cultured plants. Due to their processing, the CaPPs present a jagged shape with some invaginations below the micrometer size. We hypothesised that CaPPs could have a nanoparticle (NP)-like effects on plants. Our data show that CaPPs spontaneously induced reactive oxygen species (ROS) in liquid medium. These ROS could in turn induce well-known cellular events such as increase in cytosolic Ca2+, biotic ROS generation and activation of anion channels indicating that these CaPPs could activate various signalling pathways in a NP-like manner.
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Affiliation(s)
- Daniel Tran
- Agroscope, Institute for Plant Production Systems, 1964 Conthey, Switzerland
- Laboratoire Interdisciplinaire des Energies de Demain, Université de Paris, 75013 Paris, France; (T.Z.); (D.A.-B.); (T.K.); (P.M.); (S.C.); (F.B.)
| | - Tingting Zhao
- Laboratoire Interdisciplinaire des Energies de Demain, Université de Paris, 75013 Paris, France; (T.Z.); (D.A.-B.); (T.K.); (P.M.); (S.C.); (F.B.)
| | - Delphine Arbelet-Bonnin
- Laboratoire Interdisciplinaire des Energies de Demain, Université de Paris, 75013 Paris, France; (T.Z.); (D.A.-B.); (T.K.); (P.M.); (S.C.); (F.B.)
| | - Takashi Kadono
- Laboratoire Interdisciplinaire des Energies de Demain, Université de Paris, 75013 Paris, France; (T.Z.); (D.A.-B.); (T.K.); (P.M.); (S.C.); (F.B.)
- Graduate School of Environmental Engineering, University of Kitakyushu 1-1, Hibikino, Wakamatsu-ku, Kitakyushu 808-0135, Japan;
| | - Patrice Meimoun
- Laboratoire Interdisciplinaire des Energies de Demain, Université de Paris, 75013 Paris, France; (T.Z.); (D.A.-B.); (T.K.); (P.M.); (S.C.); (F.B.)
| | - Sylvie Cangémi
- Laboratoire Interdisciplinaire des Energies de Demain, Université de Paris, 75013 Paris, France; (T.Z.); (D.A.-B.); (T.K.); (P.M.); (S.C.); (F.B.)
| | | | - Tomonori Kawano
- Graduate School of Environmental Engineering, University of Kitakyushu 1-1, Hibikino, Wakamatsu-ku, Kitakyushu 808-0135, Japan;
- LINV Kitakyushu Research Center (LINV@Kitakyushu), Kitakyushu 808-0135, Japan
- International Photosynthesis Industrialization Research Center, The University of Kitakyushu, Kitakyushu 808-0135, Japan
- Paris Interdisciplinary Energy Research Institute (PIERI), Université de Paris, 75013 Paris, France
| | - Rafik Errakhi
- Eurofins Agriscience Service, Casablanca 20000, Morocco;
| | - François Bouteau
- Laboratoire Interdisciplinaire des Energies de Demain, Université de Paris, 75013 Paris, France; (T.Z.); (D.A.-B.); (T.K.); (P.M.); (S.C.); (F.B.)
- LINV Kitakyushu Research Center (LINV@Kitakyushu), Kitakyushu 808-0135, Japan
- International Photosynthesis Industrialization Research Center, The University of Kitakyushu, Kitakyushu 808-0135, Japan
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Héloir MC, Adrian M, Brulé D, Claverie J, Cordelier S, Daire X, Dorey S, Gauthier A, Lemaître-Guillier C, Negrel J, Trdá L, Trouvelot S, Vandelle E, Poinssot B. Recognition of Elicitors in Grapevine: From MAMP and DAMP Perception to Induced Resistance. FRONTIERS IN PLANT SCIENCE 2019; 10:1117. [PMID: 31620151 PMCID: PMC6760519 DOI: 10.3389/fpls.2019.01117] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2019] [Accepted: 08/14/2019] [Indexed: 05/21/2023]
Abstract
In a context of a sustainable viticulture, the implementation of innovative eco-friendly strategies, such as elicitor-triggered immunity, requires a deep knowledge of the molecular mechanisms underlying grapevine defense activation, from pathogen perception to resistance induction. During plant-pathogen interaction, the first step of plant defense activation is ensured by the recognition of microbe-associated molecular patterns, which are elicitors directly derived from pathogenic or beneficial microbes. Vitis vinifera, like other plants, can perceive elicitors of different nature, including proteins, amphiphilic glycolipid, and lipopeptide molecules as well as polysaccharides, thanks to their cognate pattern recognition receptors, the discovery of which recently began in this plant species. Furthermore, damage-associated molecular patterns are another class of elicitors perceived by V. vinifera as an invader's hallmark. They are mainly polysaccharides derived from the plant cell wall and are generally released through the activity of cell wall-degrading enzymes secreted by microbes. Elicitor perception and subsequent activation of grapevine immunity end in some cases in efficient grapevine resistance against pathogens. Using complementary approaches, several molecular markers have been identified as hallmarks of this induced resistance stage. This review thus focuses on the recognition of elicitors by Vitis vinifera describing the molecular mechanisms triggered from the elicitor perception to the activation of immune responses. Finally, we discuss the fact that the link between elicitation and induced resistance is not so obvious and that the formulation of resistance inducers remains a key step before their application in vineyards.
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Affiliation(s)
- Marie-Claire Héloir
- Agroécologie, Agrosup Dijon, CNRS, INRA, Univ. Bourgogne, Univ. Bourgogne Franche-Comté, Dijon, France
| | - Marielle Adrian
- Agroécologie, Agrosup Dijon, CNRS, INRA, Univ. Bourgogne, Univ. Bourgogne Franche-Comté, Dijon, France
| | - Daphnée Brulé
- Agroécologie, Agrosup Dijon, CNRS, INRA, Univ. Bourgogne, Univ. Bourgogne Franche-Comté, Dijon, France
| | - Justine Claverie
- Agroécologie, Agrosup Dijon, CNRS, INRA, Univ. Bourgogne, Univ. Bourgogne Franche-Comté, Dijon, France
| | - Sylvain Cordelier
- Unité RIBP EA 4707, SFR Condorcet FR CNRS 3417, University of Reims Champagne-Ardenne, Reims, France
| | - Xavier Daire
- Agroécologie, Agrosup Dijon, CNRS, INRA, Univ. Bourgogne, Univ. Bourgogne Franche-Comté, Dijon, France
| | - Stéphan Dorey
- Unité RIBP EA 4707, SFR Condorcet FR CNRS 3417, University of Reims Champagne-Ardenne, Reims, France
| | - Adrien Gauthier
- Agroécologie, Agrosup Dijon, CNRS, INRA, Univ. Bourgogne, Univ. Bourgogne Franche-Comté, Dijon, France
- UniLaSalle, AGHYLE Research Unit UP 2018.C101, Rouen, France
| | | | - Jonathan Negrel
- Agroécologie, Agrosup Dijon, CNRS, INRA, Univ. Bourgogne, Univ. Bourgogne Franche-Comté, Dijon, France
| | - Lucie Trdá
- Agroécologie, Agrosup Dijon, CNRS, INRA, Univ. Bourgogne, Univ. Bourgogne Franche-Comté, Dijon, France
- Laboratory of Pathological Plant Physiology, Institute of Experimental Botany, the Czech Academy of Sciences, Prague, Czechia
| | - Sophie Trouvelot
- Agroécologie, Agrosup Dijon, CNRS, INRA, Univ. Bourgogne, Univ. Bourgogne Franche-Comté, Dijon, France
| | - Elodie Vandelle
- Agroécologie, Agrosup Dijon, CNRS, INRA, Univ. Bourgogne, Univ. Bourgogne Franche-Comté, Dijon, France
- Laboratory of Plant Pathology, Department of Biotechnology, University of Verona, Verona, Italy
| | - Benoit Poinssot
- Agroécologie, Agrosup Dijon, CNRS, INRA, Univ. Bourgogne, Univ. Bourgogne Franche-Comté, Dijon, France
- *Correspondence: Benoit Poinssot,
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Rosnoblet C, Bègue H, Blanchard C, Pichereaux C, Besson-Bard A, Aimé S, Wendehenne D. Functional characterization of the chaperon-like protein Cdc48 in cryptogein-induced immune response in tobacco. PLANT, CELL & ENVIRONMENT 2017; 40:491-508. [PMID: 26662183 DOI: 10.1111/pce.12686] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/02/2015] [Revised: 11/20/2015] [Accepted: 11/27/2015] [Indexed: 05/06/2023]
Abstract
Cdc48, a molecular chaperone conserved in different kingdoms, is a member of the AAA+ family contributing to numerous processes in mammals including proteins quality control and degradation, vesicular trafficking, autophagy and immunity. The functions of Cdc48 plant orthologues are less understood. We previously reported that Cdc48 is regulated by S-nitrosylation in tobacco cells undergoing an immune response triggered by cryptogein, an elicitin produced by the oomycete Phytophthora cryptogea. Here, we inv estigated the function of NtCdc48 in cryptogein signalling and induced hypersensitive-like cell death. NtCdc48 was found to accumulate in elicited cells at both the protein and transcript levels. Interestingly, only a small proportion of the overall NtCdc48 population appeared to be S-nitrosylated. Using gel filtration in native conditions, we confirmed that NtCdc48 was present in its hexameric active form. An immunoprecipitation-based strategy following my mass spectrometry analysis led to the identification of about a hundred NtCdc48 partners and underlined its contribution in cellular processes including targeting of ubiquitylated proteins for proteasome-dependent degradation, subcellular trafficking and redox regulation. Finally, the analysis of cryptogein-induced events in NtCdc48-overexpressing cells highlighted a correlation between NtCdc48 expression and hypersensitive cell death. Altogether, this study identified NtCdc48 as a component of cryptogein signalling and plant immunity.
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Affiliation(s)
- Claire Rosnoblet
- Pôle Mécanisme et Gestion des Interactions Plantes-Microorganismes - ERL CNRS 6300, Université de Bourgogne Franche-Comté, UMR 1347 Agroécologie, 17 rue Sully, BP 86510, 21065, Dijon cédex, France
| | - Hervé Bègue
- Pôle Mécanisme et Gestion des Interactions Plantes-Microorganismes - ERL CNRS 6300, Université de Bourgogne Franche-Comté, UMR 1347 Agroécologie, 17 rue Sully, BP 86510, 21065, Dijon cédex, France
| | - Cécile Blanchard
- Pôle Mécanisme et Gestion des Interactions Plantes-Microorganismes - ERL CNRS 6300, Université de Bourgogne Franche-Comté, UMR 1347 Agroécologie, 17 rue Sully, BP 86510, 21065, Dijon cédex, France
| | - Carole Pichereaux
- Fédération de Recherche 3450, Agrobiosciences, Interactions et Biodiversité, CNRS, 31326, Castanet-Tolosan, France
- Institut de Pharmacologie et de Biologie Structurale - CNRS, Université de Toulouse, 205 route de Narbonne,, 31077, Toulouse, France
| | - Angélique Besson-Bard
- Pôle Mécanisme et Gestion des Interactions Plantes-Microorganismes - ERL CNRS 6300, Université de Bourgogne Franche-Comté, UMR 1347 Agroécologie, 17 rue Sully, BP 86510, 21065, Dijon cédex, France
| | - Sébastien Aimé
- INRA, UMR 1347 Agroécologie, Pôle Mécanisme et Gestion des Interactions Plantes-Microorganismes - ERL CNRS 6300, 17 rue Sully, BP 86510, 21065, Dijon cédex, France
| | - David Wendehenne
- Pôle Mécanisme et Gestion des Interactions Plantes-Microorganismes - ERL CNRS 6300, Université de Bourgogne Franche-Comté, UMR 1347 Agroécologie, 17 rue Sully, BP 86510, 21065, Dijon cédex, France
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Zamyatnin AA. Plant Proteases Involved in Regulated Cell Death. BIOCHEMISTRY (MOSCOW) 2016; 80:1701-15. [PMID: 26878575 DOI: 10.1134/s0006297915130064] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Each plant genome encodes hundreds of proteolytic enzymes. These enzymes can be divided into five distinct classes: cysteine-, serine-, aspartic-, threonine-, and metalloproteinases. Despite the differences in their structural properties and activities, members of all of these classes in plants are involved in the processes of regulated cell death - a basic feature of eukaryotic organisms. Regulated cell death in plants is an indispensable mechanism supporting plant development, survival, stress responses, and defense against pathogens. This review summarizes recent advances in studies of plant proteolytic enzymes functioning in the initiation and execution of distinct types of regulated cell death.
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Affiliation(s)
- A A Zamyatnin
- Sechenov First Moscow State Medical University, Institute of Molecular Medicine, Moscow, 119991, Russia
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Ben Hamed-Laouti I, Arbelet-Bonnin D, De Bont L, Biligui B, Gakière B, Abdelly C, Ben Hamed K, Bouteau F. Comparison of NaCl-induced programmed cell death in the obligate halophyte Cakile maritima and the glycophyte Arabidopsis thaliana. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2016; 247:49-59. [PMID: 27095399 DOI: 10.1016/j.plantsci.2016.03.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2016] [Revised: 03/08/2016] [Accepted: 03/10/2016] [Indexed: 06/05/2023]
Abstract
Salinity represents one of the most important constraints that adversely affect plants growth and productivity. In this study, we aimed at determining possible differences between salt tolerant and salt sensitive species in early salt stress response. To this purpose, we subjected suspension-cultured cells from the halophyte Cakile maritima and the glycophyte Arabidopsis thaliana, two Brassicaceae, to salt stress and compared their behavior. In both species we could observe a time and dose dependent programmed cell death requiring an active metabolism, a dysfunction of mitochondria and caspase-like activation although C. maritima cells appeared less sensitive than A. thaliana cells. This capacity to mitigate salt stress could be due to a higher ascorbate pool that could allow C. maritima reducing the oxidative stress generated in response to NaCl. It further appeared that a higher number of C. maritima cultured cells when compared to A. thaliana could efficiently manage the Na(+) accumulation into the cytoplasm through non selective cation channels allowing also reducing the ROS generation and the subsequent cell death.
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Affiliation(s)
- Ibtissem Ben Hamed-Laouti
- Université Paris Diderot, Sorbonne Paris Cité, Laboratoire Interdisciplinaire des Energies de Demain, Paris, France; Laboratoire des Plantes Extrêmophiles, Centre de Biotechnologie de Borj Cedria, University of Carthage-Tunis, BP 901, 2050 Hammam Lif, Tunisia
| | - Delphine Arbelet-Bonnin
- Université Paris Diderot, Sorbonne Paris Cité, Laboratoire Interdisciplinaire des Energies de Demain, Paris, France
| | - Linda De Bont
- Institute of Plant Sciences-Paris-Saclay (UMR 9213) Bât. 630, 91405 Orsay, France
| | - Bernadette Biligui
- Université Paris Diderot, Sorbonne Paris Cité, Laboratoire Interdisciplinaire des Energies de Demain, Paris, France
| | - Bertrand Gakière
- Institute of Plant Sciences-Paris-Saclay (UMR 9213) Bât. 630, 91405 Orsay, France
| | - Chedly Abdelly
- Laboratoire des Plantes Extrêmophiles, Centre de Biotechnologie de Borj Cedria, University of Carthage-Tunis, BP 901, 2050 Hammam Lif, Tunisia
| | - Karim Ben Hamed
- Laboratoire des Plantes Extrêmophiles, Centre de Biotechnologie de Borj Cedria, University of Carthage-Tunis, BP 901, 2050 Hammam Lif, Tunisia
| | - François Bouteau
- Université Paris Diderot, Sorbonne Paris Cité, Laboratoire Interdisciplinaire des Energies de Demain, Paris, France.
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Kulik A, Noirot E, Grandperret V, Bourque S, Fromentin J, Salloignon P, Truntzer C, Dobrowolska G, Simon-Plas F, Wendehenne D. Interplays between nitric oxide and reactive oxygen species in cryptogein signalling. PLANT, CELL & ENVIRONMENT 2015; 38:331-48. [PMID: 24506708 DOI: 10.1111/pce.12295] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2013] [Accepted: 01/20/2014] [Indexed: 05/09/2023]
Abstract
Nitric oxide (NO) has many functions in plants. Here, we investigated its interplays with reactive oxygen species (ROS) in the defence responses triggered by the elicitin cryptogein. The production of NO induced by cryptogein in tobacco cells was partly regulated through a ROS-dependent pathway involving the NADPH oxidase NtRBOHD. In turn, NO down-regulated the level of H2O2. Both NO and ROS synthesis appeared to be under the control of type-2 histone deacetylases acting as negative regulators of cell death. Occurrence of an interplay between NO and ROS was further supported by the finding that cryptogein triggered a production of peroxynitrite (ONOO(-)). Next, we showed that ROS, but not NO, negatively regulate the intensity of activity of the cryptogein-induced protein kinase NtOSAK. Furthermore, using a DNA microarray approach, we identified 15 genes early induced by cryptogein via NO. A part of these genes was also modulated by ROS and encoded proteins showing sequence identity to ubiquitin ligases. Their expression appeared to be negatively regulated by ONOO(-), suggesting that ONOO(-) mitigates the effects of NO and ROS. Finally, we provided evidence that NO required NtRBOHD activity for inducing cell death, thus confirming previous assumption that ROS channel NO through cell death pathways.
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Affiliation(s)
- Anna Kulik
- INRA, UMR 1347 Agroécologie, Pôle Mécanisme et Gestion des Interactions Plantes-Microorganismes - ERL CNRS 6300, 17 rue Sully, BP 86510, 21065, Dijon cédex, France
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Hatsugai N, Yamada K, Goto-Yamada S, Hara-Nishimura I. Vacuolar processing enzyme in plant programmed cell death. FRONTIERS IN PLANT SCIENCE 2015; 6:234. [PMID: 25914711 PMCID: PMC4390986 DOI: 10.3389/fpls.2015.00234] [Citation(s) in RCA: 123] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2014] [Accepted: 03/24/2015] [Indexed: 05/19/2023]
Abstract
Vacuolar processing enzyme (VPE) is a cysteine proteinase originally identified as the proteinase responsible for the maturation and activation of vacuolar proteins in plants, and it is known to be an ortholog of animal asparaginyl endopeptidase (AEP/VPE/legumain). VPE has been shown to exhibit enzymatic properties similar to that of caspase 1, which is a cysteine protease that mediates the programmed cell death (PCD) pathway in animals. Although there is limited sequence identity between VPE and caspase 1, their predicted three-dimensional structures revealed that the essential amino-acid residues for these enzymes form similar pockets for the substrate peptide YVAD. In contrast to the cytosolic localization of caspases, VPE is localized in vacuoles. VPE provokes vacuolar rupture, initiating the proteolytic cascade leading to PCD in the plant immune response. It has become apparent that the VPE-dependent PCD pathway is involved not only in the immune response, but also in the responses to a variety of stress inducers and in the development of various tissues. This review summarizes the current knowledge on the contribution of VPE to plant PCD and its role in vacuole-mediated cell death, and it also compares VPE with the animal cell death executor caspase 1.
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Affiliation(s)
- Noriyuki Hatsugai
- Department of Plant Biology, Microbial and Plant Genomics Institute, University of MinnesotaSt. Paul, MN, USA
| | - Kenji Yamada
- Department of Botany, Graduate School of Science, Kyoto UniversityKyoto, Japan
| | - Shino Goto-Yamada
- Department of Botany, Graduate School of Science, Kyoto UniversityKyoto, Japan
| | - Ikuko Hara-Nishimura
- Department of Botany, Graduate School of Science, Kyoto UniversityKyoto, Japan
- *Correspondence: Ikuko Hara-Nishimura, Department of Botany, Graduate School of Science, Kyoto University, Kita-Shirakawa, Sakyo-ku, Kyoto 606-8502, Japan
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Monetti E, Kadono T, Tran D, Azzarello E, Arbelet-Bonnin D, Biligui B, Briand J, Kawano T, Mancuso S, Bouteau F. Deciphering early events involved in hyperosmotic stress-induced programmed cell death in tobacco BY-2 cells. JOURNAL OF EXPERIMENTAL BOTANY 2014; 65:1361-75. [PMID: 24420571 PMCID: PMC3969528 DOI: 10.1093/jxb/ert460] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Hyperosmotic stresses represent one of the major constraints that adversely affect plants growth, development, and productivity. In this study, the focus was on early responses to hyperosmotic stress- (NaCl and sorbitol) induced reactive oxygen species (ROS) generation, cytosolic Ca(2+) concentration ([Ca(2+)]cyt) increase, ion fluxes, and mitochondrial potential variations, and on their links in pathways leading to programmed cell death (PCD). By using BY-2 tobacco cells, it was shown that both NaCl- and sorbitol-induced PCD seemed to be dependent on superoxide anion (O2·(-)) generation by NADPH-oxidase. In the case of NaCl, an early influx of sodium through non-selective cation channels participates in the development of PCD through mitochondrial dysfunction and NADPH-oxidase-dependent O2·(-) generation. This supports the hypothesis of different pathways in NaCl- and sorbitol-induced cell death. Surprisingly, other shared early responses, such as [Ca(2+)]cyt increase and singlet oxygen production, do not seem to be involved in PCD.
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Affiliation(s)
- Emanuela Monetti
- Université Paris Diderot, Sorbonne Paris Cité, Institut des Energies de Demain (UMR8236), Paris, France
- Institut de Biologie des Plantes, Bât 630, 91405 Orsay, France
- LINV-DiSPAA, Department of Agri-Food and Environmental Science, University of Florence, Viale delle Idee 30, 50019 Sesto Fiorentino (FI), Italy
| | - Takashi Kadono
- Université Paris Diderot, Sorbonne Paris Cité, Institut des Energies de Demain (UMR8236), Paris, France
- Graduate School of Environmental Engineering, University of Kitakyushu 1-1, Hibikino, Wakamatsu-ku, Kitakyushu 808-0135, Japan
- Laboratory of Crop Science, Department of Plant Resources, Faculty of Agriculture, Kyushu University, 6-10-1 Hakozaki, Higashi-ku, Fukuoka 812–8581, Japan
| | - Daniel Tran
- Université Paris Diderot, Sorbonne Paris Cité, Institut des Energies de Demain (UMR8236), Paris, France
- Institut de Biologie des Plantes, Bât 630, 91405 Orsay, France
| | - Elisa Azzarello
- LINV-DiSPAA, Department of Agri-Food and Environmental Science, University of Florence, Viale delle Idee 30, 50019 Sesto Fiorentino (FI), Italy
| | - Delphine Arbelet-Bonnin
- Université Paris Diderot, Sorbonne Paris Cité, Institut des Energies de Demain (UMR8236), Paris, France
- Institut de Biologie des Plantes, Bât 630, 91405 Orsay, France
| | - Bernadette Biligui
- Université Paris Diderot, Sorbonne Paris Cité, Institut des Energies de Demain (UMR8236), Paris, France
- Institut de Biologie des Plantes, Bât 630, 91405 Orsay, France
| | - Joël Briand
- Université Paris Diderot, Sorbonne Paris Cité, Institut des Energies de Demain (UMR8236), Paris, France
- Institut de Biologie des Plantes, Bât 630, 91405 Orsay, France
| | - Tomonori Kawano
- LINV-DiSPAA, Department of Agri-Food and Environmental Science, University of Florence, Viale delle Idee 30, 50019 Sesto Fiorentino (FI), Italy
- Graduate School of Environmental Engineering, University of Kitakyushu 1-1, Hibikino, Wakamatsu-ku, Kitakyushu 808-0135, Japan
- University of Florence LINV Kitakyushu Research Center (LINV@Kitakyushu), Kitakyushu, Japan
- Université Paris Diderot, Sorbonne Paris Cité, Paris Interdisciplinary Energy Research Institute (PIERI), Paris, France
| | - Stefano Mancuso
- LINV-DiSPAA, Department of Agri-Food and Environmental Science, University of Florence, Viale delle Idee 30, 50019 Sesto Fiorentino (FI), Italy
- University of Florence LINV Kitakyushu Research Center (LINV@Kitakyushu), Kitakyushu, Japan
- Université Paris Diderot, Sorbonne Paris Cité, Paris Interdisciplinary Energy Research Institute (PIERI), Paris, France
| | - François Bouteau
- Université Paris Diderot, Sorbonne Paris Cité, Institut des Energies de Demain (UMR8236), Paris, France
- Institut de Biologie des Plantes, Bât 630, 91405 Orsay, France
- LINV-DiSPAA, Department of Agri-Food and Environmental Science, University of Florence, Viale delle Idee 30, 50019 Sesto Fiorentino (FI), Italy
- University of Florence LINV Kitakyushu Research Center (LINV@Kitakyushu), Kitakyushu, Japan
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12
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Guo W, Zuo Z, Cheng X, Sun J, Li H, Li L, Qiu JL. The chloride channel family gene CLCd negatively regulates pathogen-associated molecular pattern (PAMP)-triggered immunity in Arabidopsis. JOURNAL OF EXPERIMENTAL BOTANY 2014; 65:1205-15. [PMID: 24449384 PMCID: PMC3935575 DOI: 10.1093/jxb/ert484] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
Chloride channel (CLC) family genes are ubiquitous from prokaryotes to eukaryotes and encode proteins with both channel and transporter activities. The Arabidopsis thaliana genome encodes seven CLC genes, and their products are found in a variety of cellular compartments and have various physiological functions. However, a role for AtCLCs in plant innate immunity has not previously been demonstrated. Here it is reported that AtCLCd is a negative regulator of pathogen-associated molecular pattern (PAMP)-triggered immunity (PTI). T-DNA insertion mutants of AtCLCd exhibited enhanced responses to the elicitor, flg22. The PTI phenotypes of the clcd mutants were rescued by expression of AtCLCd. Overexpression of AtCLCd led to impaired flg22-induced responses. In line with a role for AtCLCd in PTI, the clcd mutants were more resistant to a virulent strain of the bacterial pathogen Pseudomonas syringae pv. tomato DC3000 when spray inoculated, while AtCLCd-overexpressing lines displayed increased susceptibility to this pathogen. Interestingly, flg22 treatment was found to repress the expression of AtCLCd. In addition, its expression was elevated in mutants of the flg22 pattern recognition receptor (PRR) FLS2 and the PRR regulatory proteins BAK1 and BKK1, and reduced in an FLS2-overexpressing line. These latter findings indicate that FLS2 complexes regulate the expression of AtCLCd, further supporting a role for AtCLCd in PTI.
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Affiliation(s)
- Wei Guo
- State Key Laboratory of Plant Genomics, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
| | - Zhangli Zuo
- State Key Laboratory of Plant Genomics, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
| | - Xi Cheng
- State Key Laboratory of Plant Genomics, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
| | - Juan Sun
- State Key Laboratory of Plant Genomics, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
| | - Huali Li
- State Key Laboratory of Plant Genomics, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
| | - Legong Li
- School of Life Sciences, Capital Normal University, Beijing 100048, China
| | - Jin-Long Qiu
- State Key Laboratory of Plant Genomics, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
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13
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Gauthier A, Trouvelot S, Kelloniemi J, Frettinger P, Wendehenne D, Daire X, Joubert JM, Ferrarini A, Delledonne M, Flors V, Poinssot B. The sulfated laminarin triggers a stress transcriptome before priming the SA- and ROS-dependent defenses during grapevine's induced resistance against Plasmopara viticola. PLoS One 2014; 9:e88145. [PMID: 24516597 PMCID: PMC3916396 DOI: 10.1371/journal.pone.0088145] [Citation(s) in RCA: 71] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2013] [Accepted: 01/03/2014] [Indexed: 12/18/2022] Open
Abstract
Grapevine (Vitis vinifera) is susceptible to many pathogens which cause significant losses to viticulture worldwide. Chemical control is available, but agro-ecological concerns have raised interest in alternative methods, especially in triggering plant immunity by elicitor treatments. The β-glucan laminarin (Lam) and its sulfated derivative (PS3) have been previously demonstrated to induce resistance in grapevine against downy mildew (Plasmopara viticola). However, if Lam elicits classical grapevine defenses such as oxidative burst, pathogenesis-related (PR)-proteins and phytoalexin production, PS3 triggered grapevine resistance via a poorly understood priming phenomenon. The aim of this study was to identify the molecular mechanisms of the PS3-induced resistance. For this purpose we studied i) the signaling events and transcriptome reprogramming triggered by PS3 treatment on uninfected grapevine, ii) grapevine immune responses primed by PS3 during P. viticola infection. Our results showed that i) PS3 was unable to elicit reactive oxygen species (ROS) production, cytosolic Ca(2+) concentration variations, mitogen-activated protein kinase (MAPK) activation but triggered a long lasting plasma membrane depolarization in grapevine cells, ii) PS3 and Lam shared a common stress-responsive transcriptome profile that partly overlapped the salicylate- (SA) and jasmonate-(JA)-dependent ones. After P. viticola inoculation, PS3 specifically primed the SA- and ROS-dependent defense pathways leading to grapevine induced resistance against this biotroph. Interestingly pharmacological approaches suggested that the plasma membrane depolarization and the downstream ROS production are key events of the PS3-induced resistance.
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Affiliation(s)
- Adrien Gauthier
- UMR 1347 Agroécologie, Université de Bourgogne, Dijon, France
| | | | - Jani Kelloniemi
- UMR 1347 Agroécologie, Université de Bourgogne, Dijon, France
| | | | | | | | | | - Alberto Ferrarini
- Dipartimento di Biotecnologie, Università degli Studi di Verona, Verona, Italy
| | - Massimo Delledonne
- Dipartimento di Biotecnologie, Università degli Studi di Verona, Verona, Italy
| | - Victor Flors
- Plant Physiology Section, University of Jaume I, Castellón, Spain
| | - Benoit Poinssot
- UMR 1347 Agroécologie, Université de Bourgogne, Dijon, France
- * E-mail:
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14
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Kurusu T, Saito K, Horikoshi S, Hanamata S, Negi J, Yagi C, Kitahata N, Iba K, Kuchitsu K. An S-type anion channel SLAC1 is involved in cryptogein-induced ion fluxes and modulates hypersensitive responses in tobacco BY-2 cells. PLoS One 2013; 8:e70623. [PMID: 23950973 PMCID: PMC3741279 DOI: 10.1371/journal.pone.0070623] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2013] [Accepted: 06/19/2013] [Indexed: 01/01/2023] Open
Abstract
Pharmacological evidence suggests that anion channel-mediated plasma membrane anion effluxes are crucial in early defense signaling to induce immune responses and hypersensitive cell death in plants. However, their molecular bases and regulation remain largely unknown. We overexpressed Arabidopsis SLAC1, an S-type anion channel involved in stomatal closure, in cultured tobacco BY-2 cells and analyzed the effect on cryptogein-induced defense responses including fluxes of Cl(-) and other ions, production of reactive oxygen species (ROS), gene expression and hypersensitive responses. The SLAC1-GFP fusion protein was localized at the plasma membrane in BY-2 cells. Overexpression of SLAC1 enhanced cryptogein-induced Cl(-) efflux and extracellular alkalinization as well as rapid/transient and slow/prolonged phases of NADPH oxidase-mediated ROS production, which was suppressed by an anion channel inhibitor, DIDS. The overexpressor also showed enhanced sensitivity to cryptogein to induce downstream immune responses, including the induction of defense marker genes and the hypersensitive cell death. These results suggest that SLAC1 expressed in BY-2 cells mediates cryptogein-induced plasma membrane Cl(-) efflux to positively modulate the elicitor-triggered activation of other ion fluxes, ROS as well as a wide range of defense signaling pathways. These findings shed light on the possible involvement of the SLAC/SLAH family anion channels in cryptogein signaling to trigger the plasma membrane ion channel cascade in the plant defense signal transduction network.
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Affiliation(s)
- Takamitsu Kurusu
- Department of Applied Biological Science, Tokyo University of Science, Noda, Chiba, Japan
- Research Institute for Science and Technology, Tokyo University of Science, Noda, Chiba, Japan
- School of Bioscience and Biotechnology, Tokyo University of Technology, Hachioji, Tokyo, Japan
| | - Katsunori Saito
- Department of Applied Biological Science, Tokyo University of Science, Noda, Chiba, Japan
| | - Sonoko Horikoshi
- Department of Applied Biological Science, Tokyo University of Science, Noda, Chiba, Japan
| | - Shigeru Hanamata
- Department of Applied Biological Science, Tokyo University of Science, Noda, Chiba, Japan
| | - Juntaro Negi
- Department of Biology, Faculty of Science, Kyushu University, Fukuoka, Japan
| | - Chikako Yagi
- Department of Applied Biological Science, Tokyo University of Science, Noda, Chiba, Japan
| | - Nobutaka Kitahata
- Department of Applied Biological Science, Tokyo University of Science, Noda, Chiba, Japan
| | - Koh Iba
- Department of Biology, Faculty of Science, Kyushu University, Fukuoka, Japan
| | - Kazuyuki Kuchitsu
- Department of Applied Biological Science, Tokyo University of Science, Noda, Chiba, Japan
- Research Institute for Science and Technology, Tokyo University of Science, Noda, Chiba, Japan
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15
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Lampl N, Alkan N, Davydov O, Fluhr R. Set-point control of RD21 protease activity by AtSerpin1 controls cell death in Arabidopsis. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2013; 74:498-510. [PMID: 23398119 DOI: 10.1111/tpj.12141] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2012] [Accepted: 02/01/2013] [Indexed: 05/23/2023]
Abstract
Programmed cell death (PCD) in plants plays a key role in defense response and is promoted by the release of compartmentalized proteases to the cytoplasm. Yet the exact identity and control of these proteases is poorly understood. Serpins are an important group of proteins that uniquely curb the activity of proteases by irreversible inhibition; however, their role in plants remains obscure. Here we show that during cell death the Arabidopsis serpin protease inhibitor, AtSerpin1, exhibits a pro-survival function by inhibiting its target pro-death protease, RD21. AtSerpin1 accumulates in the cytoplasm and RD21 accumulates in the vacuole and in endoplasmic reticulum bodies. Elicitors of cell death, including the salicylic acid agonist benzothiadiazole and the fungal toxin oxalic acid, stimulated changes in vacuole permeability as measured by the changes in the distribution of marker dye. Concomitantly, a covalent AtSerpin1-RD21 complex was detected indicative of a change in protease compartmentalization. Furthermore, mutant plants lacking RD21 or plants with AtSerpin1 over-expression exhibited significantly less elicitor-stimulated PCD than plants lacking AtSerpin1. The necrotrophic fungi Botrytis cinerea and Sclerotina sclerotiorum secrete oxalic acid as a toxin that stimulates cell death. Consistent with a pro-death function for RD21 protease, the growth of these necrotrophs was compromised in plants lacking RD21 but accelerated in plants lacking AtSerpin1. The results indicate that AtSerpin1 controls the pro-death function of compartmentalized protease RD21 by determining a set-point for its activity and limiting the damage induced during cell death.
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Affiliation(s)
- Nardy Lampl
- Department of Plant Sciences, Weizmann Institute of Science, Rehovot 76100, Israel
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16
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Haapalainen M, Dauphin A, Li CM, Bailly G, Tran D, Briand J, Bouteau F, Taira S. HrpZ harpins from different Pseudomonas syringae pathovars differ in molecular interactions and in induction of anion channel responses in Arabidopsis thaliana suspension cells. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2012; 51:168-74. [PMID: 22153254 DOI: 10.1016/j.plaphy.2011.10.022] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2011] [Accepted: 10/31/2011] [Indexed: 05/16/2023]
Abstract
HrpZ, a type three secretion system helper protein from the plant-pathogen Pseudomonas syringae, can be recognized by many plants as a defence elicitor. Responses of Arabidopsis thaliana suspension cells to different HrpZ variants were studied by electrophysiological methods and cell death assay. Purified HrpZ originating from a compatible pathogen P. syringae pv. tomato DC3000 (HrpZ(Pto)) and incompatible P. syringae pv. phaseolicola (HrpZ(Pph)) both promoted Arabidopsis cell death. As an early response, both HrpZ variants induced an increase in time dependent K(+) outward rectifying current. In contrast, the effects of HrpZ proteins on anion currents were different: HrpZ(Pph) had no effect, and HrpZ(Pto) induced an anion current increase. This suggests that the observed responses of the K(+) channels and anion channels resulted from different and separable interactions and that the interaction implied in anion current modulation is host-specific. HrpZ(Pto) and HrpZ(Pph) also had a different sequence preference in phage display screen for peptide-binding. These peptides presumably represent a part of a putative target protein in the host, and HrpZ proteins of different P. syringae pathovars might have different binding specificities to match the allelic variation between plant species. Supporting the idea that the peptide-binding region of HrpZ is important for interactions with host cell components, we found that a mutation in that region changed the anion channel response of Arabidopsis cells.
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Affiliation(s)
- M Haapalainen
- General Microbiology, Department of Biological and Environmental Sciences, 00014 University of Helsinki, Finland.
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17
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Dubreuil-Maurizi C, Vitecek J, Marty L, Branciard L, Frettinger P, Wendehenne D, Meyer AJ, Mauch F, Poinssot B. Glutathione deficiency of the Arabidopsis mutant pad2-1 affects oxidative stress-related events, defense gene expression, and the hypersensitive response. PLANT PHYSIOLOGY 2011; 157:2000-12. [PMID: 22007023 PMCID: PMC3327178 DOI: 10.1104/pp.111.182667] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2011] [Accepted: 10/15/2011] [Indexed: 05/18/2023]
Abstract
The Arabidopsis (Arabidopsis thaliana) phytoalexin-deficient mutant pad2-1 displays enhanced susceptibility to a broad range of pathogens and herbivorous insects that correlates with deficiencies in the production of camalexin, indole glucosinolates, and salicylic acid (SA). The pad2-1 mutation is localized in the GLUTAMATE-CYSTEINE LIGASE (GCL) gene encoding the first enzyme of glutathione biosynthesis. While pad2-1 glutathione deficiency is not caused by a decrease in GCL transcripts, analysis of GCL protein level revealed that pad2-1 plants contained only 48% of the wild-type protein amount. In contrast to the wild type, the oxidized form of GCL was dominant in pad2-1, suggesting a distinct redox environment. This finding was corroborated by the expression of GRX1-roGFP2, showing that the cytosolic glutathione redox potential was significantly less negative in pad2-1. Analysis of oxidative stress-related gene expression showed a higher transcript accumulation in pad2-1 of GLUTATHIONE REDUCTASE, GLUTATHIONE-S-TRANSFERASE, and RESPIRATORY BURST OXIDASE HOMOLOG D in response to the oomycete Phytophthora brassicae. Interestingly, oligogalacturonide elicitation in pad2-1 revealed a lower plasma membrane depolarization that was found to act upstream of an impaired hydrogen peroxide production. This impaired hydrogen peroxide production was also observed during pathogen infection and correlated with a reduced hypersensitive response in pad2-1. In addition, a lack of pathogen-triggered expression of the ISOCHORISMATE SYNTHASE1 gene, coding for the SA-biosynthetic enzyme isochorismate synthase, was identified as the cause of the SA deficiency in pad2-1. Together, our results indicate that the pad2-1 mutation is related to a decrease in GCL protein and that the resulting glutathione deficiency negatively affects important processes of disease resistance.
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18
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Bourque S, Dutartre A, Hammoudi V, Blanc S, Dahan J, Jeandroz S, Pichereaux C, Rossignol M, Wendehenne D. Type-2 histone deacetylases as new regulators of elicitor-induced cell death in plants. THE NEW PHYTOLOGIST 2011; 192:127-139. [PMID: 21651563 DOI: 10.1111/j.1469-8137.2011.03788.x] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
• Plant resistance to pathogen attack is often associated with a localized programmed cell death called hypersensitive response (HR). How this cell death is controlled remains largely unknown. • Upon treatment with cryptogein, an elicitor of tobacco defence and cell death, we identified NtHD2a and NtHD2b, two redundant isoforms of type-2 nuclear histone deacetylases (HDACs). These HDACs are phosphorylated after a few minutes' treatment, and their rate of mRNAs are rapidly and strongly reduced, leading to a 40-fold decrease after 10 h of treatment. • By using HDAC inhibitors, RNAi- and overexpression-based approaches, we showed that HDACs, and especially NtHD2a/b, act as inhibitors of cryptogein-induced cell death. Moreover, in NtHD2a/b-silenced plants, infiltration with cryptogein led to HR-like symptoms in distal leaves. • Taken together, these results show for the first time that type-2 HDACs, which are specific to plants, act as negative regulators of elicitor-induced cell death in tobacco (Nicotiana tabacum), suggesting that the HR is controlled by post-translational modifications including (de)acetylation of nuclear proteins.
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Affiliation(s)
- Stéphane Bourque
- UMR INRA 1088/CNRS 5184/Université de Bourgogne Plante-Microbe-Environnement, 17 Rue Sully, BP 86510, 21065 Dijon cedex, France
- GDR CNRS N°2688 'Calcium et régulation de l'expression des gènes en contexte normal et pathologique', 31000 Toulouse, France
| | - Agnès Dutartre
- UMR INRA 1088/CNRS 5184/Université de Bourgogne Plante-Microbe-Environnement, 17 Rue Sully, BP 86510, 21065 Dijon cedex, France
| | - Valentin Hammoudi
- UMR INRA 1088/CNRS 5184/Université de Bourgogne Plante-Microbe-Environnement, 17 Rue Sully, BP 86510, 21065 Dijon cedex, France
| | - Sabrina Blanc
- UMR INRA 1088/CNRS 5184/Université de Bourgogne Plante-Microbe-Environnement, 17 Rue Sully, BP 86510, 21065 Dijon cedex, France
| | - Jennifer Dahan
- UMR INRA 1088/CNRS 5184/Université de Bourgogne Plante-Microbe-Environnement, 17 Rue Sully, BP 86510, 21065 Dijon cedex, France
| | - Sylvain Jeandroz
- UPSP PROXISS, AgroSup Dijon, 26 Boulevard du Dr Petitjean, BP 87999, 21079 Dijon cedex, France
| | - Carole Pichereaux
- Plateforme Protéomique Génopole Toulouse Midi-Pyrénées, Institut de Pharmacologie et de Biologie Structurale (IPBS), CNRS, 205 route de Narbonne, F-31077 Toulouse, France and Université Paul Sabatier, Université de Toulouse, F-31077 Toulouse, France
| | - Michel Rossignol
- Plateforme Protéomique Génopole Toulouse Midi-Pyrénées, Institut de Pharmacologie et de Biologie Structurale (IPBS), CNRS, 205 route de Narbonne, F-31077 Toulouse, France and Université Paul Sabatier, Université de Toulouse, F-31077 Toulouse, France
| | - David Wendehenne
- UMR INRA 1088/CNRS 5184/Université de Bourgogne Plante-Microbe-Environnement, 17 Rue Sully, BP 86510, 21065 Dijon cedex, France
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19
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Kadono T, Tran D, Errakhi R, Hiramatsu T, Meimoun P, Briand J, Iwaya-Inoue M, Kawano T, Bouteau F. Increased anion channel activity is an unavoidable event in ozone-induced programmed cell death. PLoS One 2010; 5:e13373. [PMID: 20967217 PMCID: PMC2954175 DOI: 10.1371/journal.pone.0013373] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2010] [Accepted: 09/20/2010] [Indexed: 01/05/2023] Open
Abstract
BACKGROUND Ozone is a major secondary air pollutant often reaching high concentrations in urban areas under strong daylight, high temperature and stagnant high-pressure systems. Ozone in the troposphere is a pollutant that is harmful to the plant. PRINCIPAL FINDINGS By exposing cells to a strong pulse of ozonized air, an acute cell death was observed in suspension cells of Arabidopsis thaliana used as a model. We demonstrated that O(3) treatment induced the activation of a plasma membrane anion channel that is an early prerequisite of O(3)-induced cell death in A. thaliana. Our data further suggest interplay of anion channel activation with well known plant responses to O(3), Ca(2+) influx and NADPH-oxidase generated reactive oxygen species (ROS) in mediating the oxidative cell death. This interplay might be fuelled by several mechanisms in addition to the direct ROS generation by O(3); namely, H(2)O(2) generation by salicylic and abscisic acids. Anion channel activation was also shown to promote the accumulation of transcripts encoding vacuolar processing enzymes, a family of proteases previously reported to contribute to the disruption of vacuole integrity observed during programmed cell death. SIGNIFICANCE Collectively, our data indicate that anion efflux is an early key component of morphological and biochemical events leading to O(3)-induced programmed cell death. Because ion channels and more specifically anion channels assume a crucial position in cells, an understanding about the underlying role(s) for ion channels in the signalling pathway leading to programmed cell death is a subject that warrants future investigation.
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Affiliation(s)
- Takashi Kadono
- Laboratoire d'Electrophysiologie des Membranes,
Université Paris Diderot-Paris 7, Institut de Biologie des Plantes,
Bât 630, Orsay, France
- Faculty of Agriculture, Kyushu University, Hakozaki, Higashi-ku, Fukuoka,
Japan
| | - Daniel Tran
- Laboratoire d'Electrophysiologie des Membranes,
Université Paris Diderot-Paris 7, Institut de Biologie des Plantes,
Bât 630, Orsay, France
| | - Rafik Errakhi
- Laboratoire d'Electrophysiologie des Membranes,
Université Paris Diderot-Paris 7, Institut de Biologie des Plantes,
Bât 630, Orsay, France
| | - Takuya Hiramatsu
- Graduate School of Environmental Engineering, University of Kitakyushu
1-1, Hibikino, Wakamatsu-ku, Kitakyushu, Japan
| | - Patrice Meimoun
- Laboratoire d'Electrophysiologie des Membranes,
Université Paris Diderot-Paris 7, Institut de Biologie des Plantes,
Bât 630, Orsay, France
| | - Joël Briand
- Laboratoire d'Electrophysiologie des Membranes,
Université Paris Diderot-Paris 7, Institut de Biologie des Plantes,
Bât 630, Orsay, France
| | - Mari Iwaya-Inoue
- Faculty of Agriculture, Kyushu University, Hakozaki, Higashi-ku, Fukuoka,
Japan
| | - Tomonori Kawano
- Laboratoire d'Electrophysiologie des Membranes,
Université Paris Diderot-Paris 7, Institut de Biologie des Plantes,
Bât 630, Orsay, France
- Graduate School of Environmental Engineering, University of Kitakyushu
1-1, Hibikino, Wakamatsu-ku, Kitakyushu, Japan
| | - François Bouteau
- Laboratoire d'Electrophysiologie des Membranes,
Université Paris Diderot-Paris 7, Institut de Biologie des Plantes,
Bât 630, Orsay, France
- Graduate School of Environmental Engineering, University of Kitakyushu
1-1, Hibikino, Wakamatsu-ku, Kitakyushu, Japan
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20
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Colcombet J, Mathieu Y, Peyronnet R, Agier N, Lelièvre F, Barbier-Brygoo H, Frachisse JM. R-type anion channel activation is an essential step for ROS-dependent innate immune response in Arabidopsis suspension cells. FUNCTIONAL PLANT BIOLOGY : FPB 2009; 36:832-843. [PMID: 32688693 DOI: 10.1071/fp09096] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/01/2009] [Accepted: 07/23/2009] [Indexed: 06/11/2023]
Abstract
Plants are constantly exposed to environmental biotic and abiotic stresses. Plants cells perceive these factors and trigger early responses followed by delayed and complex adaptation processes. Using cell suspensions of Arabidopsis thaliana (L.) as a cellular model, we investigated the role of plasma membrane anion channels in Reactive Oxygen Species (ROS) production and in cell death which occurs during non-host pathogen infection. Protoplasts derived from Arabidopsis suspension cells display two anion currents with characteristics very similar to those of the slow nitrate-permeable (S-type) and rapid sulfate-permeable (R-type) channels previously characterised in hypocotyl cells and other cell types. Using seven inhibitors, we showed that the R-type channel and ROS formation in cell cultures present similar pharmacological profiles. The efficiency of anion channel blockers to inhibit ROS production was independent of the nature of the triggering signal (osmotic stress or general elicitors of plant defence), indicating that the R-type channel represents a crossroad in the signalling pathways leading to ROS production. In a second step, we show that treatment with R-type channel blockers accelerates cell death triggered by the non-specific plant pathogen Xanthomonas campestris. Finally, we discuss the hypothesis that the R-type channel is involved in innate immune response allowing cell defence via antibacterial ROS production.
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Affiliation(s)
- Jean Colcombet
- Present address: Unité de Recherche en Génomique Végétale, 2 rue Gaston Crémieux, 91057 Evry, France
| | - Yves Mathieu
- Institut des Sciences du Végétal, CNRS UPR 2355, 22 Avenue de la Terrasse, 91198 Gif sur Yvette, France
| | - Remi Peyronnet
- Institut des Sciences du Végétal, CNRS UPR 2355, 22 Avenue de la Terrasse, 91198 Gif sur Yvette, France
| | - Nicolas Agier
- Present address: CNRS-CGM, 14 Avenue de la Terrasse, 91198 Gif sur Yvette, France
| | - Françoise Lelièvre
- Institut des Sciences du Végétal, CNRS UPR 2355, 22 Avenue de la Terrasse, 91198 Gif sur Yvette, France
| | - Hélène Barbier-Brygoo
- Institut des Sciences du Végétal, CNRS UPR 2355, 22 Avenue de la Terrasse, 91198 Gif sur Yvette, France
| | - Jean-Marie Frachisse
- Institut des Sciences du Végétal, CNRS UPR 2355, 22 Avenue de la Terrasse, 91198 Gif sur Yvette, France
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21
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Dahan J, Pichereaux C, Rossignol M, Blanc S, Wendehenne D, Pugin A, Bourque S. Activation of a nuclear-localized SIPK in tobacco cells challenged by cryptogein, an elicitor of plant defence reactions. Biochem J 2009; 418:191-200. [PMID: 18925873 DOI: 10.1042/bj20081465] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
When a plant cell is challenged by a well-defined stimulus, complex signal transduction pathways are activated to promote the modulation of specific sets of genes and eventually to develop adaptive responses. In this context, protein phosphorylation plays a fundamental role through the activation of multiple protein kinase families. Although the involvement of protein kinases at the plasma membrane and cytosolic levels are now well-documented, their nuclear counterparts are still poorly investigated. In the field of plant defence reactions, no known study has yet reported the activation of a nuclear protein kinase and/or its nuclear activity in plant cells, although some protein kinases, e.g. MAPK (mitogen-activated protein kinase), are known to be translocated into the nucleus. In the present study, we investigated the ability of cryptogein, a proteinaceous elicitor of tobacco defence reactions, to induce different nuclear protein kinase activities. We found that at least four nuclear protein kinases are activated in response to cryptogein treatment in a time-dependent manner, some of them exhibiting Ca(2+)-dependent activity. The present study focused on one 47 kDa protein kinase with a Ca(2+)-independent activity, closely related to the MAPK family. After purification and microsequencing, this protein kinase was formally identified as SIPK (salicyclic acid-induced protein kinase), a biotic and abiotic stress-activated MAPK of tobacco. We also showed that cytosolic activation of SIPK is not sufficient to promote a nuclear SIPK activity, the latter being correlated with cell death. In that way, the present study provides evidence of a functional nuclear MAPK activity involved in response to an elicitor treatment.
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Affiliation(s)
- Jennifer Dahan
- UMR INRA 1088/CNRS 5184/Université de Bourgogne Plante-Microbe-Environnement, 17 Rue Sully, BP 86510, 21065 Dijon cédex, France
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22
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Reboutier D, Bouteau F. Harpins and ion channels modulations: Many ways to die. PLANT SIGNALING & BEHAVIOR 2008; 3:314-6. [PMID: 19841656 PMCID: PMC2634268 DOI: 10.4161/psb.3.5.5304] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/12/2007] [Accepted: 11/15/2007] [Indexed: 05/24/2023]
Abstract
Harpins are type three secretion system (TTSS) effectors. While few harpins are thought to be translocators of TTSS effectors through the host plasma membrane during plant/bacteria interactions, functions of many harpins remain for the moment mysterious. We recently showed that the HrpW(ea) harpin from Erwinia amylovora, at subnamolar concentration, was able to decrease defense responses triggered by another harpin from this bacteria, HrpN(ea). This antagonism could be the result of opposed anion channels modulations triggered by HrpW(ea) and HrpN(ea). At upper concentrations HrpW(ea) alone, or in combination with HrpN(ea), was able to induce cell death. This form of cell death involves strong ion channel activation and shares similarity with apoptosis volume decrease (AVD), a form of programmed cell death well described in animal cells. All these results suggest different ways for harpins to trigger cell death and highlight the role of ion channels during cell death processes.
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Affiliation(s)
- David Reboutier
- LEM; EA 3514; Université Paris Diderot; Case 7069; Paris, France
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23
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Besson-Bard A, Courtois C, Gauthier A, Dahan J, Dobrowolska G, Jeandroz S, Pugin A, Wendehenne D. Nitric oxide in plants: production and cross-talk with Ca2+ signaling. MOLECULAR PLANT 2008; 1:218-28. [PMID: 19825534 DOI: 10.1093/mp/ssm016] [Citation(s) in RCA: 57] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Nitric oxide (NO) is a diatomic gas that performs crucial functions in a wide array of physiological processes in animals. The past several years have revealed much about its roles in plants. It is well established that NO is synthesized from nitrite by nitrate reductase (NR) and via chemical pathways. There is increasing evidence for the occurrence of an alternative pathway in which NO production is catalysed from L-arginine by a so far non-identified enzyme. Contradictory results have been reported regarding the respective involvement of these enzymes in specific physiological conditions. Although much remains to be proved, we assume that these inconsistencies can be accounted for by the limited specificity of the pharmacological agents used to suppress NO synthesis but also by the reduced content of L-arginine as well as the inactivity of nitrate-permeable anion channels in nitrate reductase- and/or nitrate/nitrite-deficient plants. Another unresolved issue concerns the molecular mechanisms underlying NO effects in plants. Here, we provide evidence that the second messenger Ca2+, as well as protein kinases including MAPK and SnRK2, are very plausible mediators of the NO signals. These findings open new perspectives about NO-based signaling in plants.
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Affiliation(s)
- Angélique Besson-Bard
- Unité Mixte de Recherche INRA 1088/CNRS 5184/Université de Bourgogne, Plante-Microbe-Environnement, 17 rue Sully, BP 86510, 21065 Dijon cedex, France
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24
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Reboutier D, Frankart C, Briand J, Biligui B, Rona JP, Haapalainen M, Barny MA, Bouteau F. Antagonistic action of harpin proteins: HrpWea from Erwinia amylovora suppresses HrpNea-induced cell death in Arabidopsis thaliana. J Cell Sci 2007; 120:3271-8. [PMID: 17726062 DOI: 10.1242/jcs.011098] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Harpins are proteins secreted by the type-three secretion system of phytopathogenic bacteria. They are known to induce a hypersensitive response (HR) in non-host plant leaf tissue. Erwinia amylovora, the fire blight pathogen of pear and apple trees, secretes two different harpins, HrpNea and HrpWea. In the present study, we showed that an Erwinia amylovora hrpWea mutant induces stronger electrolyte leakages in Arabidopsis thaliana foliar disks than the wild-type strain, thus suggesting that HrpWea could function as a HR negative modulator. We confirmed this result by using purified HrpWea and HrpNea. HrpWea has dual effects depending on its concentration. At 200 nM, HrpWea, like HrpNea, provoked the classical defense response--active oxygen species (AOS) production and cell death. However, at 0.2 nM, HrpWea inhibited cell death and AOS production provoked by HrpNea. HrpWea probably inhibits HrpNea-induced cell death by preventing anion channel inhibition, confirming that anion channel regulation is a determinant feature of the plant response to harpins. Collectively our data show that the HrpWea harpin can act antagonistically to the classical HrpNea harpin by suppressing plant defense mechanisms.
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Affiliation(s)
- David Reboutier
- LEM, EA 3514, Université Paris Diderot, Case 7069, 2 place Jussieu, 75251 Paris cedex 5, France
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