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Sylvain-Bonfanti L, Page J, Arbelet-Bonnin D, Meimoun P, Grésillon É, Bouteau F, Laurenti P. [Anaesthesia, a process common to all living organisms]. Med Sci (Paris) 2023; 39:738-743. [PMID: 37943134 DOI: 10.1051/medsci/2023123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2023] Open
Abstract
Because of their interest in medicine, most studies of anaesthesia focus on the nervous system of metazoans, and the fact that any life form can be anaesthetised is often underlooked. If electrical signalling is an essential phenomenon for the success of animals, it appears to be widespread beyond metazoans. Indeed, anaesthesia targets Na+/Ca2+ voltage-gated channels that exist in a wide variety of species and originate from ancestral channels that predate eukaryotes in the course of evolution. The fact that the anaesthetic capacity that leads to loss of sensitivity is common to all phyla may lead to two hypotheses: to be investigated is the evolutionary maintenance of the ability to be anaesthetised due to an adaptive advantage or to a simple intrinsic defect in ion channels? The study of anaesthesia in organisms phylogenetically distant from animals opens up promising prospects for the discovery of new anaesthetic treatments. Moreover, it should also lead to a better understanding of a still poorly understood phenomenon that yet unifies all living organisms. We hope that this new understanding of the unity of life will help humans to assume their responsibilities towards all species, at a time when we are threatening biodiversity with mass extinction.
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Affiliation(s)
- Lucia Sylvain-Bonfanti
- Université Paris-Cité, laboratoire interdisciplinaire des énergies de demain (LIED UMR 8236), Paris, France - Université Paris-Cité, laboratoire dynamiques sociales et recomposition des espaces (LADYSS UMR 7533), Paris, France
| | - Julien Page
- Université Paris-Cité, laboratoire interdisciplinaire des énergies de demain (LIED UMR 8236), Paris, France
| | - Delphine Arbelet-Bonnin
- Université Paris-Cité, laboratoire interdisciplinaire des énergies de demain (LIED UMR 8236), Paris, France
| | - Patrice Meimoun
- Université Paris-Cité, laboratoire interdisciplinaire des énergies de demain (LIED UMR 8236), Paris, France - Sorbonne université, Paris, France
| | - Étienne Grésillon
- Université Paris-Cité, laboratoire dynamiques sociales et recomposition des espaces (LADYSS UMR 7533), Paris, France
| | - François Bouteau
- Université Paris-Cité, laboratoire interdisciplinaire des énergies de demain (LIED UMR 8236), Paris, France
| | - Patrick Laurenti
- Université Paris-Cité, laboratoire interdisciplinaire des énergies de demain (LIED UMR 8236), Paris, France
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Bouteau F, Grésillon E, Chartier D, Arbelet-Bonnin D, Kawano T, Baluška F, Mancuso S, Calvo P, Laurenti P. Our sisters the plants? notes from phylogenetics and botany on plant kinship blindness. Plant Signal Behav 2021; 16:2004769. [PMID: 34913409 PMCID: PMC9208782 DOI: 10.1080/15592324.2021.2004769] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Revised: 07/13/2021] [Accepted: 11/08/2021] [Indexed: 05/27/2023]
Abstract
Before the upheaval brought about by phylogenetic classification, classical taxonomy separated living beings into two distinct kingdoms, animals and plants. Rooted in 'naturalist' cosmology, Western science has built its theoretical apparatus on this dichotomy mostly based on ancient Aristotelian ideas. Nowadays, despite the adoption of the Darwinian paradigm that unifies living organisms as a kinship, the concept of the "scale of beings" continues to structure our analysis and understanding of living species. Our aim is to combine developments in phylogeny, recent advances in biology, and renewed interest in plant agency to craft an interdisciplinary stance on the living realm. The lines at the origin of plant or animal have a common evolutionary history dating back to about 3.9 Ga, separating only 1.6 Ga ago. From a phylogenetic perspective of living species history, plants and animals belong to sister groups. With recent data related to the field of Plant Neurobiology, our aim is to discuss some socio-cultural obstacles, mainly in Western naturalist epistemology, that have prevented the integration of living organisms as relatives, while suggesting a few avenues inspired by practices principally from other ontologies that could help overcome these obstacles and build bridges between different ways of connecting to life.
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Affiliation(s)
- François Bouteau
- Laboratoire Interdisciplinaire Des Énergies de Demain, Université de Paris, France
| | - Etienne Grésillon
- Laboratoire Dynamiques Sociales Et Recomposition Des Espaces (Ladyss-umr 7533), Université de Paris, Paris, France
| | - Denis Chartier
- Laboratoire Dynamiques Sociales Et Recomposition Des Espaces (Ladyss-umr 7533), Université de Paris, Paris, France
| | | | - Tomonori Kawano
- Graduate School of Environmental Engineering, University of Kitakyushu 1–1, KitakyushuJapan
| | - František Baluška
- Institute of Cellular and Molecular Botany, University of Bonn, Bonn, Germany
| | - Stefano Mancuso
- LINV-DiSPAA, Department of Agri-Food and Environmental Science, University of Florence, Sesto Fiorentino (FI), Italy
| | - Paco Calvo
- Minimal Intelligence Lab, Department of Philosophy, University of Murcia, Murcia, Spain
| | - Patrick Laurenti
- Laboratoire Interdisciplinaire Des Énergies de Demain, Université de Paris, France
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Tran D, Zhao T, Arbelet-Bonnin D, Kadono T, Meimoun P, Cangémi S, Kawano T, Errakhi R, Bouteau F. Erratum: Tran et al. Early Cellular Responses Induced by Sedimentary Calcite-Processed Particles in Bright Yellow 2 Tobacco Cultured Cells. Int. J. Mol. Sci. 2020, 21, 4279. Int J Mol Sci 2021; 22:ijms22136863. [PMID: 34202415 PMCID: PMC8269382 DOI: 10.3390/ijms22136863] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Accepted: 06/10/2021] [Indexed: 11/29/2022] Open
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.)
- Correspondence:
| | - 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.)
- Cogitamus Laboratory, 75013 Paris, France
| | - 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.)
- Cogitamus Laboratory, 75013 Paris, France
- 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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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 Sci 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] [What about the content of this article? (0)] [Affiliation(s)] [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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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] [What about the content of this article? (0)] [Affiliation(s)] [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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De Bont L, Naim E, Arbelet-Bonnin D, Xia Q, Palm E, Meimoun P, Mancuso S, El-Maarouf-Bouteau H, Bouteau F. Activation of plasma membrane H +-ATPases participates in dormancy alleviation in sunflower seeds. Plant Sci 2019; 280:408-415. [PMID: 30824019 DOI: 10.1016/j.plantsci.2018.12.015] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/18/2018] [Revised: 11/19/2018] [Accepted: 12/14/2018] [Indexed: 06/09/2023]
Abstract
Using various inhibitors and scavengers we took advantage of the size of sunflower (Helianthus annuus) seeds to investigate in vivo the effects of hormones, namely abscisic acid (ABA) and ethylene (ET), and reactive oxygen species (ROS) on the polarization of dormant (D) and non-dormant (ND) embryonic seed cells using microelectrodes. Our data show that D and ND seed cells present different polarization likely due to the regulation of plasma membrane (PM) H+-ATPase activity. The data obtained after addition of hormones or ROS scavengers further suggest that ABA dependent inhibition of PM H+-ATPases could participate in dormancy maintenance and that ET-and ROS-dependent PM H+-ATPase stimulation could participate in dormancy release in sunflower seeds.
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Affiliation(s)
| | - Elissa Naim
- Sorbonne Université, UMR7622-IBPS, Paris, France
| | - Delphine Arbelet-Bonnin
- Univ Paris Diderot, Laboratoire Interdisciplinaire des Energies de Demain (LIED), Paris, France
| | - Qiong Xia
- Sorbonne Université, UMR7622-IBPS, Paris, France
| | - Emily Palm
- LINV-DiSPAA, Department of Agri-Food and Environmental Science, University of Florence, Sesto Fiorentino, FI, Italy
| | - Patrice Meimoun
- Sorbonne Université, UMR7622-IBPS, Paris, France; Univ Paris Diderot, Laboratoire Interdisciplinaire des Energies de Demain (LIED), Paris, France
| | - Stefano Mancuso
- LINV-DiSPAA, Department of Agri-Food and Environmental Science, University of Florence, Sesto Fiorentino, FI, Italy; Univ Paris Diderot, Paris Interdisciplinary Energy Research Institute (PIERI), Paris, France
| | | | - François Bouteau
- Univ Paris Diderot, Laboratoire Interdisciplinaire des Energies de Demain (LIED), Paris, France; LINV-DiSPAA, Department of Agri-Food and Environmental Science, University of Florence, Sesto Fiorentino, FI, Italy.
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Nguyen HTH, Bouteau F, Mazars C, Kuse M, Kawano T. Enhanced elevations of hypo-osmotic shock-induced cytosolic and nucleic calcium concentrations in tobacco cells by pretreatment with dimethyl sulfoxide. Biosci Biotechnol Biochem 2019; 83:318-321. [PMID: 30345896 DOI: 10.1080/09168451.2018.1533801] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2018] [Accepted: 08/10/2018] [Indexed: 10/28/2022]
Abstract
Dimethyl sulfoxide (DMSO) is a dipolar aprotic solvent widely used in biological assays. Here, we observed that DMSO enhanced the hypo-osmotically induced increases in the concentration of Ca2+ in cytosolic and nucleic compartments in the transgenic cell-lines of tobacco (BY-2) expressing aequorin.
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Affiliation(s)
- Hieu T H Nguyen
- a International Photosynthesis Industrialization Research Center, Faculty and Graduate School of Environmental Engineering , The University of Kitakyushu , Kitakyushu , Japan
| | - François Bouteau
- b Université Paris Diderot, Sorbonne Paris Cité , Laboratoire Interdisciplinaire des Energies de Demain , Paris , France
- c LINV Kitakyushu Research Cente , University of Florence , Kitakyushu , Japan
| | - Christian Mazars
- d Laboratoire de Recherches en Sciences Végétales , Université de Toulouse UPS , Castanet-Tolosan , France
| | - Masaki Kuse
- e Laboratory of Natural Products Chemistry , Graduate School of Agricultural Science, Kobe University , Kobe , Japan
| | - Tomonori Kawano
- a International Photosynthesis Industrialization Research Center, Faculty and Graduate School of Environmental Engineering , The University of Kitakyushu , Kitakyushu , Japan
- b Université Paris Diderot, Sorbonne Paris Cité , Laboratoire Interdisciplinaire des Energies de Demain , Paris , France
- c LINV Kitakyushu Research Cente , University of Florence , Kitakyushu , Japan
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Tran D, Dauphin A, Meimoun P, Kadono T, Nguyen HTH, Arbelet-Bonnin D, Zhao T, Errakhi R, Lehner A, Kawano T, Bouteau F. Methanol induces cytosolic calcium variations, membrane depolarization and ethylene production in arabidopsis and tobacco. Ann Bot 2018; 122:849-860. [PMID: 29579139 PMCID: PMC6215043 DOI: 10.1093/aob/mcy038] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2017] [Accepted: 03/05/2018] [Indexed: 05/20/2023]
Abstract
Background and Aims Methanol is a volatile organic compound released from plants through the action of pectin methylesterases (PMEs), which demethylesterify cell wall pectins. Plant PMEs play a role in developmental processes but also in responses to herbivory and infection by fungal or bacterial pathogens. However, molecular mechanisms that explain how methanol could affect plant defences remain poorly understood. Methods Using cultured cells and seedlings from Arabidopsis thaliana and tobacco BY2 expressing the apoaequorin gene, allowing quantification of cytosolic Ca2+, a reactive oxygen species (ROS) probe (CLA, Cypridina luciferin analogue) and electrophysiological techniques, we followed early plant cell responses to exogenously supplied methanol applied as a liquid or as volatile. Key Results Methanol induces cytosolic Ca2+ variations that involve Ca2+ influx through the plasma membrane and Ca2+ release from internal stores. Our data further suggest that these Ca2+ variations could interact with different ROS and support a signalling pathway leading to well known plant responses to pathogens such as plasma membrane depolarization through anion channel regulation and ethylene synthesis. Conclusions Methanol is not only a by-product of PME activities, and our data suggest that [Ca2+]cyt variations could participate in signalling processes induced by methanol upstream of plant defence responses.
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Affiliation(s)
- Daniel Tran
- Université Paris Diderot, Sorbonne Paris Cité, Laboratoire Interdisciplinaire des Energies de Demain, Paris, France
- Department of Physiology & Cell Information Systems Group, McGill University, Montréal, Québec, Canada
| | - Aurélien Dauphin
- Université Paris Diderot, Sorbonne Paris Cité, Laboratoire Interdisciplinaire des Energies de Demain, Paris, France
- Institut Curie, CNRS UMR3215, INSERM U934, Paris, France
| | - Patrice Meimoun
- Université Paris Diderot, Sorbonne Paris Cité, Laboratoire Interdisciplinaire des Energies de Demain, Paris, France
- Sorbonne Université, UMR7622–IBPS, Paris, France
| | - Takashi Kadono
- Université Paris Diderot, Sorbonne Paris Cité, Laboratoire Interdisciplinaire des Energies de Demain, Paris, France
- Laboratory of Aquatic Environmental Science, Kochi University, Kochi, Japan
| | - Hieu T H Nguyen
- Graduate School of Environmental Engineering, University of Kitakyushu, Wakamatsu-ku, Kitakyushu, Japan
| | - Delphine Arbelet-Bonnin
- Université Paris Diderot, Sorbonne Paris Cité, Laboratoire Interdisciplinaire des Energies de Demain, Paris, France
| | - Tingting Zhao
- Université Paris Diderot, Sorbonne Paris Cité, Laboratoire Interdisciplinaire des Energies de Demain, Paris, France
| | - Rafik Errakhi
- Université Paris Diderot, Sorbonne Paris Cité, Laboratoire Interdisciplinaire des Energies de Demain, Paris, France
- Eurofins Agriscience Service, Marocco
| | - Arnaud Lehner
- Université Paris Diderot, Sorbonne Paris Cité, Laboratoire Interdisciplinaire des Energies de Demain, Paris, France
- Normandie Université, UNIROUEN, Laboratoire de Glycobiologie et Matrice Extracellulaire Végétale, EA4358, SFR Normandie végétal, Rouen, France
| | - Tomonori Kawano
- Graduate School of Environmental Engineering, University of Kitakyushu, Wakamatsu-ku, Kitakyushu, Japan
- LINV Kitakyushu Research Center, Kitakyushu, Japan
- Université Paris Diderot, Sorbonne Paris Cité, Paris Interdisciplinary Energy Research Institute (PIERI), Paris, France
| | - François Bouteau
- Université Paris Diderot, Sorbonne Paris Cité, Laboratoire Interdisciplinaire des Energies de Demain, Paris, France
- LINV Kitakyushu Research Center, Kitakyushu, Japan
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Nguyen HTH, Bouteau F, Mazars C, Kuse M, Kawano T. The involvement of calmodulin and protein kinases in the upstream of cytosolic and nucleic calcium signaling induced by hypoosmotic shock in tobacco cells. Plant Signal Behav 2018; 13:e1494467. [PMID: 30067454 PMCID: PMC6149468 DOI: 10.1080/15592324.2018.1494467] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/28/2018] [Accepted: 06/19/2018] [Indexed: 05/21/2023]
Abstract
Changes in Ca2+ concentrations in cytosol ([Ca2+]C) or nucleus ([Ca2+]N) may play some vital roles in plants under hypoosmotic shock (Hypo-OS). Here, we observed that Hypo-OS induces biphasic increases in [Ca2+]C and [Ca2+]N in two tobacco cell lines (BY-2) expressing apoaequorin either in the cytosol or in the nucleus. Both [Ca2+]C and [Ca2+]N were sensitively modulated by the inhibitors of calmodulin and protein kinases, supporting the view that calmodulin suppresses the 1st peaks and and protein kinases enhance 2nd peaks in [Ca2+]C and [Ca2+]N. Data also suggested that the 1st and 2nd events depend on the internal and extracellular Ca2+ sources, respectively.
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Affiliation(s)
- H. T. H. Nguyen
- Laboratory of Chemical Biology and Bioengineering, Faculty and Graduate School of Environmental Engineering, The University of Kitakyushu, Kitakyushu, Japan
| | - F. Bouteau
- Sorbonne Paris Cité, Laboratoire Interdisciplinaire des Energies de Demain, Université Paris Diderot, Paris, France
- University of Florence LINV Kitakyushu Research Center (LINV@Kitakyushu), Kitakyushu, Japan
- International Photosynthesis Industrialization Research Center, The University of Kitakyushu, Kitakyushu, Japan
| | - C. Mazars
- Laboratoire de Recherches en Sciences Végétales, Université de Toulouse UPS, CNRS UMR, Castanet-Tolosan, France
| | - M. Kuse
- Laboratory of Natural Products Chemistry, Graduate School of Agricultural Science, Kobe University, Kobe, Japan
| | - T. Kawano
- Laboratory of Chemical Biology and Bioengineering, Faculty and Graduate School of Environmental Engineering, The University of Kitakyushu, Kitakyushu, Japan
- University of Florence LINV Kitakyushu Research Center (LINV@Kitakyushu), Kitakyushu, Japan
- International Photosynthesis Industrialization Research Center, The University of Kitakyushu, Kitakyushu, Japan
- Univ. Paris-Diderot, Sorbonne Paris Cité, Paris Interdisciplinary Energy Research Institute (PIERI), Paris, France
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11
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Arbelet-Bonnin D, Ben Hamed-Laouti I, Laurenti P, Abdelly C, Ben Hamed K, Bouteau F. Cellular mechanisms to survive salt in the halophyte Cakile maritima. Plant Sci 2018; 272:173-178. [PMID: 29807589 DOI: 10.1016/j.plantsci.2018.04.018] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2017] [Revised: 03/20/2018] [Accepted: 04/20/2018] [Indexed: 06/08/2023]
Abstract
We recently identified two behaviours in cultured cells of the salt accumulating halophyte Cakile maritima: one related to a sustained depolarization due to Na+ influx through the non-selective cation channels leading to programmed cell death of these cells, a second one related to a transient depolarization allowing cells to survive (Ben Hamed-Laouti, 2016). In this study, we considered at the cellular level mechanisms that could participate to the exclusion of Na+ out of the cell and thus participate in the regulation of the internal contents of Na+ and cell survival. Upon addition of NaCl in the culture medium of suspension cells of C. maritima, we observed a rapid influx of Na+ followed by an efflux dependent of the activity of plasma membrane H+-ATPases, in accordance with the functioning of a Na+/H+ antiporter and the ability of some cells to repolarize. The Na+ efflux was shown to be dependent on Na+-dependent on Ca2+ influx like the SOS1 Na+/H+ antiporter. We further could observe in response to salt addition, an early production of singlet oxygen (1O2) probably due to peroxidase activities. This early 1O2 production seemed to be a prerequisite to the Na+ efflux. Our findings suggest that in addition to the pathway leading to PCD (Ben Hamed-Laouti, 2016), a second pathway comprising an SOS-like system could participate to the survival of a part of the C. maritima cultured cells challenged by salt stress.
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Affiliation(s)
- Delphine Arbelet-Bonnin
- Université Paris Diderot, Sorbonne Paris Cité, Laboratoire Interdisciplinaire des Energies de Demain, Paris, France
| | - 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
| | - Patrick Laurenti
- Université Paris Diderot, Sorbonne Paris Cité, Laboratoire Interdisciplinaire des Energies de Demain, Paris, 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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12
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Rodrigo-Moreno A, Bazihizina N, Azzarello E, Masi E, Tran D, Bouteau F, Baluska F, Mancuso S. Root phonotropism: Early signalling events following sound perception in Arabidopsis roots. Plant Sci 2017; 264:9-15. [PMID: 28969806 DOI: 10.1016/j.plantsci.2017.08.001] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/20/2017] [Revised: 07/31/2017] [Accepted: 08/01/2017] [Indexed: 05/10/2023]
Abstract
Sound is a fundamental form of energy and it has been suggested that plants can make use of acoustic cues to obtain information regarding their environments and alter and fine-tune their growth and development. Despite an increasing body of evidence indicating that it can influence plant growth and physiology, many questions concerning the effect of sound waves on plant growth and the underlying signalling mechanisms remains unknown. Here we show that in Arabidopsis thaliana, exposure to sound waves (200Hz) for 2 weeks induced positive phonotropism in roots, which grew towards to sound source. We found that sound waves triggered very quickly (within minutes) an increase in cytosolic Ca2+, possibly mediated by an influx through plasma membrane and a release from internal stock. Sound waves likewise elicited rapid reactive oxygen species (ROS) production and K+ efflux. Taken together these results suggest that changes in ion fluxes (Ca2+ and K+) and an increase in superoxide production are involved in sound perception in plants, as previously established in animals.
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Affiliation(s)
- Ana Rodrigo-Moreno
- Department of Agrifood Production and Environmental Sciences - Università degli Studi di Firenze, Viale delle Idee 30, 50019 Sesto Fiorentino, Florence, Italy.
| | - Nadia Bazihizina
- Department of Agrifood Production and Environmental Sciences - Università degli Studi di Firenze, Viale delle Idee 30, 50019 Sesto Fiorentino, Florence, Italy
| | - Elisa Azzarello
- Department of Agrifood Production and Environmental Sciences - Università degli Studi di Firenze, Viale delle Idee 30, 50019 Sesto Fiorentino, Florence, Italy
| | - Elisa Masi
- Department of Agrifood Production and Environmental Sciences - Università degli Studi di Firenze, Viale delle Idee 30, 50019 Sesto Fiorentino, Florence, Italy
| | - Daniel Tran
- Université Paris Diderot, Sorbonne Paris Cité, Laboratoire Interdisciplinaire des Energies de Demain, Paris, France
| | - François Bouteau
- Université Paris Diderot, Sorbonne Paris Cité, Laboratoire Interdisciplinaire des Energies de Demain, Paris, France
| | | | - Stefano Mancuso
- Department of Agrifood Production and Environmental Sciences - Università degli Studi di Firenze, Viale delle Idee 30, 50019 Sesto Fiorentino, Florence, Italy
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13
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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 Sci 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] [What about the content of this article? (0)] [Affiliation(s)] [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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14
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Kawano T, Kagenishi T, Kadono T, Bouteau F, Hiramatsu T, Lin C, Tanaka K, Tanaka L, Mancuso S, Uezu K, Okobira T, Furukawa H, Iwase J, Inokuchi R, Baluška F, Yokawa K. Production and removal of superoxide anion radical by artificial metalloenzymes and redox-active metals. Commun Integr Biol 2016; 8:e1000710. [PMID: 27066179 PMCID: PMC4802810 DOI: 10.1080/19420889.2014.1000710] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2014] [Accepted: 12/10/2014] [Indexed: 01/23/2023] Open
Abstract
Generation of reactive oxygen species is useful for various medical, engineering and agricultural purposes. These include clinical modulation of immunological mechanism, enhanced degradation of organic compounds released to the environments, removal of microorganisms for the hygienic purpose, and agricultural pest control; both directly acting against pathogenic microorganisms and indirectly via stimulation of plant defense mechanism represented by systemic acquired resistance and hypersensitive response. By aiming to develop a novel classes of artificial redox-active biocatalysts involved in production and/or removal of superoxide anion radicals, recent attempts for understanding and modification of natural catalytic proteins and functional DNA sequences of mammalian and plant origins are covered in this review article.
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Affiliation(s)
- Tomonori Kawano
- Graduate School and Faculty of Environmental Engineering; The University of Kitakyushu; Kitakyushu, Japan; International Photosynthesis Industrialization Research Center; The University of Kitakyushu; Kitakyushu, Japan; University of Florence LINV Kitakyushu Research Center (LINV@Kitakyushu); Kitakyushu, Japan; LINV- DiSPAA; Department of Agri-Food and Environmental Science; University of Florence; Sesto Fiorentino (FI), Italy; Univ Paris Diderot; Sorbonne Paris Cité; Paris Interdisciplinary Energy Research Institute (PIERI); Paris, France
| | - Tomoko Kagenishi
- Graduate School and Faculty of Environmental Engineering; The University of Kitakyushu; Kitakyushu, Japan; Fukuoka Industry; Science & Technology Foundation (Fukuoka IST), Fukuoka, Japan; IZMB; University of Bonn; Bonn, Germany
| | - Takashi Kadono
- Graduate School and Faculty of Environmental Engineering; The University of Kitakyushu; Kitakyushu, Japan; Fukuoka Industry; Science & Technology Foundation (Fukuoka IST), Fukuoka, Japan; Present address: Laboratory of Aquatic Environmental Science; Faculty of Agriculture; Kochi University; Kochi, Japan
| | - François Bouteau
- International Photosynthesis Industrialization Research Center; The University of Kitakyushu; Kitakyushu, Japan; University of Florence LINV Kitakyushu Research Center (LINV@Kitakyushu); Kitakyushu, Japan; LINV- DiSPAA; Department of Agri-Food and Environmental Science; University of Florence; Sesto Fiorentino (FI), Italy; Université Paris Diderot; Sorbonne Paris Cité; Institut des Energies de Demain (FRE 3597), Paris, France
| | - Takuya Hiramatsu
- Graduate School and Faculty of Environmental Engineering; The University of Kitakyushu ; Kitakyushu, Japan
| | - Cun Lin
- Graduate School and Faculty of Environmental Engineering; The University of Kitakyushu; Kitakyushu, Japan; K2R Inc.; Kitakyushu, Japan
| | | | | | - Stefano Mancuso
- International Photosynthesis Industrialization Research Center; The University of Kitakyushu; Kitakyushu, Japan; University of Florence LINV Kitakyushu Research Center (LINV@Kitakyushu); Kitakyushu, Japan; LINV- DiSPAA; Department of Agri-Food and Environmental Science; University of Florence; Sesto Fiorentino (FI), Italy; Univ Paris Diderot; Sorbonne Paris Cité; Paris Interdisciplinary Energy Research Institute (PIERI); Paris, France
| | - Kazuya Uezu
- Graduate School and Faculty of Environmental Engineering; The University of Kitakyushu; Kitakyushu, Japan; International Photosynthesis Industrialization Research Center; The University of Kitakyushu; Kitakyushu, Japan
| | - Tadashi Okobira
- Graduate School and Faculty of Environmental Engineering; The University of Kitakyushu; Kitakyushu, Japan; Fukuoka Industry; Science & Technology Foundation (Fukuoka IST), Fukuoka, Japan; Present address: Ariake National College of Technology; Omuta Fukuoka, Japan
| | - Hiroka Furukawa
- Graduate School and Faculty of Environmental Engineering; The University of Kitakyushu ; Kitakyushu, Japan
| | - Junichiro Iwase
- Graduate School and Faculty of Environmental Engineering; The University of Kitakyushu; Kitakyushu, Japan; LINV- DiSPAA; Department of Agri-Food and Environmental Science; University of Florence; Sesto Fiorentino (FI), Italy; Present address: Collaboration center; Kyushu Institute of Technology; Kitakyushu, Japan
| | - Reina Inokuchi
- Graduate School and Faculty of Environmental Engineering; The University of Kitakyushu ; Kitakyushu, Japan
| | - Frantisek Baluška
- International Photosynthesis Industrialization Research Center; The University of Kitakyushu; Kitakyushu, Japan; LINV- DiSPAA; Department of Agri-Food and Environmental Science; University of Florence; Sesto Fiorentino (FI), Italy; IZMB; University of Bonn; Bonn, Germany
| | - Ken Yokawa
- Graduate School and Faculty of Environmental Engineering; The University of Kitakyushu; Kitakyushu, Japan; International Photosynthesis Industrialization Research Center; The University of Kitakyushu; Kitakyushu, Japan; Fukuoka Industry; Science & Technology Foundation (Fukuoka IST), Fukuoka, Japan; IZMB; University of Bonn; Bonn, Germany
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15
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Goupil C, Ouerdane H, Herbert É, Kamsing A, Apertet Y, Bouteau F, Mancuso S, Patino R, Lecoeur P. Green thermoelectrics: Observation and analysis of plant thermoelectric response. BIO Web of Conferences 2016. [DOI: 10.1051/bioconf/20160603006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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16
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Lin C, Hara A, Comparini D, Bouteau F, Kawano T. Zinc-Dependent Protection of Tobacco and Rice Cells From Aluminum-Induced Superoxide-Mediated Cytotoxicity. Front Plant Sci 2015; 6:1079. [PMID: 26648960 PMCID: PMC4664629 DOI: 10.3389/fpls.2015.01079] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/09/2015] [Accepted: 11/18/2015] [Indexed: 06/05/2023]
Abstract
Al(3+) toxicity in growing plants is considered as one of the major factors limiting the production of crops on acidic soils worldwide. In the last 15 years, it has been proposed that Al(3+) toxicity are mediated with distortion of the cellular signaling mechanisms such as calcium signaling pathways, and production of cytotoxic reactive oxygen species (ROS) causing oxidative damages. On the other hand, zinc is normally present in plants at high concentrations and its deficiency is one of the most widespread micronutrient deficiencies in plants. Earlier studies suggested that lack of zinc often results in ROS-mediated oxidative damage to plant cells. Previously, inhibitory action of Zn(2+) against lanthanide-induced superoxide generation in tobacco cells have been reported, suggesting that Zn(2+) interferes with the cation-induced ROS production via stimulation of NADPH oxidase. In the present study, the effect of Zn(2+) on Al(3+)-induced superoxide generation in the cell suspension cultures of tobacco (Nicotiana tabacum L., cell-line, BY-2) and rice (Oryza sativa L., cv. Nipponbare), was examined. The Zn(2+)-dependent inhibition of the Al(3+)-induced oxidative burst was observed in both model cells selected from the monocots and dicots (rice and tobacco), suggesting that this phenomenon (Al(3+)/Zn(2+) interaction) can be preserved in higher plants. Subsequently induced cell death in tobacco cells was analyzed by lethal cell staining with Evans blue. Obtained results indicated that presence of Zn(2+) at physiological concentrations can protect the cells by preventing the Al(3+)-induced superoxide generation and cell death. Furthermore, the regulation of the Ca(2+) signaling, i.e., change in the cytosolic Ca(2+) ion concentration, and the cross-talks among the elements which participate in the pathway were further explored.
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Affiliation(s)
- Cun Lin
- Faculty of Environmental Engineering and Graduate School of Environmental Engineering, The University of Kitakyushu, Kitakyushu, Japan
| | - Ayaka Hara
- Faculty of Environmental Engineering and Graduate School of Environmental Engineering, The University of Kitakyushu, Kitakyushu, Japan
| | - Diego Comparini
- Faculty of Environmental Engineering and Graduate School of Environmental Engineering, The University of Kitakyushu, Kitakyushu, Japan
- International Photosynthesis Industrialization Research Center, The University of Kitakyushu, Kitakyushu, Japan
- University of Florence LINV Kitakyushu Research Center, Kitakyushu, Japan
- International Plant Neurobiology Laboratory, University of Florence, Sesto Fiorentino, Italy
| | - François Bouteau
- International Photosynthesis Industrialization Research Center, The University of Kitakyushu, Kitakyushu, Japan
- University of Florence LINV Kitakyushu Research Center, Kitakyushu, Japan
- International Plant Neurobiology Laboratory, University of Florence, Sesto Fiorentino, Italy
- Institut des Energies de Demain (FRE3597), Université Paris Diderot, Sorbonne Paris Cité, Paris, France
| | - Tomonori Kawano
- Faculty of Environmental Engineering and Graduate School of Environmental Engineering, The University of Kitakyushu, Kitakyushu, Japan
- International Photosynthesis Industrialization Research Center, The University of Kitakyushu, Kitakyushu, Japan
- University of Florence LINV Kitakyushu Research Center, Kitakyushu, Japan
- International Plant Neurobiology Laboratory, University of Florence, Sesto Fiorentino, Italy
- Université Paris Diderot, Sorbonne Paris Cité, Paris 7 Interdisciplinary Energy Research Institute, Paris, France
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17
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Yekkour A, Tran D, Arbelet-Bonnin D, Briand J, Mathieu F, Lebrihi A, Errakhi R, Sabaou N, Bouteau F. Early events induced by the toxin deoxynivalenol lead to programmed cell death in Nicotiana tabacum cells. Plant Sci 2015; 238:148-57. [PMID: 26259183 DOI: 10.1016/j.plantsci.2015.06.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2015] [Revised: 06/04/2015] [Accepted: 06/05/2015] [Indexed: 06/04/2023]
Abstract
Deoxynivalenol (DON) is a mycotoxin affecting animals and plants. This toxin synthesized by Fusarium culmorum and Fusarium graminearum is currently believed to play a decisive role in the fungal phytopathogenesis as a virulence factor. Using cultured cells of Nicotiana tabacum BY2, we showed that DON-induced programmed cell death (PCD) could require transcription and translation processes, in contrast to what was observed in animal cells. DON could induce different cross-linked pathways involving (i) reactive oxygen species (ROS) generation linked, at least partly, to a mitochondrial dysfunction and a transcriptional down-regulation of the alternative oxidase (Aox1) gene and (ii) regulation of ion channel activities participating in cell shrinkage, to achieve PCD.
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Affiliation(s)
- Amine Yekkour
- Université Paris Diderot, Sorbonne Paris Cité, Institut des Energies de Demain, Paris, France; Ecole Normale Supérieure de Kouba, Laboratoire de Biologie de Systèmes Microbiens, Alger, Algeria; Institut National de la Recherche Agronomique d'Algérie, Centre de Recherche polyvalent Mehdi Boualem, Alger, Algeria
| | - Daniel Tran
- Université Paris Diderot, Sorbonne Paris Cité, Institut des Energies de Demain, Paris, France
| | - Delphine Arbelet-Bonnin
- Université Paris Diderot, Sorbonne Paris Cité, Institut des Energies de Demain, Paris, France
| | - Joël Briand
- Université Paris Diderot, Sorbonne Paris Cité, Institut des Energies de Demain, Paris, France
| | - Florence Mathieu
- Université de Toulouse, Laboratoire de Génie Chimique UMR 5503 (CNRS/INPT/UPS), ENSAT/INP de Toulouse, Castanet-Tolosan Cedex, France
| | - Ahmed Lebrihi
- Université de Toulouse, Laboratoire de Génie Chimique UMR 5503 (CNRS/INPT/UPS), ENSAT/INP de Toulouse, Castanet-Tolosan Cedex, France; Université Moulay Ismail, Marjane 2, BP 298, Meknès, Maroc
| | - Rafik Errakhi
- Université Moulay Ismail, Marjane 2, BP 298, Meknès, Maroc
| | - Nasserdine Sabaou
- Ecole Normale Supérieure de Kouba, Laboratoire de Biologie de Systèmes Microbiens, Alger, Algeria
| | - François Bouteau
- Université Paris Diderot, Sorbonne Paris Cité, Institut des Energies de Demain, Paris, France.
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18
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Takaichi H, Comparini D, Iwase J, Bouteau F, Mancuso S, Kawano T. Mitigation of copper toxicity by DNA oligomers in green paramecia. Plant Signal Behav 2015; 10:e1010919. [PMID: 26418558 PMCID: PMC4883909 DOI: 10.1080/15592324.2015.1010919] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2014] [Revised: 12/28/2014] [Accepted: 01/05/2015] [Indexed: 06/05/2023]
Abstract
Impact of transition metals which catalyze the generation of reactive oxygen species (ROS), on activation of cell death signaling in plant cells have been documented to date. Similarly in green paramecia (Paramecium bursaria), an aquatic protozoan species harboring symbiotic green algae in the cytoplasm, toxicities of various metallic ions have been documented. We have recently examined the effects of double-stranded GC-rich DNA fragments with copper-binding nature and ROS removal catalytic activity as novel plant cell-protecting agents, using the suspension-cultured tobacco cells. Here, we show that above DNA oligomers protect the cells of green paramecia from copper-induced cell death, suggesting that the phenomenon firstly observed in tobacco cells is not limited only within higher plants but it could be universally observable in wider range of organisms.
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Affiliation(s)
- Hiroshi Takaichi
- Laboratory of Chemical Biology and Bioengineering; Faculty and Graduate School of Environmental Engineering; The University of Kitakyushu; Kitakyushu, Japan
| | - Diego Comparini
- Laboratory of Chemical Biology and Bioengineering; Faculty and Graduate School of Environmental Engineering; The University of Kitakyushu; Kitakyushu, Japan
- University of Florence; LINV Kitakyushu Research Center (LINV@Kitakyushu); Kitakyushu, Japan
| | - Junichiro Iwase
- University of Florence; LINV Kitakyushu Research Center (LINV@Kitakyushu); Kitakyushu, Japan
- Collaboration center; Kyushu Institute of Technology; Kitakyushu, Japan
| | - François Bouteau
- University of Florence; LINV Kitakyushu Research Center (LINV@Kitakyushu); Kitakyushu, Japan
- Université Paris Diderot; Sorbonne Paris Cité; Institut des Energies de Demain (FRE 3597); Paris, France
- LINV-DiSPAA; Department of Agri-Food and Environmental Science; University of Florence; Sesto Fiorentino (FI), Italy
| | - Stefano Mancuso
- University of Florence; LINV Kitakyushu Research Center (LINV@Kitakyushu); Kitakyushu, Japan
- LINV-DiSPAA; Department of Agri-Food and Environmental Science; University of Florence; Sesto Fiorentino (FI), Italy
- Université Paris Diderot; Sorbonne Paris Cité; Paris 7 Interdisciplinary Energy Research Institute (PIERI); Paris, France
| | - Tomonori Kawano
- Laboratory of Chemical Biology and Bioengineering; Faculty and Graduate School of Environmental Engineering; The University of Kitakyushu; Kitakyushu, Japan
- University of Florence; LINV Kitakyushu Research Center (LINV@Kitakyushu); Kitakyushu, Japan
- Université Paris Diderot; Sorbonne Paris Cité; Paris 7 Interdisciplinary Energy Research Institute (PIERI); Paris, France
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19
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Bouteau F, Bassaglia Y, Monetti E, Tran D, Navet S, Mancuso S, El-Maarouf-Bouteau H, Bonnaud-Ponticelli L. Could FaRP-Like Peptides Participate in Regulation of Hyperosmotic Stress Responses in Plants? Front Endocrinol (Lausanne) 2014; 5:132. [PMID: 25177313 PMCID: PMC4132272 DOI: 10.3389/fendo.2014.00132] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/24/2014] [Accepted: 07/28/2014] [Indexed: 11/19/2022] Open
Abstract
The ability to respond to hyperosmotic stress is one of the numerous conserved cellular processes that most of the organisms have to face during their life. In metazoans, some peptides belonging to the FMRFamide-like peptide (FLP) family were shown to participate in osmoregulation via regulation of ion channels; this is, a well-known response to hyperosmotic stress in plants. Thus, we explored whether FLPs exist and regulate osmotic stress in plants. First, we demonstrated the response of Arabidopsis thaliana cultured cells to a metazoan FLP (FLRF). We found that A. thaliana express genes that display typical FLP repeated sequences, which end in RF and are surrounded by K or R, which is typical of cleavage sites and suggests bioactivity; however, the terminal G, allowing an amidation process in metazoan, seems to be replaced by W. Using synthetic peptides, we showed that amidation appears unnecessary to bioactivity in A. thaliana, and we provide evidence that these putative FLPs could be involved in physiological processes related to hyperosmotic stress responses in plants, urging further studies on this topic.
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Affiliation(s)
- François Bouteau
- Sorbonne Paris Cité, Institut des Energies de Demain, Université Paris Diderot, Paris, France
- LINV-DiSPAA, Department of Agri-Food and Environmental Science, University of Florence, Sesto Fiorentino, Italy
| | - Yann Bassaglia
- Muséum National d’Histoire Naturelle, DMPA, Sorbonne Universités, UMR BOREA MNHN-CNRS 7208-IRD 207-UPMC-UCBN, Paris, France
- Faculté des Sciences and Technologies, Université Paris Est Créteil-Val de Marne (UPEC), Créteil, France
| | - Emanuela Monetti
- Sorbonne Paris Cité, Institut des Energies de Demain, Université Paris Diderot, Paris, France
- LINV-DiSPAA, Department of Agri-Food and Environmental Science, University of Florence, Sesto Fiorentino, Italy
| | - Daniel Tran
- Sorbonne Paris Cité, Institut des Energies de Demain, Université Paris Diderot, Paris, France
| | - Sandra Navet
- Sorbonne Paris Cité, Institut des Energies de Demain, Université Paris Diderot, Paris, France
| | - Stefano Mancuso
- LINV-DiSPAA, Department of Agri-Food and Environmental Science, University of Florence, Sesto Fiorentino, Italy
- Sorbonne Paris Cité, Paris Interdisciplinary Energy Research Institute (PIERI), Université Paris Diderot, Paris, France
| | | | - Laure Bonnaud-Ponticelli
- Muséum National d’Histoire Naturelle, DMPA, Sorbonne Universités, UMR BOREA MNHN-CNRS 7208-IRD 207-UPMC-UCBN, Paris, France
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Jammes F, Leonhardt N, Tran D, Bousserouel H, Véry AA, Renou JP, Vavasseur A, Kwak JM, Sentenac H, Bouteau F, Leung J. Acetylated 1,3-diaminopropane antagonizes abscisic acid-mediated stomatal closing in Arabidopsis. Plant J 2014; 79:322-33. [PMID: 24891222 DOI: 10.1111/tpj.12564] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2014] [Revised: 05/06/2014] [Accepted: 05/13/2014] [Indexed: 05/08/2023]
Abstract
Faced with declining soil-water potential, plants synthesize abscisic acid (ABA), which then triggers stomatal closure to conserve tissue moisture. Closed stomates, however, also create several physiological dilemmas. Among these, the large CO2 influx required for net photosynthesis will be disrupted. Depleting CO2 in the plant will in turn bias stomatal opening by suppressing ABA sensitivity, which then aggravates transpiration further. We have investigated the molecular basis of how C3 plants resolve this H2 O-CO2 conflicting priority created by stomatal closure. Here, we have identified in Arabidopsis thaliana an early drought-induced spermidine spermine-N(1) -acetyltransferase homolog, which can slow ABA-mediated stomatal closure. Evidence from genetic, biochemical and physiological analyses has revealed that this protein does so by acetylating the metabolite 1,3-diaminopropane (DAP), thereby turning on the latter's intrinsic activity. Acetylated DAP triggers plasma membrane electrical and ion transport properties in an opposite way to those by ABA. Thus in adapting to low soil-water availability, acetyl-DAP could refrain stomates from complete closure to sustain CO2 diffusion to photosynthetic tissues.
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Affiliation(s)
- Fabien Jammes
- Institut des Sciences du Végétal, Centre National de la Recherche Scientifique, Unité Propre de Recherche 2355, Saclay Plant Sciences, Avenue de la Terrasse Bâtiment 23, 91198, Gif-sur-Yvette Cedex, France; Department of Biology, Pomona College, Claremont, CA, 91711, USA
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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. J Exp Bot 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] [What about the content of this article? (0)] [Affiliation(s)] [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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Iwase J, Furukawa H, Hiramatsu T, Bouteau F, Mancuso S, Tanaka K, Okazaki T, Kawano T. Protection of tobacco cells from oxidative copper toxicity by catalytically active metal-binding DNA oligomers. J Exp Bot 2014; 65:1391-402. [PMID: 24659609 DOI: 10.1093/jxb/eru028] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/15/2023]
Abstract
The impact of copper ions on the oxidative and calcium signal transductions, leading to cell death in plant cells, have been documented. Copper induces a series of biological and chemical reactions in plant cells including the oxidative burst reflecting the production of reactive oxygen species and the stimulation of calcium channel opening allowing a transient increase in cytosolic calcium concentrations. These early events, completed within a few minutes after the contact with copper, are known to trigger the development of cell death. The effects of DNA fragments with copper-binding motifs as novel plant cell-protecting agents were assessed using cell suspension cultures of transgenic tobacco (Nicotiana tabacum L., cell line BY-2) expressing the aequorin gene. The addition of GC-rich double-stranded DNA fragments, prior to the addition of copper ions, effectively blocked both the copper-induced calcium influx and cell death. In addition, the DNA-Cu complex examined was shown to possess superoxide-scavenging catalytic activity, suggesting that DNA-mediated protection of the cells from copper toxicity is due to the removal of superoxide. Lastly, a possible mechanism of DNA-Cu interaction and future applications of these DNA fragments in the protection of plant roots from metal toxicity or in aid of phyto-remediation processes are discussed.
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Affiliation(s)
- Junichiro Iwase
- Graduate School of Environmental Engineering, The University of Kitakyushu, Kitakyushu, Japan
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Bonnaud L, Franko D, Vouillot L, Bouteau F. A study of the electrical polarization of Sepia officinalis yolk envelope, a role for Na(+)/K(+)-ATPases in osmoregulation? Commun Integr Biol 2013; 6:e26035. [PMID: 24505501 PMCID: PMC3913672 DOI: 10.4161/cib.26035] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2013] [Revised: 08/02/2013] [Accepted: 08/03/2013] [Indexed: 01/24/2023] Open
Abstract
The cuttlefish Sepia officinalis mate and spawn in the intertidal zone where eggs are exposed during low tide to osmotic stress. Embryonic outer yolk sac is a putative site for osmoregulation of young S. officinalis embryos. By using electrophysiological recordings and immunostaining we showed, (i) that the chorion is only a passive barrier for ions, since large molecules could not pass through it, (ii) that a complex transepithelial potential difference occurs through the yolk epithelium, (iii) that ionocyte-like cells and Na+/K+-ATPases were localized in the yolk epithelium and (iv) that ouabain sensitive Na+/K+-ATPase activity could participate to this yolk polarization. These data warrant further study on the role of ion transport systems of this epithelium in the osmoregulation processes in S. officinalis embryos.
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Affiliation(s)
- Laure Bonnaud
- Muséum National d'Histoire Naturelle DMPA; UMR BOREA MNHN-CNRS 7208-IRD 207-UPMC; Paris, France ; Univ. Paris Diderot; Sorbonne Paris Cité; Paris, France
| | - Delphine Franko
- Muséum National d'Histoire Naturelle DMPA; UMR BOREA MNHN-CNRS 7208-IRD 207-UPMC; Paris, France ; Univ. Paris Diderot; Sorbonne Paris Cité; Paris, France
| | - Léna Vouillot
- Muséum National d'Histoire Naturelle DMPA; UMR BOREA MNHN-CNRS 7208-IRD 207-UPMC; Paris, France
| | - François Bouteau
- Univ. Paris Diderot; Sorbonne Paris Cité, Institut des Energies de Demain (FRE 3597); Paris, France
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Tran D, Rossi M, Biligui B, Kawano T, Mancuso S, Bouteau F. Ozone-induced caspase-like activities are dependent on early ion channel regulations and ROS generation in Arabidopsis thaliana cells. Plant Signal Behav 2013; 8:25170. [PMID: 23733075 PMCID: PMC3999082 DOI: 10.4161/psb.25170] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
Using A. thaliana cultured cells; we recently reported new insights regarding the effect of acute O₃ exposure. This consist in an oxidative dependent controlled cell death process involving cell shrinkage due to an early activation of anion channel (1) and a delayed activation of K(+) outward currents, but also to early events like Ca (2+) influx or singlet oxygen production possibly linked to mitochondrial dysfunction. Here we provide evidence that most of these early events act downstream of caspase-like activities as recently demonstrated for K(+) channel activation.
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Affiliation(s)
- Daniel Tran
- Univ Paris Diderot, Sorbonne Paris Cité; Institut des Energies de Demain (IED, FRE 3597); Paris, France
- Institut de Biologie des Plantes; Orsay, France
| | - Marika Rossi
- LINV-Department of Plant Soil & Environmental Science; University of Florence; Florence, Italy
| | - Bernadette Biligui
- Univ Paris Diderot, Sorbonne Paris Cité; Institut des Energies de Demain (IED, FRE 3597); Paris, France
- Institut de Biologie des Plantes; Orsay, France
| | - Tomonori Kawano
- LINV-Department of Plant Soil & Environmental Science; University of Florence; Florence, Italy
- Graduate School of Environmental Engineering; University of Kitakyushu 1-1; Kitakyushu, Japan
- University of Florence LINV Kitakyushu Research Center; Kitakyushu, Japan
- Univ Paris Diderot, Sorbonne Paris Cité; Paris Interdisciplinary Energy Research Institute (PIERI); Paris, France
| | - Stefano Mancuso
- LINV-Department of Plant Soil & Environmental Science; University of Florence; Florence, Italy
- University of Florence LINV Kitakyushu Research Center; Kitakyushu, Japan
- Univ Paris Diderot, Sorbonne Paris Cité; Paris Interdisciplinary Energy Research Institute (PIERI); Paris, France
| | - François Bouteau
- Univ Paris Diderot, Sorbonne Paris Cité; Institut des Energies de Demain (IED, FRE 3597); Paris, France
- Institut de Biologie des Plantes; Orsay, France
- LINV-Department of Plant Soil & Environmental Science; University of Florence; Florence, Italy
- University of Florence LINV Kitakyushu Research Center; Kitakyushu, Japan
- Correspondence to: François Bouteau,
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Kettani-Halabi M, Terta M, Amdan M, El Fahime EM, Bouteau F, Ennaji MM. An easy, simple inexpensive test for the specific detection of Pectobacterium carotovorum subsp. carotovorum based on sequence analysis of the pmrA gene. BMC Microbiol 2013; 13:176. [PMID: 23890050 PMCID: PMC3765535 DOI: 10.1186/1471-2180-13-176] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2012] [Accepted: 07/23/2013] [Indexed: 11/10/2022] Open
Abstract
Background The species Pectobacterium carotovorum includes a diverse subspecies of bacteria that cause disease on a wide variety of plants. In Morocco, approximately 95% of the P. carotovorum isolates from potato plants with tuber soft rot are P. carotovorum subsp. carotovorum. However, identification of this pathogen is not always related to visual disease symptoms. This is especially true when different pathogen cause similar diseases on potato, citing as an example, P. carotovorum, P. atrosepticum and P. wasabiae. Numerous conventional methods were used to characterize Pectobacterium spp., including biochemical assays, specific PCR-based tests, and construction of phylogenetic trees by using gene sequences. In this study, an alternative method is presented using a gene linked to pathogenicity, in order to allow accuracy at subspecies level. The pmrA gene (response regulator) has been used for identification and analysis of the relationships among twenty nine Pectobacterium carotovorum subsp. carotovorum and other Pectobacterium subspecies. Results Phylogenetic analyses of pmrA sequences compared to ERIC-PCR and 16S rDNA sequencing, demonstrated that there is considerable genetic diversity in P. carotovorum subsp. carotovorum strains, which can be divided into two distinct groups within the same clade. Conclusions pmrA sequence analysis is likely to be a reliable tool to identify the subspecies Pectobacterium carotovorum subsp. carotovorum and estimate their genetic diversity.
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Affiliation(s)
- Mohamed Kettani-Halabi
- Laboratoire de Virologie, Microbiologie et Qualité /Eco Toxicologie et Biodiversité, Université Hassan II Mohammedia-Casablanca, Faculté des Sciences et Techniques-Mohammedia-FSTM, BP 146, Mohammedia 20650, Maroc.
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Kawano T, Bouteau F. Crosstalk between intracellular and extracellular salicylic acid signaling events leading to long-distance spread of signals. Plant Cell Rep 2013; 32:1125-38. [PMID: 23689257 DOI: 10.1007/s00299-013-1451-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/01/2013] [Revised: 04/22/2013] [Accepted: 04/23/2013] [Indexed: 05/08/2023]
Abstract
It is well recognized that salicylic acid (SA) acts as a natural signaling molecule involved in both local and systemic plant defense responses upon attacks by pathogens. Recently, cellular SA receptors and a number of SA-related phloem-mobile signals were identified. Here, we compare the old and up-to-date concepts of plant defense signaling events involving SA. Finally, the crosstalk between intracellular and extracellular SA signaling events leading to long-distance spread of signals was outlined by focusing on the modes of both the short- and long-distance signaling events involving the actions of SA. For the above purpose, two distinct conceptual models for local SA perception and signaling mechanisms in the intracellular and extracellular paths (referred to as models i and ii, respectively) were proposed. In addition to two local SA perception models, we propose that the long-distance SA action could be attributed to three different modes, namely, (iii) local increase in SA followed by transport of SA and SA intermediates, (iv) systemic propagation of SA-derived signals with both chemical and electrical natures without direct movement of SA, and (v) integrated crosstalk allowing alternately repeated secondary signal propagation and biosynthesis of SA and/or conversion of inert SA intermediates to free SA finally contributing to the systemic spread of SA-derived signals. We review here that the long-distance SA signaling events (models iii-v), inevitably involve the mechanisms described in the local signaling models (models i and ii) as the key pieces of the crosstalk.
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Affiliation(s)
- Tomonori Kawano
- Faculty and Graduate School of Environmental Engineering, The University of Kitakyushu, Kitakyushu, Japan.
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Tran D, El-Maarouf-Bouteau H, Rossi M, Biligui B, Briand J, Kawano T, Mancuso S, Bouteau F. Post-transcriptional regulation of GORK channels by superoxide anion contributes to increases in outward-rectifying K⁺ currents. New Phytol 2013; 198:1039-1048. [PMID: 23517047 DOI: 10.1111/nph.12226] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2012] [Accepted: 02/04/2013] [Indexed: 05/23/2023]
Abstract
· Ion fluxes are ubiquitous processes in the plant and animal kingdoms, controlled by fine-tuned regulations of ion channel activity. Yet the mechanism that cells employ to achieve the modification of ion homeostasis at the molecular level still remains unclear. This is especially true when it comes to the mechanisms that lead to cell death. · In this study, Arabidopsis thaliana cells were exposed to ozone (O₃). Ion flux variations were analyzed by electrophysiological measurements and their transcriptional regulation by RT-PCR. Reactive oxygen species (ROS) generation was quantified by luminescence techniques and caspase-like activities were investigated by laser confocal microscopy. · We highlighted the delayed activation of K(+) outward-rectifying currents after an O₃ -induced oxidative stress leading to programmed cell death (PCD). Caspase-like activities are detected under O₃ exposure and could be decreased by K(+) channel blocker. Molecular experiments revealed that the sustained activation of K(+) outward current could be the result of an unexpected O₂ ·⁻ post-transcriptional regulation of the guard cell outward-rectifying K(+) (GORK) channels. · This consists of a likely new mode of regulating the processing of the GORK mRNA, in a ROS-dependent manner, to allow sustained K(+) effluxes during PCD. These data provide new mechanistic insights into K(+) channel regulation during an oxidative stress response.
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Affiliation(s)
- Daniel Tran
- Univ Paris Diderot, Sorbonne Paris Cité, Institut des Energies de Demain (IED), Paris, France
- LEM, Institut de Biologie des Plantes, Bât 630, 91405, Orsay, France
| | | | - Marika Rossi
- LINV - Department of Plant Soil & Environmental Science, University of Florence, Florence, Italy
| | - Bernadette Biligui
- Univ Paris Diderot, Sorbonne Paris Cité, Institut des Energies de Demain (IED), Paris, France
- LEM, Institut de Biologie des Plantes, Bât 630, 91405, Orsay, France
| | - Joël Briand
- Univ Paris Diderot, Sorbonne Paris Cité, Institut des Energies de Demain (IED), Paris, France
- LEM, Institut de Biologie des Plantes, Bât 630, 91405, Orsay, France
| | - Tomonori Kawano
- LINV - Department of Plant Soil & Environmental Science, University of Florence, Florence, Italy
- Graduate School of Environmental Engineering, University of Kitakyushu 1-1, Hibikino, Wakamatsu-ku, Kitakyushu, 808-0135, Japan
- Univ Paris Diderot, Sorbonne Paris Cité, Paris Interdisciplinary Energy Research Institute (PIERI), Paris, France
| | - Stefano Mancuso
- LINV - Department of Plant Soil & Environmental Science, University of Florence, Florence, Italy
- Univ Paris Diderot, Sorbonne Paris Cité, Paris Interdisciplinary Energy Research Institute (PIERI), Paris, France
| | - François Bouteau
- Univ Paris Diderot, Sorbonne Paris Cité, Institut des Energies de Demain (IED), Paris, France
- LEM, Institut de Biologie des Plantes, Bât 630, 91405, Orsay, France
- LINV - Department of Plant Soil & Environmental Science, University of Florence, Florence, Italy
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Tran D, Kadono T, Molas ML, Errakhi R, Briand J, Biligui B, Kawano T, Bouteau F. A role for oxalic acid generation in ozone-induced signallization in Arabidopis cells. Plant Cell Environ 2013; 36:569-78. [PMID: 22897345 DOI: 10.1111/j.1365-3040.2012.02596.x] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Ozone (O(3) ) is an air pollutant with an impact increasingly important in our industrialized world. It affects human health and productivity in various crops. We provide the evidences that treatment of Arabidopsis thaliana with O(3) results in ascorbate-derived oxalic acid production. Using cultured cells of A. thaliana as a model, here we further showed that oxalic acid induces activation of anion channels that trigger depolarization of the cell, increase in cytosolic Ca(2+) concentration, generation of reactive oxygen species and cell death. We confirmed that O(3) reacts with ascorbate in the culture, thus resulting in production of oxalic acid and this could be part of the O(3) -induced signalling pathways that trigger programmed cell death.
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Affiliation(s)
- Daniel Tran
- Université Paris Diderot, Sorbonne Paris Cité, Institut des Energies de Demain (IED), Paris, France.
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Kawano T, Bouteau F, Mancuso S. Finding and defining the natural automata acting in living plants: Toward the synthetic biology for robotics and informatics in vivo. Commun Integr Biol 2012; 5:519-26. [PMID: 23336016 PMCID: PMC3541313 DOI: 10.4161/cib.21805] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
The automata theory is the mathematical study of abstract machines commonly studied in the theoretical computer science and highly interdisciplinary fields that combine the natural sciences and the theoretical computer science. In the present review article, as the chemical and biological basis for natural computing or informatics, some plants, plant cells or plant-derived molecules involved in signaling are listed and classified as natural sequential machines (namely, the Mealy machines or Moore machines) or finite state automata. By defining the actions (states and transition functions) of these natural automata, the similarity between the computational data processing and plant decision-making processes became obvious. Finally, their putative roles as the parts for plant-based computing or robotic systems are discussed.
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Affiliation(s)
- Tomonori Kawano
- Faculty and Graduate School of Environmental Engineering; The University of Kitakyushu; Kitakyushu, Japan ; LINV @ Kitakyushu Research Center; Kitakyushu, Japan ; LINV @ Firenze; Department of Plant Soil and Environmental Science; University of Florence; Sesto Fiorentino, Italy ; Paris Interdisciplinary Energy Research Institute (PIERI); Paris, France
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Baz M, Tran D, Kettani-Halabi M, Samri SE, Jamjari A, Biligui B, Meimoun P, El-Maarouf-Bouteau H, Garmier M, Saindrenan P, Ennaji MM, Barakate M, Bouteau F. Calcium- and ROS-mediated defence responses in BY2 tobacco cells by nonpathogenic Streptomyces sp. J Appl Microbiol 2012; 112:782-92. [PMID: 22292528 DOI: 10.1111/j.1365-2672.2012.05248.x] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
AIMS The early molecular events underlying the elicitation of plant defence reactions by Gram-positive bacteria are relatively unknown. In plants, calcium and reactive oxygen species are commonly involved as cellular messengers of a wide range of biotic stimuli from pathogenic to symbiotic bacteria. In the present work, we checked whether nonpathogenic Streptomyces sp. strains could induce early signalling events leading to defence responses in BY2 tobacco cell suspensions. METHODS AND RESULTS We have demonstrated that nonpathogenic Streptomyces sp. OE7 strain induced a cytosolic Ca(2+) increase and a biphasic oxidative burst in the upstream signalling events, leading to defence responses in BY2 tobacco cell suspensions. Streptomyces sp. OE7 also elicited delayed intracellular free scopoletin production and programmed cell death. In agreement with scopoletin production, OE7 induced accumulation of PAL transcripts and increased accumulation of transcripts of EREBP1 and AOX genes that are known to be regulated by the jasmonate/ethylene pathway. Transcript levels of PR1b and NIMIN2α, both salicylic acid pathway-linked genes, were not modified. Moreover, Streptomyces sp. OE7 culture filtrates could reduce Pectobacterium carotovorum- and Pectobacterium atrosepticum-induced death of BY2 cells and soft rot on potato slices. CONCLUSIONS New insights are thus provided into the interaction mechanisms between Streptomyces sp. and plants; Streptomyces sp. could be sensed by plant cells, and through cytosolic Ca(2+) changes and the generation of reactive oxygen species, defence responses were induced. SIGNIFICANCE AND IMPACT OF THE STUDY These induced defence responses appeared to participate in attenuating Pectobacterium-induced diseases in plants. Thus, Streptomyces sp. OE7 could be a biocontrol agent against Pectobacterium sp.
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Affiliation(s)
- M Baz
- LEM, Institut de Biologie des Plantes, Université Paris Diderot, Sorbonne Paris Cité, Orsay, France
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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 Physiol Biochem 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] [What about the content of this article? (0)] [Affiliation(s)] [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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Terta M, Azelmat S, M’hand RA, Achbani EH, Barakate M, Bouteau F, Ennaji MM. Molecular typing of Pectobacterium carotovorum isolated from potato tuber soft rot in Morocco. ANN MICROBIOL 2011. [DOI: 10.1007/s13213-011-0391-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022] Open
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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] [What about the content of this article? (0)] [Affiliation(s)] [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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Terta M, El Karkouri A, Ait M'hand R, Achbani E, Barakate M, Amdan M, Annajar B, El Hassouni M, Val F, Bouteau F, Ennaji MM. Occurrence OF Pectobacterium carotovorum strains isolated from potato soft rot in Morocco. Cell Mol Biol (Noisy-le-grand) 2010; 56 Suppl:OL1324-OL1333. [PMID: 20937219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2009] [Accepted: 06/15/2010] [Indexed: 05/30/2023]
Abstract
Pectobacterium carotovorum subsp. carotovorum, Pectobacterium astrosepticum and Pectobacterium chrysanthemi are the soft rot tuber of potatoes pathogens (Solanum tuberosum). The aim of this study was to determine the occurrence of these pathogens in Moroccan regions producing potatoes. Fifty three isolates of Pectobacterium were isolated on medium Crystal Violet Pectate. The comparison of their bacteriological characteristics with standard strains allowed us to conclude that all the isolates belonged to the Pectobacterium. With regard to phenotype characteristics, the variability that was found included 32 typical Pectobacetrium carotovorum subsp. carotovorum, 3 typical Pectobacterium atrosepticum, and 18 atypical Pectobacterium carotovorum subsp. carotovorum. Three strains of the atypical group; showed that the biochemical properties overlap among the Pectobacterium carotovorum and Pectobacterium chrysanthemi. These data were needed molecular characterization. However, the PCR amplification of total genomic DNA of 53 isolates with the two primers Y1/Y2 and P143/P145 yielded an amplified fragment of the expected size (434 bp) only with Y1/Y2, indicated that all the isolates collected and tested belonged to the Pectobacterium carotovorum species. On the basis the pathogenicity tests, these strains revealed that they were pectinolytic, and showed differences in aggressiveness against potato and leaves of tobacco.
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Affiliation(s)
- M Terta
- Laboratoire de Virologie, Hygiène et Microbiologie - Faculté des Sciences et Techniques Mohammedia- Université Hassan II Mohammedia- Casablanca- Maroc
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35
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Terta M, Kettani-Halabi M, Ibenyassine K, Tran D, Meimoun P, M'hand RA, El-Maarouf-Bouteau H, Val F, Ennaji MM, Bouteau F. Arabidopsis thaliana cells: a model to evaluate the virulence of Pectobacterium carotovorum. Mol Plant Microbe Interact 2010; 23:139-43. [PMID: 20064057 DOI: 10.1094/mpmi-23-2-0139] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/09/2023]
Abstract
Pectobacterium carotovorum are economically important plant pathogens that cause plant soft rot. These enterobacteria display high diversity world-wide. Their pathogenesis depends on production and secretion of virulence factors such as plant cell wall-degrading enzymes, type III effectors, a necrosis-inducing protein, and a secreted virulence factor from Xanthomonas spp., which are tightly regulated by quorum sensing. Pectobacterium carotovorum also present pathogen-associated molecular patterns that could participate in their pathogenicity. In this study, by using suspension cells of Arabidopsis thaliana, we correlate plant cell death and pectate lyase activities during coinfection with different P. carotovorum strains. When comparing soft rot symptoms induced on potato slices with pectate lyase activities and plant cell death observed during coculture with Arabidopsis thaliana cells, the order of strain virulence was found to be the same. Therefore, Arabidopsis thaliana cells could be an alternative tool to evaluate rapidly and efficiently the virulence of different P. carotovorum strains.
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Affiliation(s)
- Meriam Terta
- LEM-EA3514-Universite Paris Diderot-Paris 7, 2 place Jussieu, 75251 Paris cedex 05, France
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36
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Meimoun P, Vidal G, Bohrer AS, Lehner A, Tran D, Briand J, Bouteau F, Rona JP. Intracellular Ca2+ stores could participate to abscisic acid-induced depolarization and stomatal closure in Arabidopsis thaliana. Plant Signal Behav 2009; 4:830-5. [PMID: 19847112 PMCID: PMC2802785 DOI: 10.4161/psb.4.9.9396] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2009] [Accepted: 06/30/2009] [Indexed: 05/18/2023]
Abstract
In Arabidopsis thaliana cell suspension, abscisic acid (ABA) induces changes in cytosolic calcium concentration ([Ca(2+)](cyt)) which are the trigger for ABA-induced plasma membrane anion current activation, H(+)-ATPase inhibition, and subsequent plasma membrane depolarization. In the present study, we took advantage of this model to analyze the implication of intracellular Ca(2+) stores in ABA signal transduction through electrophysiological current measurements, cytosolic Ca(2+) activity measurements with the apoaequorin Ca(2+) reporter protein and external pH measurement. Intracellular Ca(2+) stores involvement was determined by using specific inhibitors of CICR channels: the cADP-ribose/ryanodine receptor (Br-cADPR and dantrolene) and of the inositol trisphosphate receptor (U73122). In addition experiments were performed on epidermal strips of A. thaliana leaves to monitor stomatal closure in response to ABA in presence of the same pharmacology. Our data provide evidence that ryanodine receptor and inositol trisphosphate receptor could be involved in ABA-induced (1) Ca(2+) release in the cytosol, (2) anion channel activation and H(+)-ATPase inhibition leading to plasma membrane depolarization and (3) stomatal closure. Intracellular Ca(2+) release could thus contribute to the control of early events in the ABA signal transduction pathway in A. thaliana.
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Affiliation(s)
- Patrice Meimoun
- LEM (EA 3514), Université Paris Diderot-Paris7, Paris, France
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37
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Kagenishi T, Yokawa K, Kuse M, Isobe M, Bouteau F, Kawano T. Prevention of copper-induced calcium influx and cell death by prion-derived peptide in suspension-cultured tobacco cells. Z NATURFORSCH C 2009; 64:411-7. [PMID: 19678548 DOI: 10.1515/znc-2009-5-619] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Impact of copper on the oxidative and calcium signal transductions leading to cell death in plant cells and the effects of the copper-binding peptide derived from the human prion protein (PrP) as a novel plant-protecting agent were assessed using a cell suspension culture of transgenic tobacco (Nicotiana tabacum L., cell line BY-2) expressing the aequorin gene. Copper induces a series of biological and chemical reactions in plant cells including the oxidative burst reflecting the production of reactive oxygen species (ROS), such as hydroxyl radicals, and stimulation of calcium channel opening, allowing a transient increase in cytosolic calcium concentrations. The former was proven by the action of specific ROS scavengers blocking the calcium responses and the latter was proven by an increase in aequorin luminescence and its inhibition by specific channel blockers. Following these early events completed within 10 min, the development of copper-induced cell death was observed during additional 1 h in a dose-dependent manner. Addition of a synthetic peptide (KTNMKHMA) corresponding to the neurotoxic sequence in human PrP, prior to the addition of copper, effectively blocked both calcium influx and cell death induced by copper. Lastly, a possible mechanism of peptide action and future applications of this peptide in the protection of plant roots from metal toxicity or in favour of phytoremediation processes are discussed.
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Affiliation(s)
- Tomoko Kagenishi
- Faculty and Graduate School of Environmental Engineering, The University of Kitakyushu, Kitakyushu 808-0135, Japan
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38
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Meimoun P, Tran D, Baz M, Errakhi R, Dauphin A, Lehner A, Briand J, Biligui B, Madiona K, Beaulieu C, Bouteau F. Two different signaling pathways for thaxtomin A-induced cell death in Arabidopsis and tobacco BY2. Plant Signal Behav 2009; 4:142-4. [PMID: 19649193 PMCID: PMC2637503 DOI: 10.4161/psb.4.2.7719] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2008] [Accepted: 12/23/2008] [Indexed: 05/24/2023]
Abstract
Thaxtomin A (TXT) is a phytotoxin produced by all plant-pathogenic Streptomyces scabies involved in the potato scab disease. Their pathogenicity was previously correlated with the production of TXT. Calcium is known to be an essential second messenger associated with pathogen-induced plant responses and cell death. We have effectively shown that in Arabidopsis thaliana cell suspensions, TXT induces an early short lived Ca(2+) influx which is involved in the cell death process and other TXT-induced responses. We extended our study to Nicotiana tabacum BY2 by monitoring cell death and changes in cytosolic calcium concentration on cells expressing the apoaequorine Ca(2+) reporter protein to compare the responses to TXT of the two model plants, tobacco and A. thaliana. Our investigations show that cell death in BY2 appeared to be dose dependent with a lag of sensitivity comparing to A. thaliana. Moreover, pathway leading to cell death in BY2 does not involve calcium signaling. Our results suggest that different pathways are engaged in A. thaliana and N. tabacum BY2 to achieve the same response to TXT.
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Affiliation(s)
- Patrice Meimoun
- LEM (EA 3514), Université Paris Diderot-Paris7, Paris, France
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39
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Lehner A, Meimoun P, Errakhi R, Madiona K, Barakate M, Bouteau F. Toxic and signalling effects of oxalic acid: Oxalic acid-Natural born killer or natural born protector? Plant Signal Behav 2008; 3:746-8. [PMID: 19704845 PMCID: PMC2634576 DOI: 10.4161/psb.3.9.6634] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2008] [Accepted: 07/18/2008] [Indexed: 05/05/2023]
Abstract
Oxalic acid is thought to be a key factor of the early pathogenic stage in a wide range of necrotrophic fungi. We have recently published that oxalic acid induces Programmed Cell Death (PCD) in Arabidopsis thaliana cells. This cell death results from an early anionic efflux which is a prerequisite for the synthesis of ethylene and the PCD. Complementary experiments have been carried out by using seedlings of A. thaliana. The effects of millimolar concentrations of oxalic acid were analysed on A. thaliana seedlings. A treatment with a 3 mM oxalic acid solution does not alter the development of the plants but induces the transcription of defence related genes which are anion channel dependant. Moreover, our results suggest that a pre-treatment of the seedlings with oxalic acid is able to confer the resistance of A. thaliana against Sclerotium rolfsii. Regarding our results, we suggest that oxalic acid plays two distinct roles, depending on the concentration: a high concentration of oxalic acid induces a large PCD and then contribute to the progression of the fungi. However, at low concentration it is able to induce the establishment of a resistance of the plant against the fungi.
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Affiliation(s)
- Arnaud Lehner
- LEM; EA3514; Université Paris Diderot (Paris 7); Paris, France
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40
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Reboutier D, Bouteau F. Harpins and ion channels modulations: Many ways to die. Plant Signal Behav 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] [What about the content of this article? (0)] [Affiliation(s)] [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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Yoshioka H, Bouteau F, Kawano T. Discovery of oxidative burst in the field of plant immunity: Looking back at the early pioneering works and towards the future development. Plant Signal Behav 2008; 3:153-5. [PMID: 19513209 PMCID: PMC2634108 DOI: 10.4161/psb.3.3.5537] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2008] [Accepted: 01/08/2008] [Indexed: 05/20/2023]
Abstract
This article is introductory to the series of works presented in this special issue on the homeostasis and the signaling roles of reactive oxygen species (ROS) in plants. Upper half of this article briefly describes the history of the ROS study in the field of plant immunity research initiated by the observation that the attacks by pathogenic microorganisms possibly stimulate the burst of ROS production in the plant tissues. The topics covered in the series of works presented here include the plants' responses to abiotic oxidative stress (atmospheric ozone), regulation of seed germination, chemical interaction between parasitic and host plants and the draught tolerance, all controlled through homeostasis of ROS at biochemical and molecular biological levels. Lastly a discussion forum was proposed to further deepen our understanding of ROS behaviors in plants.
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Affiliation(s)
- Hirofumi Yoshioka
- Laboratory of Defense in Plant-Pathogen Interactions; Graduate School of Bioagricultural Sciences; Nagoya University; Chikusa, Nagoya, Japan
| | | | - Tomonori Kawano
- Graduate School of Environmental Engineering; The University of Kitakyushu; Kitakyushu, Fukuoka, Japan
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42
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Errakhi R, Meimoun P, Lehner A, Vidal G, Briand J, Corbineau F, Rona JP, Bouteau F. Anion channel activity is necessary to induce ethylene synthesis and programmed cell death in response to oxalic acid. J Exp Bot 2008; 59:3121-9. [PMID: 18612171 DOI: 10.1093/jxb/ern166] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Oxalic acid is thought to be a key factor of the early pathogenicity stage in a wide range of necrotrophic fungi. Studies were conducted to determine whether oxalate could induce programmed cell death (PCD) in Arabidopsis thaliana suspension cells and to detail the transduction of the signalling pathway induced by oxalate. Arabidopsis thaliana cells were treated with millimolar concentrations of oxalate. Cell death was quantified and ion flux variations were analysed from electrophysiological measurements. Involvement of the anion channel and ethylene in the signal transduction leading to PCD was determined by using specific inhibitors. Oxalic acid induced a PCD displaying cell shrinkage and fragmentation of DNA into internucleosomal fragments with a requirement for active gene expression and de novo protein synthesis, characteristic hallmarks of PCD. Other responses generally associated with plant cell death, such as anion effluxes leading to plasma membrane depolarization, mitochondrial depolarization, and ethylene synthesis, were also observed following addition of oxalate. The results show that oxalic acid activates an early anionic efflux which is a necessary prerequisite for the synthesis of ethylene and for the PCD in A. thaliana cells.
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Affiliation(s)
- Rafik Errakhi
- LEM (EA 3514), Université Paris Diderot, 2 place Jussieu, 75251 Paris cedex 05, France
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43
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Errakhi R, Dauphin A, Meimoun P, Lehner A, Reboutier D, Vatsa P, Briand J, Madiona K, Rona JP, Barakate M, Wendehenne D, Beaulieu C, Bouteau F. An early Ca2+ influx is a prerequisite to thaxtomin A-induced cell death in Arabidopsis thaliana cells. J Exp Bot 2008; 59:4259-70. [PMID: 19015217 DOI: 10.1093/jxb/ern267] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/09/2023]
Abstract
The pathogenicity of various Streptomyces scabies isolates involved in potato scab disease was correlated with the production of thaxtomin A. Since calcium is known as an essential second messenger associated with pathogen-induced plant responses and cell death, it was investigated whether thaxtomin A could induce a Ca2+ influx related to cell death and to other putative plant responses using Arabidopsis thaliana suspension cells, which is a convenient model to study plant-microbe interactions. A. thaliana cells were treated with micromolar concentrations of thaxtomin A. Cell death was quantified and ion flux variations were analysed from electrophysiological measurements with the apoaequorin Ca2+ reporter protein and by external pH measurement. Involvement of anion and calcium channels in signal transduction leading to programmed cell death was determined by using specific inhibitors. These data suggest that this toxin induces a rapid Ca2+ influx and cell death in A. thaliana cell suspensions. Moreover, these data provide strong evidence that the Ca2+ influx induced by thaxtomin A is necessary to achieve this cell death and is a prerequisite to early thaxtomin A-induced responses: anion current increase, alkalization of the external medium, and the expression of PAL1 coding for a key enzyme of the phenylpropanoid pathway.
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Affiliation(s)
- R Errakhi
- LEM (EA 3514), Université Paris Diderot-Paris7, 2, place Jussieu, F-75251 Paris cedex 05, France
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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] [What about the content of this article? (0)] [Affiliation(s)] [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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Gauthier A, Lamotte O, Reboutier D, Bouteau F, Pugin A, Wendehenne D. Cryptogein-induced anion effluxes: electrophysiological properties and analysis of the mechanisms through which they contribute to the elicitor-triggered cell death. Plant Signal Behav 2007; 2:86-95. [PMID: 19516973 PMCID: PMC2633904 DOI: 10.4161/psb.2.2.4015] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2007] [Accepted: 02/15/2007] [Indexed: 05/23/2023]
Abstract
Anion effluxes are amongst the earliest reactions of plant cells to elicitors of defence responses. However, their properties and their role in disease resistance remain almost unknown. We previously demonstrated that cryptogein, an elicitor of tobacco defence responses, induces a nitrate (NO(3) (-)) efflux. This efflux is an early prerequisite to the cryptogein-triggered hypersensitive response (HR). Here, we analyzed the electrophysiological properties of the elicitor-mediated NO(3) (-) efflux and clarified the mechanisms through which it contributes to cell death. Application of the discontinuous single electrode voltage-clamp technique in tobacco cells elicited with cryptogein enabled us to record the activation of slow-type deactivating anion channel currents. Cryptogein-induced plasma membrane depolarization and Ca(2+) influx, an essential component of elicitor signalling for HR cell death, were prevented by inhibiting the NO(3) (-) efflux. Similarly, pharmacological blocking of the anion efflux suppressed vacuolar collapse, a hallmark of cell death. The role of NO(3) (-) efflux in mediating proteases activation was further assessed. It is shown that cryptogein induced the activation of three proteases with apparent molecular masses of 95, 190 and 240 kDa. Their activation occurred independently on the anion efflux and, together with cell death, was strongly reduced by cycloheximide and the protease inhibitor PMSF. In contrast, the NO(3) (-) efflux was 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 the HR. Collectively, our data indicate that anion efflux is an early prerequisite to morphological and biochemical events participating to cell death.
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Affiliation(s)
- Adrien Gauthier
- Université de Bourgogne; Plante-Microbe-Environnement; Dijon, France
| | | | - David Reboutier
- Laboratoire d'Electrophysiologie des Membranes; Université Paris; Paris, France
| | - François Bouteau
- Laboratoire d'Electrophysiologie des Membranes; Université Paris; Paris, France
| | - Alain Pugin
- Université de Bourgogne; Plante-Microbe-Environnement; Dijon, France
| | - David Wendehenne
- Université de Bourgogne; Plante-Microbe-Environnement; Dijon, France
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Reboutier D, Frankart C, Briand J, Biligui B, Laroche S, Rona JP, Barny MA, Bouteau F. The HrpN(ea) harpin from Erwinia amylovora triggers differential responses on the nonhost Arabidopsis thaliana cells and on the host apple cells. Mol Plant Microbe Interact 2007; 20:94-100. [PMID: 17249426 DOI: 10.1094/mpmi-20-0094] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
Erwinia amylovora is a gram-negative necrogenic bacterium causing fire blight of the Maloideae subfamily of Rosaceae such as apple and pear. It provokes progressive necrosis in aerial parts of susceptible host plants (compatible interaction) and a hypersensitive reaction (HR) when infiltrated in nonhost plants (incompatible interaction). The HrpN(ea) harpin is a type three secretion system effector secreted by E. amylovora. This protein is involved in pathogenicity and HR-eliciting capacity of E. amylovora. In the present study, we showed that, in nonhost Arabidopsis thaliana cells, purified HrpN(ea) induces cell death and H2O2 production, two nonhost resistance responses, but failed to induce such responses in host MM106 apple cells. Moreover, HrpN(ea) induced an increase in anion current in host MM106 apple cells, at the opposite of the decrease of anion current previously shown to be necessary to induce cell death in nonhost A. thaliana cells. These results suggest that HrpN(ea) induced different signaling pathways, which could account for early induced compatible or incompatible interaction development.
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Affiliation(s)
- David Reboutier
- LEM, EA 3514, Université Paris 7, Case 7069, 2 place Jussieu, 75251 Paris 5, France
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47
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Bouizgarne B, El-Maarouf-Bouteau H, Madiona K, Biligui B, Monestiez M, Pennarun AM, Amiar Z, Rona JP, Ouhdouch Y, El Hadrami I, Bouteau F. A putative role for fusaric acid in biocontrol of the parasitic angiosperm Orobanche ramosa. Mol Plant Microbe Interact 2006; 19:550-6. [PMID: 16673942 DOI: 10.1094/mpmi-19-0550] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/09/2023]
Abstract
Fusarium spp. are ubiquitous fungi found in soil worldwide as both pathogenic and nonpathogenic strains. The signals leading to disease or the absence of disease are poorly understood. We recently showed that fusaric acid (FA), a nonspecific toxin produced by most Fusarium spp., could elicit various plant defense responses at 100 nM without toxic effect. In this study, we checked for the effect of FA on root and root hairs, probable first site of contact between the fungi and the host. Large FA concentrations reduce root and root-hair growth and induce a rapid transient membrane hyperpolarization, followed by a large depolarization, due to the inhibition of H(+)-ATPase currents. Nanomolar concentrations of FA induced only an early transient membrane hyperpolarization of root hairs compatible with the induction of a signal transduction pathway. FA at 10(-7) M failed to induce salicylic acid- and jasmonic acid/ethylene-dependent defense-related genes but inhibited the germination of the angiosperm parasite Orobanche ramosa in contact of FA-pretreated Arabidopsis thaliana seedlings. These data suggest that FA at nontoxic concentrations could activate signal transduction components necessary for plant-defense responses that could contribute to biocontrol activity of Fusarium spp.
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Affiliation(s)
- Brahim Bouizgarne
- LEM (EA 3514), Université Paris 7, 2, place Jussieu, 750251 Paris 05, France
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48
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Bouizgarne B, El-Maarouf-Bouteau H, Frankart C, Reboutier D, Madiona K, Pennarun AM, Monestiez M, Trouverie J, Amiar Z, Briand J, Brault M, Rona JP, Ouhdouch Y, El Hadrami I, Bouteau F. Early physiological responses of Arabidopsis thaliana cells to fusaric acid: toxic and signalling effects. New Phytol 2006; 169:209-18. [PMID: 16390432 DOI: 10.1111/j.1469-8137.2005.01561.x] [Citation(s) in RCA: 55] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Abstract
Fusaric acid (FA) is a toxin produced by Fusarium species. Most studies on FA have reported toxic effects (for example, alteration of cell growth, mitochondrial activity and membrane permeability) at concentrations greater than 10(-5) m. FA participates in fungal pathogenicity by decreasing plant cell viability. However, FA is also produced by nonpathogenic Fusarii, potential biocontrol agents of vascular wilt fusaria. The aim of this study was to determine whether FA, at nontoxic concentrations, could induce plant defence responses. Nontoxic concentrations of FA were determined from cell-growth and O2-uptake measurements on suspensions of Arabidopsis thaliana cells. Ion flux variations were analysed from electrophysiological and pH measurements. H2O2 and cytosolic calcium were quantified by luminescence techniques. FA at nontoxic concentrations (i.e. below 10(-6) m) was able to induce the synthesis of phytoalexin, a classic delayed plant response to pathogen. FA could also induce rapid responses putatively involved in signal transduction, such as the production of reactive oxygen species, and an increase in cytosolic calcium and ion channel current modulations. FA can thus act as an elicitor at nanomolar concentrations.
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Affiliation(s)
- B Bouizgarne
- LEM (EA 3514), Université Paris 7, 2, Place Jussieu, 75251 Paris cedex 05, France
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Reboutier D, Frankart C, Vedel R, Brault M, Duggleby RG, Rona JP, Barny MA, Bouteau F. A CFTR chloride channel activator prevents HrpN(ea)-induced cell death in Arabidopsis thaliana suspension cells. Plant Physiol Biochem 2005; 43:567-72. [PMID: 15936204 DOI: 10.1016/j.plaphy.2005.03.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2005] [Accepted: 03/17/2005] [Indexed: 05/02/2023]
Abstract
Erwinia amylovora is a necrogenic bacterium that causes fire blight of the Maloideae subfamily of Roseacae, such as apple and pear. It provokes necrosis in aerial parts of susceptible host plants and the typical hypersensitive reaction in non-host plants. The secreted harpin, HrpN ea, is able by itself to induce an active cell death in non-host plants. Ion flux modulations were shown to be involved early in such processes but very few data are available on the plasma membrane ion channel activities responsible for the pathogen-induced ion fluxes. We show here that HrpN ea induces cell death in non-host Arabidopsis thaliana suspension cells. We further show that two cystic fibrosis transmembrane conductance regulator modulators, glibenclamide and bromotetramisole, can regulate anion channel activities and HrpN ea-induced cell death.
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Affiliation(s)
- David Reboutier
- LEM, EA 3514, Université Paris 7, Case 7069, 2, place Jussieu, 75251 Paris cedex 5, France.
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50
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Brault M, Amiar Z, Pennarun AM, Monestiez M, Zhang Z, Cornel D, Dellis O, Knight H, Bouteau F, Rona JP. Plasma membrane depolarization induced by abscisic acid in Arabidopsis suspension cells involves reduction of proton pumping in addition to anion channel activation, which are both Ca2+ dependent. Plant Physiol 2004. [PMID: 15141069 DOI: 10.1104/pp.103.039255] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
In Arabidopsis suspension cells a rapid plasma membrane depolarization is triggered by abscisic acid (ABA). Activation of anion channels was shown to be a component leading to this ABA-induced plasma membrane depolarization. Using experiments employing combined voltage clamping, continuous measurement of extracellular pH, we examined whether plasma membrane H(+)-ATPases could also be involved in the depolarization. We found that ABA causes simultaneously cell depolarization and medium alkalinization, the second effect being abolished when ABA is added in the presence of H+ pump inhibitors. Inhibition of the proton pump by ABA is thus a second component leading to the plasma membrane depolarization. The ABA-induced depolarization is therefore the result of two different processes: activation of anion channels and inhibition of H(+)-ATPases. These two processes are independent because impairing one did not suppress the depolarization. Both processes are however dependent on the [Ca2+]cyt increase induced by ABA since increase in [Ca(2+)](cyt) enhanced anion channels and impaired H(+)-ATPases.
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Affiliation(s)
- Mathias Brault
- Laboratoire d'Electrophysiologie des Membranes, EA 3514, Université Paris 7, 75251 Paris 05, France.
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