TuMV triggers stomatal closure but reduces drought tolerance in Arabidopsis
Compatible plant viral infections are a common cause of agricultural losses worldwide. Characterization of the physiological responses controlling plant water management under combined stresses is of great interest in the current climate change scenario. We studied the outcome of TuMV infection on s...
| Autores principales: | , , , , , , , |
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| Formato: | info:ar-repo/semantics/artículo |
| Lenguaje: | Inglés |
| Publicado: |
Wiley
2025
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| Materias: | |
| Acceso en línea: | http://hdl.handle.net/20.500.12123/23063 https://onlinelibrary.wiley.com/doi/10.1111/pce.14024 https://doi.org/10.1111/pce.14024 |
| _version_ | 1855038688356990976 |
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| author | Manacorda, Carlos Augusto Gudesblat, Gustavo Sutka, Moira Alemano, Sergio Gabriel Peluso, Franco Oricchio, Patricio Baroli, Irene Asurmendi, Sebastian |
| author_browse | Alemano, Sergio Gabriel Asurmendi, Sebastian Baroli, Irene Gudesblat, Gustavo Manacorda, Carlos Augusto Oricchio, Patricio Peluso, Franco Sutka, Moira |
| author_facet | Manacorda, Carlos Augusto Gudesblat, Gustavo Sutka, Moira Alemano, Sergio Gabriel Peluso, Franco Oricchio, Patricio Baroli, Irene Asurmendi, Sebastian |
| author_sort | Manacorda, Carlos Augusto |
| collection | INTA Digital |
| description | Compatible plant viral infections are a common cause of agricultural losses worldwide. Characterization of the physiological responses controlling plant water management under combined stresses is of great interest in the current climate change scenario. We studied the outcome of TuMV infection on stomatal closure and water balance, hormonal balance and drought tolerance in Arabidopsis. TuMV infection reduced stomatal aperture concomitantly with diminished gas exchange rate, daily water consumption and rosette initial dehydration rate. Infected plants overaccumulated salicylic acid and abscisic acid and showed altered expression levels of key ABA homeostasis genes including biosynthesis and catabolism. Also the expression of ABA signalling gene ABI2 was induced and ABCG40 (which imports ABA into guard cells) was highly induced upon infection. Hypermorfic abi2-1 mutant plants, but no other ABA or SA biosynthetic, signalling or degradation mutants tested abolished both stomatal closure and low stomatal conductance phenotypes caused by TuMV. Notwithstanding lower relative water loss during infection, plants simultaneously subjected to drought and viral stresses showed higher mortality rates than mock-inoculated drought stressed controls, alongside downregulation of drought-responsive gene RD29A. Our findings indicate that despite stomatal closure triggered by TuMV, additional phenomena diminish drought tolerance upon infection. |
| format | info:ar-repo/semantics/artículo |
| id | INTA23063 |
| institution | Instituto Nacional de Tecnología Agropecuaria (INTA -Argentina) |
| language | Inglés |
| publishDate | 2025 |
| publishDateRange | 2025 |
| publishDateSort | 2025 |
| publisher | Wiley |
| publisherStr | Wiley |
| record_format | dspace |
| spelling | INTA230632025-07-17T13:45:55Z TuMV triggers stomatal closure but reduces drought tolerance in Arabidopsis Manacorda, Carlos Augusto Gudesblat, Gustavo Sutka, Moira Alemano, Sergio Gabriel Peluso, Franco Oricchio, Patricio Baroli, Irene Asurmendi, Sebastian ABA Arabidopsis Salicylic Acids Stomatal Conductance Drought Tolerance Ácido Salicílico Conductancia Estomática Tolerancia a la Sequia Turnip Mosaic Virus Virus del Mosaico del Nabo Compatible plant viral infections are a common cause of agricultural losses worldwide. Characterization of the physiological responses controlling plant water management under combined stresses is of great interest in the current climate change scenario. We studied the outcome of TuMV infection on stomatal closure and water balance, hormonal balance and drought tolerance in Arabidopsis. TuMV infection reduced stomatal aperture concomitantly with diminished gas exchange rate, daily water consumption and rosette initial dehydration rate. Infected plants overaccumulated salicylic acid and abscisic acid and showed altered expression levels of key ABA homeostasis genes including biosynthesis and catabolism. Also the expression of ABA signalling gene ABI2 was induced and ABCG40 (which imports ABA into guard cells) was highly induced upon infection. Hypermorfic abi2-1 mutant plants, but no other ABA or SA biosynthetic, signalling or degradation mutants tested abolished both stomatal closure and low stomatal conductance phenotypes caused by TuMV. Notwithstanding lower relative water loss during infection, plants simultaneously subjected to drought and viral stresses showed higher mortality rates than mock-inoculated drought stressed controls, alongside downregulation of drought-responsive gene RD29A. Our findings indicate that despite stomatal closure triggered by TuMV, additional phenomena diminish drought tolerance upon infection. Instituto de Biotecnología Fil: Manacorda, Carlos Augusto. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Agrobiotecnología y Biología Molecular; Argentina Fil: Manacorda, Carlos Augusto. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Gudesblat, Gustavo. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Biociencias, Biotecnología y Biología Translacional. Departamento de Fisiología, Biología Molecular y Celular “Profesor Héctor Maldonado”; Argentina Fil: Sutka, Moira. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Biodiversidad, Biología Experimental y Aplicada. Departamento de Biodiversidad y Biología Experimental; Argentina Fil: Sutka, Moira. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Alemano, Sergio. Universidad Nacional de Río Cuarto. Facultad de Ciencias Exactas, Físico-Químicas y Naturales. Laboratorio de Fisiología Vegetal; Argentina Fil: Alemano, Sergio. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Peluso, Franco. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Clima y Agua; Argentina Fil: Oricchio, Patricio. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Clima y Agua; Argentina Fil: Baroli, Irene. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Biodiversidad, Biología Experimental y Aplicada. Departamento de Biodiversidad y Biología Experimental; Argentina Fil: Baroli, Irene. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Asurmendi, Sebastian. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Agrobiotecnología y Biología Molecular (IABIMO); Argentina Fil: Asurmendi, Sebastian. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina 2025-07-17T13:38:58Z 2025-07-17T13:38:58Z 2021-05 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://hdl.handle.net/20.500.12123/23063 https://onlinelibrary.wiley.com/doi/10.1111/pce.14024 1365-3040 https://doi.org/10.1111/pce.14024 eng info:eu-repograntAgreement/INTA/2019-PD-E6-I116-001, Identificación y análisis funcional de genes o redes génicas de interés biotecnológico con fin agropecuario, forestal, agroalimentario y/o agroindustrial info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by-nc-sa/4.0/ Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) application/pdf Wiley Plant, Cell and Environment 44 (5) : 1399-1416 (May 2021) |
| spellingShingle | ABA Arabidopsis Salicylic Acids Stomatal Conductance Drought Tolerance Ácido Salicílico Conductancia Estomática Tolerancia a la Sequia Turnip Mosaic Virus Virus del Mosaico del Nabo Manacorda, Carlos Augusto Gudesblat, Gustavo Sutka, Moira Alemano, Sergio Gabriel Peluso, Franco Oricchio, Patricio Baroli, Irene Asurmendi, Sebastian TuMV triggers stomatal closure but reduces drought tolerance in Arabidopsis |
| title | TuMV triggers stomatal closure but reduces drought tolerance in Arabidopsis |
| title_full | TuMV triggers stomatal closure but reduces drought tolerance in Arabidopsis |
| title_fullStr | TuMV triggers stomatal closure but reduces drought tolerance in Arabidopsis |
| title_full_unstemmed | TuMV triggers stomatal closure but reduces drought tolerance in Arabidopsis |
| title_short | TuMV triggers stomatal closure but reduces drought tolerance in Arabidopsis |
| title_sort | tumv triggers stomatal closure but reduces drought tolerance in arabidopsis |
| topic | ABA Arabidopsis Salicylic Acids Stomatal Conductance Drought Tolerance Ácido Salicílico Conductancia Estomática Tolerancia a la Sequia Turnip Mosaic Virus Virus del Mosaico del Nabo |
| url | http://hdl.handle.net/20.500.12123/23063 https://onlinelibrary.wiley.com/doi/10.1111/pce.14024 https://doi.org/10.1111/pce.14024 |
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