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Resumen
Lotus tenuis is a perennial forage legume widely scattered in the flooding Pampa region of Argentina. Even when it is considered a salt-tolerant species, the molecular basis underlying this trait still remains unknown. Intracellular compartmentation of Na+ into vacuoles by NHX antiporters is an important and well known strategy to reduce ion toxicity during salt stress. In this study, the subcellular localization of Lotus tenuis NHX1 was determined by the
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dc.contributor.author | Affinito, María Agostina | |
dc.contributor.author | Espasandin, Fabiana Daniela | |
dc.contributor.author | Del Vas, Mariana | |
dc.contributor.author | Alvarez, Mayra Yanet | |
dc.contributor.author | Andres, Adriana Noemi | |
dc.contributor.author | Sansberro, Pedro Alfonso | |
dc.contributor.author | Diaz Paleo, Antonio Horacio | |
dc.date.accessioned | 2021-11-11T12:27:31Z | |
dc.date.available | 2021-11-11T12:27:31Z | |
dc.date.issued | 2021-05 | |
dc.identifier.issn | 0167-6857 | |
dc.identifier.issn | 1573-5044 | |
dc.identifier.other | https://doi.org/10.1007/s11240-021-02094-3 | |
dc.identifier.uri | http://hdl.handle.net/20.500.12123/10747 | |
dc.identifier.uri | https://link.springer.com/article/10.1007%2Fs11240-021-02094-3 | |
dc.description.abstract | Lotus tenuis is a perennial forage legume widely scattered in the flooding Pampa region of Argentina. Even when it is considered a salt-tolerant species, the molecular basis underlying this trait still remains unknown. Intracellular compartmentation of Na+ into vacuoles by NHX antiporters is an important and well known strategy to reduce ion toxicity during salt stress. In this study, the subcellular localization of Lotus tenuis NHX1 was determined by the transient expression of a LtNHX1-GFP fusion protein in Nicotiana benthamiana agroinfiltrated leaves, confirming that it is a tonoplast-located NHX antiporter. To study LtNHX1 contribution to salinity tolerance, a transgenic Lotus tenuis line was obtained by Agrobacterium-mediated transformation. Overexpression of the transgene was confirmed by PCR and RT-PCR analyses. Compared to wild-type, transgenic plants displayed less sensitivity and grew better under high salt stress, with higher survival rates, shoot length, and dry weight. These results suggest that the activity of the tonoplast-located LtNHX1 antiporter contributes to Lotus tenuis salt tolerance. | eng |
dc.format | application/pdf | es_AR |
dc.language.iso | eng | es_AR |
dc.publisher | Springer | es_AR |
dc.relation | info:eu-repograntAgreement/INTA/PNPA-1126072/AR./Desarrollo de cultivares superiores de especies forrajeras para sistemas ganaderos y agricolo-ganaderos de la Argentina. | es_AR |
dc.rights | info:eu-repo/semantics/restrictedAccess | es_AR |
dc.source | Plant Cell, Tissue and Organ Culture (PCTOC) 146 : 565–576 (2021) | es_AR |
dc.subject | Lotus tenuis | es_AR |
dc.subject | Estrés Osmótico | es_AR |
dc.subject | Osmotic Stress | eng |
dc.subject | Plantas Transgénicas | es_AR |
dc.subject | Transgenic Plants | eng |
dc.subject | Genética | es_AR |
dc.subject | Genetics | eng |
dc.subject.other | Estrés Salino | es_AR |
dc.title | Functional characterization and intracellular localization of a Lotus tenuis NHX antiporter | es_AR |
dc.type | info:ar-repo/semantics/artículo | es_AR |
dc.type | info:eu-repo/semantics/article | es_AR |
dc.type | info:eu-repo/semantics/publishedVersion | es_AR |
dc.description.origen | Instituto de Biotecnología | es_AR |
dc.description.fil | Fil: Affinito, María Agostina. Universidad Nacional del Noroeste de la Provincia de Buenos Aires. Centro de Investigaciones y Transferencia del Noroeste de la Provincia de Buenos Aires; Argentina | es_AR |
dc.description.fil | Fil: Affinito, María Agostina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro de Investigaciones y Transferencia del Noroeste de la Provincia de Buenos Aires; Argentina | es_AR |
dc.description.fil | Fil: Affinito, María Agostina. Universidad Nacional del Noroeste de la Provincia de Buenos Aires. Escuela de Ciencias Agrarias, Naturales y Ambientales; Argentina | es_AR |
dc.description.fil | Fil: Espasandin, Fabiana Daniela. Universidad Nacional del Nordeste. Instituto de Botánica del Nordeste; Argentina | es_AR |
dc.description.fil | Fil: Espasandin, Fabiana Daniela. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Botánica del Nordeste; Argentina | es_AR |
dc.description.fil | Fil: Del Vas, Mariana. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Agrobiotecnología y Biología Molecular; Argentina. | es_AR |
dc.description.fil | Fil: Alvarez, Mayra Yanet. Universidad Nacional del Nordeste. Instituto de Botánica del Nordeste; Argentina | es_AR |
dc.description.fil | Fil: Alvarez, Mayra Yanet. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Botánica del Nordeste; Argentina | es_AR |
dc.description.fil | Fil: Andrés, Adriana Noemi. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Pergamino. Forrajeras; Argentina. | es_AR |
dc.description.fil | Fil: Andrés, Adriana Noemi. Universidad Nacional del Noroeste de la Provincia de Buenos Aires. Escuela de Ciencias Agrarias, Naturales y Ambientales; Argentina | es_AR |
dc.description.fil | Fil: Sansberro, Pedro Alfonso. Universidad Nacional del Nordeste. Instituto de Botánica del Nordeste; Argentina | es_AR |
dc.description.fil | Fil: Sansberro, Pedro Alfonso. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Botánica del Nordeste; Argentina | es_AR |
dc.description.fil | Fil: Diaz Paleo, Antonio Horacio. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Pergamino; Argentina. | es_AR |
dc.description.fil | Fil: Diaz Paleo, Antonio Horacio. Universidad Nacional del Noroeste de la Provincia de Buenos Aires. Escuela de Ciencias Agrarias, Naturales y Ambientales; Argentina | es_AR |
dc.subtype | cientifico |
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