Now showing items 1-20 of 21

    • Application of anti-transpirants temporarily alleviates the inhibition of symbiotic nitrogen fixation in drought-stressed pea plants 

      Aldasoro Galán, Joseba Upna; Larrainzar Rodríguez, Estíbaliz Upna Orcid; Arrese-Igor Sánchez, César Upna Orcid (Elsevier, 2019)   Artículo / Artikulua  OpenAccess
      Stomatal closure is one of the first plant responses under a water deficit situation. This leads to a decline in transpiration but also in the plant photosynthetic activity. Legume plants grown under symbiosis with rhizobium ...
    • The CCAAT box-binding transcription factor NF-YA1 controls rhizobial infection 

      Laporte, Philippe; Lepage, Agnes; Fournier, Joëlle; Catrice, Olivier; Larrainzar Rodríguez, Estíbaliz Upna Orcid (Oxford University Press, 2014)   Artículo / Artikulua  OpenAccess
      Symbiosis between legume plants and soil rhizobia culminates in the formation of a novel root organ, the 'nodule', containing bacteria differentiated as facultative nitrogen-fixing organelles. MtNF-YA1 is a Medicago ...
    • Drought stress causes a reduction in the biosynthesis of ascorbic acid in soybean plants 

      Seminario Huárriz, Amaia Upna; Song, Li; Zulet González, Amaia Upna; Nguyen, Henry T.; González García, Esther Upna Orcid; Larrainzar Rodríguez, Estíbaliz Upna Orcid (Frontiers Media, 2017)   Artículo / Artikulua  OpenAccess
      Drought provokes a number of physiological changes in plants including oxidative damage. Ascorbic acid (AsA), also known as vitamin C, is one of the most abundant water-soluble antioxidant compound present in plant tissues. ...
    • Drought stress provokes the down-regulation of methionine and ethylene biosynthesis pathways in Medicago truncatula roots and nodules 

      Larrainzar Rodríguez, Estíbaliz Upna Orcid; Molenaar, Johanna A.; Wienkoop, Stefanie; Gil Quintana, Erena Upna; Alibert, Bénédicte; Limami, Anis M.; Arrese-Igor Sánchez, César Upna Orcid; González García, Esther Upna Orcid (Wiley, 2014)   Artículo / Artikulua  OpenAccess
      Symbiotic nitrogen fixation is one of the first physiological processes inhibited in legume plants under water-deficit conditions. Despite the progress made in the last decades, the molecular mechanisms behind this ...
    • Drought stress responses in Medicago truncatula and Glycine max: system biology approaches 

      Seminario Huárriz, Amaia Upna (2017)   Tesis doctoral / Doktoretza tesia  OpenAccess
      Las leguminosas, después de los cereales, son el cultivo de mayor importancia económica a nivel mundial. Sin embargo, estas plantas son muy sensibles a los estreses abióticos, siendo la sequía el que más afecta a su ...
    • ¿Están los bosques mixtos pirenaicos de pino silvestre y haya en el camino hacia la saturación por nitrógeno? 

      Blanco Vaca, Juan Antonio Upna Orcid; San Emeterio Garciandía, Leticia Upna Orcid; González de Andrés, Ester Upna Orcid; Imbert Rodríguez, Bosco Upna Orcid; Larrainzar Rodríguez, Estíbaliz Upna Orcid; Peralta de Andrés, Francisco Javier Upna Orcid; Lo, Yueh-Hsin Upna Orcid; Castillo Martínez, Federico Upna Orcid (Asociación Española de Ecología Terrestre, 2017)   Artículo / Artikulua  OpenAccess
      Las actividades humanas causan altos niveles de deposición atmosférica crónica de N que pueden estar trastornando el ciclo del N en los bosques de los Pirineos occidentales. Para probar esta hipótesis, se han investigado ...
    • Hemoglobins in the legume–rhizobium symbiosis 

      Larrainzar Rodríguez, Estíbaliz Upna Orcid; Villar, Irene; Rubio, María Carmen; Pérez Rontomé, Carmen; Huertas, Raúl (WileyNew Phytologist Trust, 2020)   Artículo / Artikulua  OpenAccess
      Legume nodules have two types of hemoglobins: symbiotic or leghemoglobins (Lbs) and nonsymbiotic or phytoglobins (Glbs). The latter are categorized into three phylogenetic classes differing in heme coordination and O2 ...
    • Increased ascorbate biosynthesis does not improve nitrogen fixation nor alleviate the effect of drought stress in nodulated Medicago truncatula plants 

      Cobos Porras, Libertad; Rubia, María Isabel Upna Orcid; Huertas, Raúl; Kum, David; Dalton, David A.; Udvardi, Michael; Arrese-Igor Sánchez, César Upna Orcid; Larrainzar Rodríguez, Estíbaliz Upna Orcid (Frontiers Media, 2021)   Artículo / Artikulua  OpenAccess
      Legume plants are able to establish nitrogen-fixing symbiotic relations with Rhizobium bacteria. This symbiosis is, however, affected by a number of abiotic constraints, particularly drought. One of the consequences of ...
    • Integrative approaches for the analysis of abiotic stress responses in the legume-Rhizobium symbiosis: from shoots to roots 

      Rubia, María Isabel Upna Orcid (2020)   Tesis doctoral / Doktoretza tesia  OpenAccess
      La actual población mundial junto con las predicciones de un mayor crecimiento sugieren que es necesario incrementar el rendimiento de los cultivos a nivel mundial. Las leguminosas son el segundo cultivo más importante ...
    • Is N-feedback involved in the inhibition of nitrogen fixation in drought-stressed Medicago truncatula? 

      Gil Quintana, Erena Upna; Larrainzar Rodríguez, Estíbaliz Upna Orcid; Arrese-Igor Sánchez, César Upna Orcid; González García, Esther Upna Orcid (Oxford University PressSociety for Experimental Biology, 2013)   Artículo / Artikulua  OpenAccess
      Drought stress is a major factor limiting nitrogen fixation (NF) in crop production. However, the regulatory mechanism involved and the origin of the inhibition, whether local or systemic, is still controversial and so far ...
    • It's not you, it's me: Medicago truncatula efd-1 mutant phenotype depends on rhizobium symbiont 

      Larrainzar Rodríguez, Estíbaliz Upna Orcid (Oxford University Press, 2023)   Artículo / Artikulua  OpenAccess
      The work by Jardinaud et al. (2022a) illustrates the need to reconsider the identification of genes with a functional role in symbiosis when using a model system in which nodule development and plant growth are constrained ...
    • Local inhibition of nitrogen fixation and nodule metabolism in drought-stressed soybean 

      Gil Quintana, Erena Upna; Larrainzar Rodríguez, Estíbaliz Upna Orcid; Seminario Huárriz, Amaia Upna; Díaz Leal, Juan Luis; Alamillo, Josefa M.; Pineda, Manuel; Arrese-Igor Sánchez, César Upna Orcid; Wienkoop, Stefanie; González García, Esther Upna Orcid (Oxford University PressSociety for Experimental Biology, 2013)   Artículo / Artikulua  OpenAccess
      Drought stress is a major factor limiting symbiotic nitrogen fixation (NF) in soybean crop production. However, the regulatory mechanisms involved in this inhibition are still controversial. Soybean plants were symbiotically ...
    • Medicago sativa and Medicago truncatula show contrasting root metabolic responses to drought 

      Echeverría Obanos, Andrés Upna Orcid; Larrainzar Rodríguez, Estíbaliz Upna Orcid; Li, Weiqiang; Watanabe, Yasuko; Sato, Muneo; Tran, Cuong Duy; Moler Cuiral, José Antonio Upna Orcid; Hirai, Masami; Sawada, Yuji; Tran, Lam-Son; González de Andrés, Ester Upna Orcid (Frontiers Media, 2021)   Artículo / Artikulua  OpenAccess
      Drought is an environmental stressor that affects crop yield worldwide. Understandingplant physiological responses to stress conditions is needed to secure food in futureclimate conditions. In this study, we applied a ...
    • Nodule carbohydrate catabolism is enhanced in the Medicago truncatula A17-Sinorhizobium medicae WSM419 symbiosis 

      Larrainzar Rodríguez, Estíbaliz Upna Orcid; Gil Quintana, Erena Upna; Seminario Huárriz, Amaia Upna; Arrese-Igor Sánchez, César Upna Orcid; González García, Esther Upna Orcid (Frontiers Media, 2014)   Artículo / Artikulua  OpenAccess
      The symbiotic association between Medicago truncatula and Sinorhizobium meliloti is a well-established model system in the legume–Rhizobium community. Despite its wide use, the symbiotic efficiency of this model has been ...
    • A novel biosensor to monitor proline in pea root exudates and nodules under osmotic stress and recovery 

      Rubia, María Isabel Upna Orcid; Ramachandran, Vinoy K.; Arrese-Igor Sánchez, César Upna Orcid; Larrainzar Rodríguez, Estíbaliz Upna Orcid; Poole, Philip S. (Springer, 2020)   Artículo / Artikulua  OpenAccess
      Background and aims: Plant and bacteria are able to synthesise proline, which acts as a compound to counteract the negative effects of osmotic stresses. Most methodologies rely on the extraction of compounds using destructive ...
    • Physiological responses of legume nodules to drought 

      Arrese-Igor Sánchez, César Upna Orcid; González García, Esther Upna Orcid; Marino Bilbao, Daniel Upna Orcid; Ladrera Fernández, Rubén Upna; Larrainzar Rodríguez, Estíbaliz Upna Orcid; Gil Quintana, Erena Upna (Global Science Books, 2011)   Artículo / Artikulua  OpenAccess
      Legumes include important agricultural crops, as their high protein content is of primary importance for human food and animal feed. In addition, the ability of most of them to establish symbiotic relationships with soil ...
    • A plant gene encoding one-heme and two-heme hemoglobins with extreme reactivities toward diatomic gases and nitrite 

      Villar, Irene; Larrainzar Rodríguez, Estíbaliz Upna Orcid; Milazzo, Lisa; Pérez Rontomé, Carmen; Rubio, María Carmen; Smulevich,Giulietta; Martínez, Jesús I.; Wilson, Michael T.; Reeder, Brandon; Huertas, Raúl; Abbruzzetti, Stefania; Udvardi, Michael; Becana, Manuel (Frontiers Media, 2020)   Artículo / Artikulua  OpenAccess
      In plants, symbiotic hemoglobins act as carriers and buffers of O2 in nodules, whereas nonsymbiotic hemoglobins or phytoglobins (Glbs) are ubiquitous in tissues and may perform multiple, but still poorly defined, functions ...
    • A proteomic view on the role of legume symbiotic interactions 

      Larrainzar Rodríguez, Estíbaliz Upna Orcid; Wienkoop, Stefanie (Frontiers Media, 2017)   Artículo / Artikulua  OpenAccess
      Legume plants are key elements in sustainable agriculture and represent a significant source of plant-based protein for humans and animal feed worldwide. One specific feature of the family is the ability to establish ...
    • Regulación de la simbiosis leguminosa-rizobio en condiciones de déficit hídrico: antioxidantes y compuestos nitrogenados 

      Cobos Porras, Libertad (2021)   Tesis doctoral / Doktoretza tesia  OpenAccess
      En un mundo que requiere urgentemente una agricultura más sostenible, los cultivos de leguminosas representan una importante alternativa. A nivel agroecológico, la característica más interesante de esta familia de plantas ...
    • Split‐root systems applied to the study of the legume‐rhizobial symbiosis: what have we learned? 

      Larrainzar Rodríguez, Estíbaliz Upna Orcid; Gil Quintana, Erena Upna; Arrese-Igor Sánchez, César Upna Orcid; González García, Esther Upna Orcid; Marino Bilbao, Daniel Upna Orcid (Wiley, 2014)   Artículo / Artikulua  OpenAccess
      Split-root system (SRS) approaches allow the differential treatment of separate and independent root systems, while sharing a common aerial part. As such, SRS is a useful tool for the discrimination of systemic (shoot ...

      El Repositorio ha recibido la ayuda de la Fundación Española para la Ciencia y la Tecnología para la realización de actividades en el ámbito del fomento de la investigación científica de excelencia, en la Línea 2. Repositorios institucionales (convocatoria 2020-2021).
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