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  • Effects of EPSPS Copy Number Variation (CNV) and glyphosate application on the aromatic and branched chain amino acid synthesis pathways in Amaranthus palmeri 

    Fernández-Escalada, Manuel; Zulet González, Ainhoa Upna; Gil Monreal, Miriam Upna; Zabalza Aznárez, Ana Upna; Ravet, Karl; Gaines, Todd; Royuela Hernando, Mercedes Upna (Frontiers Media, 2017)   Artículo / Artikulua  OpenAccess
    A key enzyme of the shikimate pathway, 5-enolpyruvylshikimate-3-phosphate synthase (EPSPS; EC 2.5.1.19), is the known target of the widely used herbicide glyphosate. Glyphosate resistance in Amaranthus palmeri, one of ...
  • Soil degradation and soil quality in Western Europe: current situation and future perspectives 

    Virto Quecedo, Iñigo Upna; Imaz, María; Fernández Ugalde, Oihane; Gartzia Bengoetxea, Nahia; Enrique Martín, Alberto Upna; Bescansa Miquel, Paloma Upna (MDPI, 2015)   Artículo / Artikulua  OpenAccess
    The extent and causes of chemical, physical and biological degradation of soil, and of soil loss, vary greatly in different countries in Western Europe. The objective of this review paper is to examine these issues and ...
  • ¿Están los bosques mixtos pirenaicos de pino silvestre y haya en el camino hacia la saturación por nitrógeno? 

    Blanco Vaca, Juan Antonio Upna; San Emeterio Garciandía, Leticia Upna; González de Andrés, Ester Upna; Imbert Rodríguez, Bosco Upna; Larrainzar Rodríguez, Estíbaliz Upna; Peralta de Andrés, Francisco Javier Upna; Lo, Yueh-Hsin Upna; Castillo Martínez, Federico Upna (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 ...
  • Increased complementarity in water-limited environments in Scots pine and European beech mixtures under climate change 

    González de Andrés, Ester Upna; Seely, Brad; Blanco Vaca, Juan Antonio Upna; Imbert Rodríguez, Bosco Upna; Lo, Yueh-Hsin Upna; Castillo Martínez, Federico Upna (Wiley, 2017)   Artículo / Artikulua  OpenAccess
    Management of mixedwoods is advocated as an effective adaptation strategy to increase ecosystem resiliency in the context of climate change. While mixedwoods have been shown to have greater resource use efficiency ...
  • Bosques, suelo y agua: explorando sus interacciones 

    Blanco Vaca, Juan Antonio Upna (Asociación Española de Ecología Terrestre, 2017)   Artículo / Artikulua  OpenAccess
    Miles de millones de personas sufren los efectos de un acceso inadecuado al agua (Mekonnen y Hoekstra 2016). En muchas regiones del mundo la explotación excesiva de los recursos hídricos disponibles, el mal de uso de ...
  • Simulando la interacción entre la densidad inicial y los flujos de agua y nutrientes para comprender el desarrollo de rodales mixtos de Pinus sylvestris y Fagus sylvatica bajo cambio climático 

    Candel Pérez, David Upna; Blanco Vaca, Juan Antonio Upna; González de Andrés, Ester Upna; Lo, Yueh-Hsin Upna; Imbert Rodríguez, Bosco Upna; Castillo Martínez, Federico Upna (Asociación Española de Ecología Terrestre, 2017)   Artículo / Artikulua  OpenAccess
    La gestión de bosques mixtos se ha convertido en una estrategia de adaptación para reducir los riesgos relacionados con el cambio climático. A su vez, los modelos ecológicos pueden ser una herramienta útil para el estudio ...
  • The pattern of shikimate pathway and phenylpropanoids after inhibition by glyphosate or quinate feeding in pea roots 

    Zabalza Aznárez, Ana Upna; Orcaray Echeverría, Luis Upna; Fernández Escalada, Manuel Upna; Zulet González, Ainhoa Upna; Royuela Hernando, Mercedes Upna (Elsevier, 2017)   Artículo / Artikulua
    The shikimate pathway is a metabolic route for the biosynthesis of aromatic amino acids (AAAs) (i.e. phenylalanine, tyrosine, and tryptophan). A key enzyme of shikimate pathway (5-enolpyruvylshikimate-3-phosphate synthase, ...
  • Effect of feeding regime on composting in bins 

    Storino, Francesco Upna; Menéndez Villanueva, Sergio Upna; Muro Erreguerena, Julio Upna; Aparicio Tejo, Pedro María Upna; Irigoyen Iriarte, Ignacio Upna (Taylor & Francis, 2017)   Artículo / Artikulua
    Composting in bins is one of the most practical home composting methods. There is currently a need for greater information to improve the management of the composting process and to create home composting programs, which ...
  • Meat waste as feedstock for home composting: effects on the process and quality of compost 

    Storino, Francesco Upna; Sánchez Arizmendiarrieta, Joseba; Irigoyen Iriarte, Ignacio Upna; Muro Erreguerena, Julio Upna; Aparicio Tejo, Pedro María Upna (Elsevier, 2016)   Artículo / Artikulua
    Home composting is a powerful tool, which is spreading in different parts of the world, to reduce the generation of municipal waste. However, there is debate concerning the appropriateness, in terms of domestic hygiene and ...
  • Impairment of carbon metabolism induced by the herbicide glyphosate 

    Orcaray Echeverría, Luis Upna; Zulet González, Amaia Upna; Zabalza Aznárez, Ana Upna; Royuela Hernando, Mercedes Upna (Elsevier, 2012)   Artículo / Artikulua  OpenAccess
    The herbicide glyphosate reduces plant growth and causes plant death by inhibiting the biosynthesis of aromatic amino acids. The objective of this work was to determine whether glyphosate-treated plants show a carbon ...
  • Branched-chain amino acid biosynthesis inhibitors: herbicide efficacy is associated with an induced carbon–nitrogen imbalance 

    Zabalza Aznárez, Ana Upna; Zulet González, Amaia Upna; Igal Díaz de Cerio, María Upna; Gil Monreal, Miriam Upna; Royuela Hernando, Mercedes Upna (Elsevier, 2013)   Artículo / Artikulua  OpenAccess
    Acetolactate synthase (ALS; EC 4.1.3.18) and ketol-acid reductoisomerase (KARI; EC 1.1.1.86) are two consecutive enzymes in the biosynthesis of branched-chain amino acids. Several commercial herbicides inhibit ALS as their ...
  • Proteolytic pathways induced by herbicides that inhibit amino acid biosynthesis 

    Zulet González, Amaia Upna; Gil Monreal, Miriam Upna; Villamor, Joji Grace; Zabalza Aznárez, Ana Upna; Hoorn, Renier A.L. van der; Royuela Hernando, Mercedes Upna (Public Library of Science, 2013)   Artículo / Artikulua  OpenAccess
    Background: The herbicides glyphosate (Gly) and imazamox (Imx) inhibit the biosynthesis of aromatic and branched-chain amino acids, respectively. Although these herbicides inhibit different pathways, they have been reported ...
  • Phytotoxic and metabolic effects of exogenous quinate on Pisum sativum L. 

    Zulet González, Amaia Upna; Zabalza Aznárez, Ana Upna; Royuela Hernando, Mercedes Upna (Springer US, 2013)   Artículo / Artikulua  OpenAccess
    Quinate (1,3,4,5-tetrahydroxycyclohexanecarboxylate) is a compound synthesized in plants through a side branch of the shikimate biosynthesis pathway. Plants treated with herbicides that inhibit amino acid biosynthesis ...
  • Fermentation and alternative oxidase contribute to the action of amino acid biosynthesis-inhibiting herbicides 

    Zulet González, Amaia Upna; Gil Monreal, Miriam Upna; Zabalza Aznárez, Ana Upna; Dongen, Joost T. van; Royuela Hernando, Mercedes Upna (Elsevier, 2015)   Artículo / Artikulua  OpenAccess
    Acetolactate synthase inhibitors (ALS-inhibitors) and glyphosate (GLP) are two classes of herbicide that act by the specific inhibition of an enzyme in the biosynthetic pathway of branched-chain or aromatic amino acids, ...
  • Characterization of the Amaranthus palmeri physiological response to glyphosate in susceptible and resistant populations 

    Fernández Escalada, Manuel Upna; Gil Monreal, Miriam Upna; Zabalza Aznárez, Ana Upna; Royuela Hernando, Mercedes Upna (ACS Publications, 2016)   Artículo / Artikulua  OpenAccess
    The herbicide glyphosate inhibits the plant enzyme 5-enolpyruvylshikimate3-phosphate synthase (EPSPS) in the aromatic amino acid (AAA) biosynthetic pathway. The physiologies of an Amaranthus palmeri population exhibiting ...
  • Both foliar and residual applications of herbicides that inhibit amino acid biosynthesis induce alternative respiration and aerobic fermentation in pea roots 

    Armendáriz García, Óscar Upna; Gil Monreal, Miriam Upna; Zulet González, Amaia Upna; Zabalza Aznárez, Ana Upna; Royuela Hernando, Mercedes Upna (Wiley, 2016)   Artículo / Artikulua  OpenAccess
    The objective of this work was to ascertain whether there is a general pattern of carbon allocation and utilisation in plants following herbicide supply, independent of the site of application: sprayed on leaves or supplied ...
  • Local inhibition of nitrogen fixation and nodule metabolism in drought-stressed soybean 

    Gil Quintana, Erena Upna; Larrainzar Rodríguez, Estíbaliz Upna; Seminario Huárriz, Amaia Upna; Díaz Leal, Juan Luis; Alamillo, Josefa M.; Pineda, Manuel; Arrese-Igor Sánchez, César Upna; Wienkoop, Stefanie; González García, Esther Upna (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 ...
  • Is N-feedback involved in the inhibition of nitrogen fixation in drought-stressed Medicago truncatula? 

    Gil Quintana, Erena Upna; Larrainzar Rodríguez, Estíbaliz Upna; Arrese-Igor Sánchez, César Upna; González García, Esther Upna (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 ...
  • Drought stress provokes the down-regulation of methionine and ethylene biosynthesis pathways in Medicago truncatula roots and nodules 

    Larrainzar Rodríguez, Estíbaliz Upna; Molenaar, Johanna A.; Wienkoop, Stefanie; Gil Quintana, Erena Upna; Alibert, Bénédicte; Limami, Anis M.; Arrese-Igor Sánchez, César Upna; González García, Esther Upna (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 ...
  • Nodule carbohydrate catabolism is enhanced in the Medicago truncatula A17-Sinorhizobium medicae WSM419 symbiosis 

    Larrainzar Rodríguez, Estíbaliz Upna; Gil Quintana, Erena Upna; Seminario Huárriz, Amaia Upna; Arrese-Igor Sánchez, César Upna; González García, Esther Upna (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 ...

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