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1.
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16 p, 1.8 MB |
Overexpression of thioredoxin m in chloroplasts alters carbon and nitrogen partitioning in tobacco
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Ancín, María (Universidad Pública de Navarra. Departamento de Agronomía, Biotecnología y Alimentación) ;
Larraya, Luis (Universidad Pública de Navarra. Departamento de Agronomía, Biotecnología y Alimentación) ;
Florez-Sarasa, Igor (Centre de Recerca en Agrigenòmica) ;
Bénard, Camille (Bordeaux University. Biologie du Fruit et Pathologie and Plateforme Metabolome Bordeaux) ;
Fernández-San Millán, Alicia (Universidad Pública de Navarra. Departamento de Agronomía, Biotecnología y Alimentación) ;
Veramendi, Jon (Universidad Pública de Navarra. Departamento de Agronomía, Biotecnología y Alimentación) ;
Gibon, Yves (Bordeaux University. Biologie du Fruit et Pathologie and Plateforme Metabolome Bordeaux) ;
Fernie, Alisdair (Max-Planck-Institut für Molekulare Pflanzenphysiologie) ;
Aranjuelo, Iker (Gobierno de Navarra. Instituto de Agrobiotecnología) ;
Farran, Inmaculada (Universidad Pública de Navarra. Departamento de Agronomía, Biotecnología y Alimentación)
In plants, there is a complex interaction between carbon (C) and nitrogen (N) metabolism, and its coordination is fundamental for plant growth and development. Here, we studied the influence of thioredoxin (Trx) m on C and N partitioning using tobacco plants overexpressing Trx m from the chloroplast genome. [...]
2021 -  10.1093/jxb/erab193
Journal of experimental botany, Vol. 72, Issue 13 (May 2021) , p. 4949-4964
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18 p, 1.6 MB |
Cytochrome c Deficiency Differentially Affects the In Vivo Mitochondrial Electron Partitioning and Primary Metabolism Depending on the Photoperiod
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Florez-Sarasa, Igor (Centre de Recerca en Agrigenòmica) ;
Welchen, Elina (Universidad Nacional del Litoral. Instituto de Agrobiotecnología del Litoral) ;
Racca, Sofia (Universidad Nacional del Litoral. Instituto de Agrobiotecnología del Litoral) ;
Gonzalez, Daniel H. (Universidad Nacional del Litoral. Instituto de Agrobiotecnología del Litoral) ;
Vallarino, José G. (Max-Planck-Institute of Molecular Plant Physiology) ;
Fernie, Alisdair (Max-Planck-Institute of Molecular Plant Physiology) ;
Ribas-Carbo, Miquel (Universitat de les Illes Balears) ;
Fernández Del-Saz, Néstor (Universidad de Concepción. Departamento de Botánica)
Plant respiration provides metabolic flexibility under changing environmental conditions by modulating the activity of the nonphosphorylating alternative pathways from the mitochondrial electron transport chain, which bypass the main energy-producing components of the cytochrome oxidase pathway (COP). [...]
2021 - 10.3390/plants10030444
Plants, Vol. 10, Issue 3 (March 2021) , art. 444
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3.
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15 p, 1.7 MB |
Light signals generated by vegetation shade facilitate acclimation to low light in shade-avoider plants
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Morelli, Luca (Centre de Recerca en Agrigenòmica) ;
Paulišić, Sandi (Centre de Recerca en Agrigenòmica) ;
Qin, Wenting (Centre de Recerca en Agrigenòmica) ;
Iglesias Sánchez, Ariadna (Centre de Recerca en Agrigenòmica) ;
Roig Villanova, Irma (Centre de Recerca en Agrigenòmica) ;
Florez-Sarasa, Igor (Centre de Recerca en Agrigenòmica) ;
Rodríguez Concepción, Manuel (Centre de Recerca en Agrigenòmica) ;
Martínez García, Jaime F. (Centre de Recerca en Agrigenòmica)
When growing in search for light, plants can experience continuous or occasional shading by other plants. Plant proximity causes a decrease in the ratio of R to far-red light (low R:FR) due to the preferential absorbance of R light and reflection of FR light by photosynthetic tissues of neighboring plants. [...]
2021 - 10.1093/plphys/kiab206
Plant physiology, Vol. 186, Issue 4 (August 2021) , p. 2137-2151
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4.
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42 p, 19.8 MB |
Several geranylgeranyl diphosphate synthase isoforms supply metabolic substrates for carotenoid biosynthesis in tomato
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Barja, Maria Victoria (Centre de Recerca en Agrigenòmica) ;
Ezquerro, Miguel (Centre de Recerca en Agrigenòmica) ;
Beretta, Stefano (Centre de Recerca en Agrigenòmica) ;
Diretto, Gianfranco (Italian National Agency for New Technologies, Energy, and Sustainable Development (Roma, Itàlia)) ;
Florez-Sarasa, Igor (Centre de Recerca en Agrigenòmica) ;
Feixes Prats, Elisenda (Centre de Recerca en Agrigenòmica) ;
Fiore, Alessia (Italian National Agency for New Technologies, Energy, and Sustainable Development (Roma, Itàlia)) ;
Karlova, Rumyana (Wageningen University and Research) ;
Fernie, Alisdair (Max-Planck-Institut für Molekulare Pflanzenphysiologie) ;
Beekwilder, Jules (Wageningen University and Research) ;
Rodríguez Concepción, Manuel (Centre de Recerca en Agrigenòmica)
Geranylgeranyl diphosphate (GGPP) produced by GGPP synthase (GGPPS) serves as a precursor for many plastidial isoprenoids, including carotenoids. Phytoene synthase (PSY) converts GGPP into phytoene, the first committed intermediate of the carotenoid pathway. [...]
2021 - 10.1111/nph.17283
The new phytologist, (March 2021)
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21 p, 2.2 MB |
Differences in metabolic and physiological responses between local and widespread grapevine cultivars underwater deficit stress
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Florez-Sarasa, Igor (Centre de Recerca en Agrigenòmica) ;
Clemente-Moreno, Maria Jose (Universitat de les Illes Balears) ;
Cifre, Josep (Universitat de les Illes Balears) ;
Capo, Miquel (Universitat de les Illes Balears) ;
Llompart, Miquel (Universitat de les Illes Balears) ;
Fernie, Alisdair (Max-Ilanck-Institute of Molecular Plant Physiology (Germany)) ;
Bota, Josefina (Universitat de les Illes Balears)
Climate change forecasts suggest temperature increases and lower rainfall rates, both of which challenge viticulture, particularly in semi-arid areas where water availability is critical. In this scenario, tlx-use of tlx-genetic variability in grapevine varieties reported around the world represents an important strategy for the selection of climate-resilient cultivars. [...]
2020 - 10.3390/AGRONOMY10071052
Agronomy, Vol. 10, Issue 7 (July 2020) , art. 1052
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6.
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21 p, 1.4 MB |
Synthetic conversion of leaf chloroplasts into carotenoid-rich plastids reveals mechanistic basis of natural chromoplast development
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Llorente, Briardo (Centre de Recerca en Agrigenòmica) ;
Torres Montilla, Salvador (Centre de Recerca en Agrigenòmica) ;
Morelli, Luca (Centre de Recerca en Agrigenòmica) ;
Florez-Sarasa, Igor (Centre de Recerca en Agrigenòmica) ;
Matus, José Tomás (Centre de Recerca en Agrigenòmica) ;
Ezquerro, Miguel (Centre de Recerca en Agrigenòmica) ;
D'Andrea, Lucio (Centre de Recerca en Agrigenòmica) ;
Houhou, Fakhreddine (Instituto de Biología Molecular y Celular de Plantas) ;
Majer, Eszter (Instituto de Biología Molecular y Celular de Plantas) ;
Picó, Belén (Universitat Politècnica de València. Instituto de Conservación y Mejora de la Agrodiversidad Valenciana) ;
Cebolla, Jaime (Universitat Politècnica de València. Instituto de Conservación y Mejora de la Agrodiversidad Valenciana) ;
Troncoso, Adrian (Sorbonne Universités. Université de Technologie de Compiègne, Génie Enzymatique et Cellulaire. Centre National de la Recherche Scientifique (France)) ;
Fernie, Alisdair (Max-Planck-Institut für Molekulare Pflanzenphysiologie (Germany)) ;
Daròs, José-Antonio (Instituto de Biología Molecular y Celular de Plantas) ;
Rodríguez Concepción, Manuel (Centre de Recerca en Agrigenòmica)
Plastids, the defining organelles of plant cells, undergo physiological and morphological changes to fulfill distinct biological functions. In particular, the differentiation of chloroplasts into chromoplasts results in an enhanced storage capacity for carotenoids with industrial and nutritional value such as beta-carotene (pro-vitamin A). [...]
2020 - 10.1073/pnas.2004405117
Proceedings of the National Academy of Sciences of the United States of America, Vol. 117, Issue 35 (September 2020) , p. 21796-21803
2 documents
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7.
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20 p, 1.5 MB |
In vivo metabolic regulation of alternative oxidase under nutrient deficiency-interaction with arbuscular mycorrhizal fungi and Rhizobium bacteria
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Ortíz, José (Universidad de Concepción. Departamento de Botánica (Chile)) ;
Sanhueza, Carolina (Universidad de Concepción. Departamento de Botánica (Chile)) ;
Romero Munar, Antònia (Centro de Estudios Avanzados en Fruticultura (Chile)) ;
Hidalgo Castellanos, Javier (Universidad de Granada. Departamento de Fisiología Vegetal) ;
Castro, Catalina (Universidad de Concepción. Departamento de Botánica (Chile)) ;
Bascuñán Godoy, Luisa (Universidad de Concepción. Departamento de Botánica (Chile)) ;
Coba de la Peña, Teodoro (Centro de Estudios Avanzados en Zonas Áridas (Chile)) ;
López Gómez, Miguel (Universidad de Granada. Departamento de Fisiología Vegetal) ;
Florez-Sarasa, Igor (Centre de Recerca en Agrigenòmica) ;
Fernández Del-Saz, Néstor (Universidad de Concepción. Departamento de Botánica (Chile))
The interaction of the alternative oxidase (AOX) pathway with nutrient metabolism is important for understanding how respiration modulates ATP synthesis and carbon economy in plants under nutrient deficiency. [...]
2020 - 10.3390/ijms21124201
International journal of molecular sciences, Vol. 21, Issue 12 (June 2020) , art. 4201
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45 p, 1.4 MB |
The Lack of Mitochondrial Thioredoxin TRXo1 Affects In Vivo Alternative Oxidase Activity and Carbon Metabolism under Different Light Conditions
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Florez-Sarasa, Igor (Centre de Recerca en Agrigenòmica) ;
Obata, Toshihiro (Max-Planck-Institut für molekulare Pflanzenphysiologie) ;
Fernández Del-Saz, Néstor (Universitat de les Illes Balears) ;
Reichheld, Jean-Philippe (Laboratoire Génome et Développement des Plantes) ;
Meyer, Etienne H. (Max-Planck-Institut für molekulare Pflanzenphysiologie) ;
Rodríguez Concepción, Manuel (Centre de Recerca en Agrigenòmica) ;
Ribas Carbó, Miquel (Universitat de les Illes Balears) ;
Fernie, Alisdair (Max Planck Institute of Molecular Plant Physiology)
The alternative oxidase (AOX) constitutes a nonphosphorylating pathway of electron transport in the mitochondrial respiratory chain that provides flexibility to energy and carbon primary metabolism. Its activity is regulated in vitro by the mitochondrial thioredoxin (TRX) system which reduces conserved cysteines residues of AOX. [...]
2019 - 10.1093/pcp/pcz123
Plant & cell physiology, Vol. 60, issue 11 (Nov. 2019) , p. 2369-2381
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10.
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32 p, 304.8 KB |
Coordinated responses of mitochondrial antioxidative enzymes, respiratory pathways and metabolism in Arabidopsis thaliana thioredoxin trxo1 mutants under salinity
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Sánchez Guerrero, Antonio (CEBAS-CSIC) ;
Fernández Del-Saz, Néstor (Universitat de les Illes Balears) ;
Florez-Sarasa, Igor (Centre de Recerca en Agrigenòmica) ;
Ribas Carbó, Miquel (Universitat de les Illes Balears) ;
Fernie, Alisdair (Max Planck Institute of Molecular Plant Physiology) ;
Jiménez, Ana (CEBAS-CSIC) ;
Sevilla, Francisca (CEBAS-CSIC)
Plant cells suffer alterations of their redox state and increase mitochondrial ROS generation during salinity. To avoid this, they activate several mitochondrial antioxidant and redox systems including the alternative oxidase (AOX), superoxide dismutase (SOD) and the ascorbate-glutathione (ASC-GSH) cycle components in a coordinated manner. [...]
2019 - 10.1016/j.envexpbot.2019.02.026
Environmental and experimental botany, Vol. 162 (June 2019) , p. 212-222
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