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Mostrando ítems 1-15 de 15

    • A tomato tocopherol-binding protein sheds light on intracellular a-tocopherol metabolism in plants 

      Bermudez Salazar, Luisa; del Pozo, Talía; Lira, Bruno Silvestre; Godoy, Fabiana de; Boos, Irene; Romano, Cecilia; Previtali, Viola; Almeida, Juliana; Brehelin, Claire; Asis, Ramón; Quadrana, Leandro Daniel; Demarco, Diego; Alseekh, Saleh; Salinas Gamboa, Rigel; Perez-Flores, Laura; Dominguez, Pia Guadalupe; Rothan, Christophe; Fernie, Alisdair R.; Gonzalez, Maurıcio; Stocker, Achim; Hemmerle, Andreas; Clausen, Mads Hartving; Carrari, Fernando; Rossi, Magdalena (Oxford University Press, 2018-11)
      Tocopherols are non-polar compounds synthesized in the plastids, which function as major antioxidants of the plant cells and are essential in the human diet. Both the intermediates and final products of the tocopherol ...

    • Allelic differences in a vacuolar invertase affect Arabidopsis growth at early plant development 

      Coluccio Leskow, Carla; Dominguez, Pia Guadalupe; Díaz Zirpolo, José Antonio; Obata, Toshihiro; Kamenetzky, Laura; Costa, Hernán; Taboga, Oscar Alberto; Marti, Hector Ruben; Keurentjes, Joost; Sulpice, Ronan; Ishihara, Hirofumi; Stitt, Mark; Fernie, Alisdair R.; Carrari, Fernando (2016)
      Improving carbon fixation in order to enhance crop yield is a major goal in plant sciences. By quantitative trait locus (QTL) mapping, it has been demonstrated that a vacuolar invertase (vac-Inv) plays a key role in ...

    • Análisis funcional del factor de transcripción ASR1 desde una perspectiva metabólica, fisiológica y molecular en plantas de tabaco y tomate 

      Dominguez, Pia Guadalupe (Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, 2014-11)
      La familia de genes Asr (ABA, stress, ripening) está implicada en las vías de respuestas generales a estrés y en el control del transporte de hexosas. Para profundizar en el estudio funcional del parálogo ASR1 en Solanáceas, ...

    • ASR1 transcription factor and its role in metabolism 

      Dominguez, Pia Guadalupe; Carrari, Fernando (Taylor & Francis, 2015-03)
      Asr1 (ABA, stress, ripening) is a plant gene widely distributed in many species which was discovered by differential induction levels in tomato plants subjected to drought stress conditions. ASR1 also regulates the expression ...

    • Caracterización bioquímica de razas nativas de maíz de Argentina en ensayos de jardín común 

      Dudzien, Tatiana L.; Defacio, Raquel Alicia; Paniego, Norma Beatriz; Lia, Verónica V.; Dominguez, Pia Guadalupe (Instituto Nacional de Tecnología Agropecuaria (INTA), 2024-11)
      En Argentina existen alrededor de 60 razas nativas de maíz (Zea mays ssp. mays), con dos centros principales de diversidad en las regiones andina y chaqueña-mesopotámica. Estas razas nativas presentan una alta diversidad ...

    • Characterisation of maize landraces from Argentina at the phenotypic and biochemical levels 

      Dudzien, Tatiana; Defacio, Raquel Alicia; Paniego, Norma Beatriz; Lia, Veronica Viviana; Dominguez, Pia Guadalupe (Sociedad Argentina de Fisiología Vegetal, 2023-09)
      In Argentina, there are about 60 maize (Zea mays ssp. mays) landraces, with two main diversity centers in the Andean and Mesopotamian-Chaco plain regions. These landraces show high genetic diversity, which makes them a ...

    • Estudio de la diversidad fenotípica y adaptación local en maíces nativos del norte argentino 

      Freilij, Damián; Defacio, Raquel Alicia; Heck, Mónica Isabel; Salve, Diego Antonio; Antonietta, Mariana; Fariza, Silvina Ines; De Lucia, Adrían Darío; Ferreyra, Mariana; Paniego, Norma Beatriz; Dominguez, Pia Guadalupe; Lia, Veronica Viviana (Instituto Nacional de Tecnología Agropecuaria (INTA), 2024-11)
      La región norte de Argentina alberga más de 60 variedades nativas de maíz estructuradas geográficamente en dos grupos genéticos principales de gran variabilidad fenotípica: los maíces andinos de altura, del noroeste (NOA), ...

    • Genome-wide data (ChIP-seq) enabled identification of cell wall-related and aquaporin genes as targets of tomato ASR1, a drought stress-responsive transcription factor 

      Ricardi, Martiniano María; González, Rodrigo Matías; Silin, Zhong; Dominguez, Pia Guadalupe; Duffy, Tomas; Turjanski, Pablo Guillermo; Salgado Salter, Juan David; Alleva, Karina Edith; Carrari, Fernando; Giovannoni, James J.; Estevez, Jose Manuel; Iusem, Norberto Daniel (BMC, 2014-01)
      Background: Identifying the target genes of transcription factors is important for unraveling regulatory networks in all types of organisms. Our interest was precisely to uncover the spectrum of loci regulated by a widespread ...

    • Genome-wide diversity in lowland and highland maize landraces from southern South America: population genetics insights to assist conservation 

      Dominguez, Pia Guadalupe; Gutierrez, Ángela Verónica; Fass, Monica Irinia; Filippi, Carla Valeria; Vera, Pablo; Puebla, Andrea; Defacio, Raquel Alicia; Paniego, Norma Beatriz; Lia, Veronica Viviana (BioRxiv, 2024-02)
      Maize (Zea mays ssp. mays L.) landraces are traditional American crops with high genetic variability that conform a source of original alleles for conventional maize breeding. Northern Argentina, one the southernmost regions ...

    • Mobile forms of carbon in trees : metabolism and transport 

      Dominguez, Pia Guadalupe; Niittylä, Totte (Oxford University Press, 2022-03)
      Plants constitute 80% of the biomass on earth, and almost two-thirds of this biomass is found in wood. Wood formation is a carbon (C)-demanding process and relies on C transport from photosynthetic tissues. Thus, understanding ...

    • Morphological diversity, selective signals and evidence of local adaptation in Argentinean maize landraces 

      Freilij, Damián; Defacio, Raquel Alicia; Heck, Mónica Isabel; Fariza, Silvina Ines; De Lucia, Adrían Darío; Ferreyra, Mariana Jimena; Paniego, Norma Beatriz; Dominguez, Pia Guadalupe; Lia, Veronica Viviana (Sociedad Argentina de Fisiología Vegetal, 2023-10)
      The northern region of Argentina is home to more than 60 native maize landraces, with two main genetic groups of high phenotypic variability: the high-altitude Andean landraces, present in northwestern Argentina (NWA), and ...

    • Multiomics analyses reveal the roles of the ASR1 transcription factor in tomato fruits 

      Dominguez, Pia Guadalupe; Conti, Gabriela; Duffy, Tomas; Insani, Ester Marina; Alseekh, Saleh; Asurmendi, Sebastian; Fernie, Alisdair R.; Carrari, Fernando (Oxford University Press, 2021-09)
      The transcription factor ASR1 (ABA, STRESS, RIPENING 1) plays multiple roles in plant responses to abiotic stresses as well as being involved in the regulation of central metabolism in several plant species. However, despite ...

    • Natural occurring epialleles determine vitamin E accumulation in tomato fruits 

      Quadrana, Leandro Daniel; Almeida de Souza, Juliana Beatriz; Asis, Ramón; Duffy, Tomas; Dominguez, Pia Guadalupe; Bermudez Salazar, Luisa; Conti, Gabriela; Silva, Junia V. Corrêa da; Peralta, Iris Edith; Colot, Vincent; Asurmendi, Sebastian; Fernie, Alisdair R.; Rossi, Magdalena; Carrari, Fernando Oscar (2014-07)
      Vitamin E (VTE) content is a low heritability nutritional trait for which the genetic determinants are poorly understood. Here, we focus on a previously detected major tomato VTE quantitative trait loci (QTL; mQTL9-2-6) ...

    • Tomato Abscisic Acid Stress ripening (ASR) gene family revisited 

      Golan, Ido; Dominguez, Pia Guadalupe; Konrad, Zvia; Shkolnik Inbar, Doron; Carrari, Fernando; Bar Zvi, Dudy (PLOS, 2014-10-13)
      Tomato ABSCISIC ACID RIPENING 1 (ASR1) was the first cloned plant ASR gene. ASR orthologs were then cloned from a large number of monocot, dicot and gymnosperm plants, where they are mostly involved in response to abiotic ...

    • Tomato quality during short-termstorage assessed by colour and electronic nose 

      Sancho, Ana Maria; Messina, Valeria; Dominguez, Pia Guadalupe; Walsöe de Reca, Noemi; Carrari, Fernando; Grigioni, Gabriela Maria (2011-11-27)
      An assay based on an electronic olfactory system was set to evaluate tomato fruits by sensing the aromatic volatiles during postharvest storage of 21 days at 19 ± 0.5◦C in darkness. Olfactory system measurements were coupled ...