WOX9 control by the DELLAs mediates salt tolerance and root hair differentiation in arabidopsis

Tesis Doctoral inédita leída en la Universidad Autónoma de Madrid, Facultad de Ciencias, Departamento de Biología Molecular. Fecha de lectura: 04-11-2016Esta tesis tiene embargado el acceso al texto completo hasta el 04-05-201

Inserción laboral de los egresados en Relaciones Laborales y Recursos Humanos. Especial atención a las técnicas informales de acceso al empleo.

El trabajo examina los distintos métodos de acceso al empleo para los graduados en Relaciones Laborales y Recursos Humanos, haciendo hincapié en las técnicas informales de acceso al empleo. Estudia la percepción que tienen los futuros egresados del grado sobre la utilidad de los métodos de acceso al empleo y los pone en relación con su utilidad real. El trabajo también analiza la inversión que han realizado los estudiantes en capital social para facilitar su inclusión en el mercado laboral durante el periodo universitario. Demostrando la importancia de las técnicas informales de acceso al empleo y la necesidad de fomentar la inversión en redes sociales de los estudiantes de grado.<br /

Controlled atmosphere pallets to extend the shelf-life of Calanda peaches

Calanda peaches have achieved great prestige in European markets because of their size, firmness and sweetness. However, apart from maintaining current markets by offering a high-quality product, further research is needed to improve their shelf-life in order to reach more distant markets. Thus, the effects of controlled atmosphere (CA) pallets at O2:CO2 concentrations of, 10:10, 5:10 and 2:10%, on the quality and shelf-life of Calanda ‘Calante’ peaches were studied. Physico-chemical parameters, ethanol and acetaldehyde production, decay percentage, chilling injury development and sensory evaluation were determined four times every 2 weeks of cold storage and shelf-life. Also, gas chromatography-olfactometry was conducted to detect off-flavours. Peaches stored at ambient atmosphere at 1°C promptly developed symptoms of chilling injury that became severe on day 28. All the CA conditions delayed ripening and prevented chilling injury with the best sensory results obtained for peaches stored at 2% O2:10% CO2. Although an increase in the production of ethanol and acetaldehyde was detected from day 14 onwards, this did not affect the quality of the fruit that was excellent after 56 days at 1°C plus a shelf-life period of 1 day at 20°C

Daily sitting for long periods increases the odds for subclinical atheroma plaques

Sedentarism is a risk factor for cardiovascular disease (CVD), but currently it is not clear how a sedentary behavior such as long sitting time can affect atherosclerosis development. This study examined the relationship between sitting time and the prevalence of carotid and femoral subclinical atherosclerosis. A cross-sectional analysis based on a subsample of 2082 participants belonging to the Aragon Workers’ Health Study was carried out. Ultrasonography was used to assess the presence of plaques in carotid and femoral territories; the validated Spanish version of the questionnaire on the frequency of engaging in physical activity used in the Nurses’ Health Study and the Health Professionals’ was used to assess physical activity and sitting time; and demographic, anthropometric, and clinical data were obtained by trained personnel during the annual medical examination. Participants were categorized into <9 h/day and ≥9 h/day sitting time groups. After adjusting for several confounders, compared with participants that remain seated <9 h/day, those participants who remain seated ≥9 h/day had, respectively, OR = 1.25 (95%CI: 1.01, 1.55, p < 0.05) and OR = 1.38 (95%CI: 1.09, 1.74, p < 0.05) for carotid and any-territory plaque presence. Remaining seated ≥9 h/day is associated with higher odds for carotid and any-territory plaque presence independently of physical activity levels and other cardiovascular risk factors

Multifaceted role of cycling DOF factor 3 (CDF3) in the regulation of flowering time and abiotic stress responses in Arabidopsis

[EN] DNA-binding with one finger (DOF)-type transcription factors are involved in many fundamental processes in higher plants, from responses to light and phytohormones to flowering time and seed maturation, but their relation with abiotic stress tolerance is largely unknown. Here, we identify the roles of CDF3, an Arabidopsis DOF gene in abiotic stress responses and developmental processes like flowering time. CDF3 is highly induced by drought, extreme temperatures and abscisic acid treatment. The CDF3 T-DNA insertion mutant cdf3-1 is much more sensitive to drought and low temperature stress, whereas CDF3 overexpression enhances the tolerance of transgenic plants to drought, cold and osmotic stress and promotes late flowering. Transcriptome analysis revealed that CDF3 regulates a set of genes involved in cellular osmoprotection and oxidative stress, including the stress tolerance transcription factors CBFs, DREB2A and ZAT12, which involve both gigantea-dependent and independent pathways. Consistently, metabolite profiling disclosed that the total amount of some protective metabolites including -aminobutyric acid, proline, glutamine and sucrose were higher in CDF3-overexpressing plants. Taken together, these results indicate that CDF3 plays a multifaceted role acting on both flowering time and abiotic stress tolerance, in part by controlling the CBF/DREB2A-CRT/DRE and ZAT10/12 modules.We thank Dr Pablo Gonzalez-Melendi and Dr Jan Zouhar for technical handling of the confocal microscope and Dr Rafael Catala for the assistance with the low temperature stress assays. This work was supported by grants from Instituto Nacional de Investigacion y Tecnologia Agraria y Alimentaria (INIA; projects 2009-0004-C01, 2012-0008-C01), Spanish Ministry of Science and Innovation (projects BIO2010-1487, BFU2013-49665-EXP). A.R.C. and J.D.F. were supported by INIA pre-doctoral fellowshipsCorrales, AR.; Carrillo, L.; Lasierra, P.; Nebauer, SG.; Dominguez-Figueroa, J.; Renau-Morata, B.; Pollmann, S.... (2017). Multifaceted role of cycling DOF factor 3 (CDF3) in the regulation of flowering time and abiotic stress responses in Arabidopsis. Plant Cell & Environment. 40(5):748-764. https://doi.org/10.1111/pce.12894S748764405Achard, P., Gong, F., Cheminant, S., Alioua, M., Hedden, P., & Genschik, P. (2008). The Cold-Inducible CBF1 Factor–Dependent Signaling Pathway Modulates the Accumulation of the Growth-Repressing DELLA Proteins via Its Effect on Gibberellin Metabolism. The Plant Cell, 20(8), 2117-2129. doi:10.1105/tpc.108.058941Ahuja, I., de Vos, R. C. H., Bones, A. 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Cuentos deseducativos

Seleccionado en la convocatoria: Ayudas a la innovación e investigación educativa en centros docentes de niveles no universitarios, Gobierno de Aragón 2010-2011Proyecto del colegio Vicente Ferrer Ramos cuyo eje central gira en torno al mundo de los cuentos populares, tomando como objeto la creación de un corto de cine sobre estos. Se analizan y se trabajan las estructuras de los cuentos y los personajes típicos que suelen aparecer en ellos, así como la historia de sus principales autores y la comparativa entre las diferentes versiones en que se puede encontrar. Posteriormente se trabaja el corto de cine, siendo el argumento un juicio a algunos personajes 'buenos' de cuentos. Los alumnos representan y caracterizan el corto que luego se postproduce en dvd.Gobierno de Aragón. Departamento de Educación, Cultura y DeporteAragónDirección General de Política Educativa; Avda. Gómez Laguna, 25, planta 2; 50009 Zaragoza; Tel. +34976715416; Fax +34976715496ES