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Listar por autor "Mercado-Carmona, José Ángel"
Mostrando ítems 1-20 de 36
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A core collection of modified strawberry germplasm as a resource tool for funghi infection and fruit texture studies
Pineda, Hugo; Pose-Albacete, Sara; Paniagua Correas, Candelas; García-Gago, Juan Antonio; Pliego-Alfaro, Fernando; Quesada-Felice, Miguel Ángel; Mercado-Carmona, José Ángel; Matas-Arroyo, Antonio Javier[et al.] (2013-09-24)Strawberry has been extensively used as a model organism for functional genomics of genes related with fungi infection (Amil-Ruiz et al, 2011) and fruit ripening, specially fruit texture (Posé et al, 2011). These studies ... -
AFM study of strawberry pectin nanostructure and its relevance on fruit texture
Pose-Albacete, Sara; Santiago-Doménech, Nieves; Matas-Arroyo, Antonio Javier; Kirby, AR; Gunning, A. Patrick; Morris, Victor J.; Quesada-Felice, Miguel Ángel; Mercado-Carmona, José Ángel; Paniagua Correas, Candelas[et al.] (2018-10-17)Atomic force microscopy (AFM) has been used to characterize the nanostructure of cell wall pectins during strawberry fruit growth and ripening, as well as in transgenic fruits with pectinase genes downregulated. This ... -
Agrobacterium-mediated transformation of olive (Olea europaea L.) with an antifungal protein from Aspergillus giganteus.
Titouh, Khayreddine; Vidoy-Mercado, Isabel; Pliego-Prieto, Clara; Barceló-Muñoz, Araceli; San Segundo, Blanca; Cerezo Medina, Sergio; Mercado-Carmona, José Ángel; Pliego-Alfaro, Fernando[et al.] (2014-10-01)Broad-spectrum resistance to pests and diseases is difficult to obtain through classical breeding programs, hence, this is a targeted trait for accelerating the development of major olive cultivars using plant trans- ... -
Análisis comparativo de la estabilidad genética en brotes de olivo obtenidos mediante organogénesis axilar o vía embriogénesis somática
Narváez Jurado, Isabel; Ben Mariem, Sinda; Palomo-Ríos, Elena; Mercado-Carmona, José Ángel; Martín, Carmen; Plegeo-Alfaro, Fernando[et al.] (2021-09)El cultivo de tejidos vegetales in vitro puede inducir alteraciones en las células, lo que se conoce como variación somaclonal (Larkin y Scowcroft, 1981, TAG, 60, 197-214). Estas alteraciones pueden ser útiles como fuente ... -
Caracterización de variantes somaclonales de olivo obtenidos tras la exposición al filtrado crudo del hongo Rosellinia necatrix.
Pliego, Clara; Narváez Jurado, Isabel; Moreno-Pérez, Ana; Mercado-Carmona, José Ángel; Pliego-Alfaro, Fernando; Palomo-Ríos, Elena[et al.] (Edicions i Publicacions de la Universitat de Lleida, 2023, 2023)Líneas embriogénicas de olivo tolerantes al filtrado crudo (FC) del hongo Rosellinia necatrix, un patógeno muy extendido por el sur de España y que afecta al aguacate y al olivo, fueron previamente obtenidas (Palomo-Ríos ... -
Cell wall disassembly is delayed by rhamnogalacturonate lyase gene silencing: potential role in fruit firmness
Pose-Albacete, Sara; Ric-Varas, P.; Schückel, J.; Molina-Hidalgo, F.J.; Blanco-Portales, Rosario; Muñoz-Blanco, Juan; Knox, P.; Matas-Arroyo, Antonio Javier; Quesada-Felice, Miguel Ángel; Mercado-Carmona, José Ángel[et al.] (2019-07-23)Strawberry fruits greatly reduce their quality due to softening during ripening with economically important losses. Texture changes of fleshy fruits during ripening are mainly due to middle lamellae dissolution, cell-to-cell ... -
Down-regulation of a pectin acetylesterase gene modifies strawberry fruit cell wall pectin stracture and increases fruit firmness
Matas-Arroyo, Antonio Javier; Rodríquez, Virginia; Sánchez, Luis; Paniagua Correas, Candelas; Pose-Albacete, Sara; García-Gago, Juan Antonio; Blanco-Portales, Rosario; Muñoz-Blanco, Juan; Mercado-Carmona, José Ángel[et al.] (2015-06-29)Antisense-mediated down-regulation of several fruit-specific genes has previously demonstrated how the cell wall disassembly in strawberry fruit is mediated by a series of enzymes that act sequentially (Posé et al. 2011). ... -
Downregulation of NAC transcription factors modifies cell wall composition and increases strawberry fruit firmness
Ric-Varas, Pablo; Pose-Albacete, Sara; López-Casado, Gloria; Marcus, S.E.; Knox, P.; Blanco-Portales, Rosario; Moyano, E.; Muñoz-Blanco, Juan; Matas-Arroyo, Antonio Javier; Mercado-Carmona, José Ángel[et al.] (2019-07-23)The strawberry is a soft fruit with a very short post-harvest shelf life. The changes in texture during fruit ripening are mainly due to the dissolution of the middle lamellae, reducing cell-to-cell adhesion, and the ... -
Efecto del silenciamiento de genes que codifican poligalacturonasas sobre el reblandecimiento del fruto de fresa asociado a la maduración
Paniagua Correas, Candelas; García-Gago, Juan Antonio; Matas-Arroyo, Antonio Javier; Barceló-Muñoz, Marta; Blanco-Portales, Rosario; Muñoz-Blanco, Juan; Pliego-Alfaro, Fernando; Quesada-Felice, Miguel Ángel; Mercado-Carmona, José Ángel[et al.] (2015-10-06)La degradación de las pectinas de la pared celular mediada por poligalacturonasas juega un papel clave en el reblandecimiento de la fresa. Así, el silenciamiento del gen FaPG1 incrementa la firmeza del fruto maduro y alarga ... -
Enhancing shoot recovery from transgenic avocado somatic embryos
Palomo-Ríos, Elena; Vidoy-Mercado, Isabel; Barceló-Muñoz, Araceli; Mercado-Carmona, José Ángel; Pliego-Alfaro, Fernando (International Society for Horticultural Science, 2013-06-02)Use of biotechnological tools in avocado (Persea americana Mill.) is hampered by difficulties in obtaining mature somatic embryos with an acceptable germination capacity. Use of semi-permeable cellulose acetate membranes ... -
Evaluación del efecto del filtrado crudo del hongo Rosellinia necatrix en el crecimiento de brotes y cultivos embriogénicos de olivo
Palomo-Ríos, Elena; Peláez, Almudena; Cerezo Medina, Sergio; Khayreddine, Titouh; López-Herrera, Carlos; Mercado-Carmona, José Ángel; Pliego-Alfaro, Fernando[et al.] (Fundación General de la Universidad de Alcalá, 2017)Rosellinia necatrix es un patógeno muy extendido en plantaciones de aguacate del sur de la Península Ibérica, afectando también, ocasionalmente, a plantaciones de olivo. Nuestro grupo está abordando la obtención de variantes ... -
Expression analysis of Flowering related genes in olive plants transformed with the "Medicago truncatula" FT gene MtFTa1
Guerrero-Ruiz, Consolación María; Mercado-Carmona, José Ángel; Samach, Alon; Pliego-Alfaro, Fernando; Palomo-Ríos, Elena (2020-12-15)Olive tree (Olea europaea L.) forms inflorescences in lateral buds that flower in spring. Flowering occurs due to the presence of a mobile flower-promoting factor called florigen, the product of “FLOWERING LOCUS T” (FT). ... -
Fruit cell culture as a model system to study cell wall changes during strawberry fruit ripening
Ric-Varas, Pablo; Rivera, Juan A.; Cerezo Medina, Sergio; Quesada-Felice, Miguel Ángel; Matas-Arroyo, Antonio Javier; Mercado-Carmona, José Ángel[et al.] (2016-07-01)Strawberry (Fragaria x ananassa, Duch.) fruit is characterized by its fast ripening and soft texture at the ripen stage, resulting in a short postharvest shelf life and high economic losses. It is generally believed that ... -
Heterologous expression of AtNPR1 gene in olive for increasing fungal tolerance
Pliego-Prieto, Clara; Jiménez-Díaz, Rafael; Trapero-Casas, Jose L.; López-Herrera, Carlos; Arjona-López, Jose M.; Mercado-Carmona, José Ángel; Fresta, Louis; Narváez Jurado, Isabel; Pliego-Alfaro, Fernando[et al.] (2018-10-29)The NPR1 gene encodes a key component of SAR signaling mediated by salicylic acid (SA). After a pathogen infection, the accumulation of SA releases NPR1 monomers in the cytosol that are translocated to the nucleus, activating ... -
High-throughput mapping of cell wall glycans to unveil cell wall disassembly, a key process determining strawberry fruit softening
Ric-Varas, Pablo; López-Casado, Gloria; Schukel, Julia; Knox, J. Paul; Muñoz-Blanco, Juan; Matas-Arroyo, Antonio Javier; Mercado-Carmona, José Ángel; Pose-Albacete, Sara[et al.] (ISHS, 2021-05-03)The short shelf life of strawberry fruit is a major limitation that produces important economic losses related to postharvest spoiling. Fruit texture of fleshy fruits is a complex trait but mainly rely on mechanical ... -
Isolation and transfection of strawverry protoplasts for gene editing
Sánchez-Raya, Cristina; López-Casado, Gloria; Blanco-Portales, Rosario; Pose-Albacete, Sara; Matas, Antonio J.; Mercado-Carmona, José Ángel[et al.] (2021)Strawberry is the most economically important soft fruit. The improvement of the organoleptic qualities of ripe fruit and the postharvest shelf life are main objectives of strawberry breeding programs. Fruit softening is ... -
Nanostructural changes in cell wall pectins during strawberry fruit ripening assessed by atomic force microscopy
Paniagua Correas, Candelas; Kirby, Andrew R.; Gunning, A. Patrick; Morris, Victor J.; Matas-Arroyo, Antonio Javier; Quesada-Felice, Miguel Ángel; Mercado-Carmona, José Ángel[et al.] (2015-06-26)Rapid loss of firmness occurs during strawberry (Fragaria × ananassa Duch) ripening, resulting in a short shelf life and high economic losses. The disassembly of cell walls is considered the main responsible for fruit ... -
Nanostructural differences in pectic polymers isolated from strawberry fruits with low expression levels of pectate lyase or polygalacturonase genes
Pose-Albacete, Sara; Paniagua Correas, Candelas; Kirby, Andrew; Mercado-Carmona, José Ángel; Morris, Victor J.; Quesada-Felice, Miguel Ángel[et al.] (2013)Our research group has obtained transgenic strawberry plants expressing antisense sequences of either a pectate lyase (APEL lines) [1] or a polygalacturonase gene (APG lines) [2]. Both genes encode ripening-specific ... -
Obtención de plantas compuestas de olivo mediante transformación con Agrobacterium rhizogenes
Palomo-Ríos, Elena; Narváez Jurado, Isabel; Yébenes, Marina; Gouffi, Naima; Zumaquero, Adela; Pliego-Prieto, Clara; Mercado-Carmona, José Ángel; Pliego-Alfaro, Fernando[et al.] (2019-10-04)La transformación con Agrobacterium rhizogenes ha sido utilizada como herramienta para estudios de genómica funcional en raíces (Collier et al. 2005 Plant Journal 43:449-457; Baranski et al. 2006 Plant Cell Reports ... -
Obtención de plantas de olivo tetraploides mediante tratamientos con colchicina
Ribalta-Campos, Laia; Narváez Jurado, Isabel; Palencia, Fernando; Mercado-Carmona, José Ángel; Palomo-Ríos, Elena; Plegeo-Alfaro, Fernando[et al.] (2021-09)La mejora genética del olivo (Olea europaea) es crucial para satisfacer la creciente demanda de aceite de oliva a nivel mundial. El objetivo de esta investigación ha sido la inducción de poliploidía en callo embriogénico, ...