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Aislamiento y caracterización de regiones promotoras de girasol para dirigir la expresión tejido específica de genes foráneos a semilla
Zavallo, Diego (Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, 2014-04)Desde el inicio de la utilización de variedades transgénicas, la superficie agrobiotecnológica ha aumentado exponencialmente, con un incremento del orden de 80 veces en solo 14 años, y su uso se ha expandido a más de veinte ... -
Análisis de la variabilidad genética mediante marcadores ISSR en Calibrachoa
Perez De La Torre, Mariana (Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, 2011)El género Calibrachoa, de considerable importancia como cultivo ornamental, debido a la variabilidad y vistosidad de sus flores, pertenece a la familia Solanaceae. Históricamente, las especies de Calibrachoa eran incluidas ... -
Análisis genómico de girasol: desarrollo de colecciones de ESTs y de una plataforma bioinformática para estudios de expresión de genes candidato en respuestas a estreses abióticos
Fernandez, Paula Del Carmen (Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, 2006)El girasol es uno de los principales cultivos oleaginosos del mundo por su volumen de producción y composición en ácidos grasos insaturados. En promedio, durante los últimos cinco años, la producción mundial se ha mantenido ... -
Association mapping in sunflower for sclerotinia head rot resistance
Fusari, Corina Mariana; Di Rienzo, Julio A.; Troglia, Carolina Beatriz; Nishinakamasu, Veronica; Moreno, Maria Valeria; Maringolo, Carla Andrea; Quiroz, Facundo Jose; Alvarez, Daniel; Escande, Alberto; Hopp, Horacio Esteban; Heinz, Ruth Amelia; Lia, Veronica Viviana; Paniego, Norma Beatriz (BMC, 2012-06)Background: Sclerotinia Head Rot (SHR) is one of the most damaging diseases of sunflower in Europe, Argentina, and USA, causing average yield reductions of 10 to 20 %, but leading to total production loss under favorable ... -
Association mapping to identify molecular markers associated with resistance genes to stink bugs in soybean
Ghione, Celina Elena; Lombardo, Lucio; Vicentin, Ignacio Gabriel; Heinz, Ruth Amelia (Springer, 2021-02)Damage generated by insects is one of main restricting factors for soybean production. Stink bugs are a great threat within pests because, by feeding mainly on pods, they cause direct and irreversible damage to developing ... -
Desarrollo de una población multiparental como fuente de nuevos recursos genéticos para el mejoramiento de girasol
Dominguez, Matías; Filippi, Carla Valeria; Montecchia, Juan Francisco; Fass, Monica Irina; Palifermo, F.N.; Quiroz, Facundo Jose; Alvarez, Daniel; Heinz, Ruth Amelia; Gonzalez, Julio Horacio; Paniego, Norma Beatriz (Asociación Argentina de Girasol (ASAGIR), 2019-07)En este trabajo se presentan avances del desarrollo de una población multi-parental (PMP) de tipo MAGIC (Multiple Advanced Generation Intercrosses) en el contexto del programa de mejoramiento de girasol de INTA para ... -
Development, characterization and experimental validation of a cultivated sunflower (Helianthus annuus L.) gene expression oligonucleotide microarray
Fernandez, Paula Del Carmen; Soria, Marcelo Abel; Blesa, David; Di Rienzo, Julio A.; Moschen, Sebastian Nicolas; Rivarola, Maximo Lisandro; Clavijo, Bernardo; Gonzalez, Sergio; Peluffo, Lucila; Principi, Dario; Dosio, Guillermo; Aguirrezabal, Luis; García-García, Francisco; Conesa, Ana; Hopp, Horacio Esteban; Dopazo, Joaquín; Heinz, Ruth Amelia; Paniego, Norma Beatriz (PLOS One, 2012-10)Oligonucleotide-based microarrays with accurate gene coverage represent a key strategy for transcriptional studies in orphan species such as sunflower, H. annuus L., which lacks full genome sequences. The goal of this study ... -
Exploring gene networks in two sunflower lines with contrasting leaf senescence phenotype using a system biology approach
Moschen, Sebastian; Marino, Johanna; Nicosia, Salvador; Higgins, Janet; Alseekh, Saleh; Astigueta, Francisco; Bengoa Luoni, Sofia Ailin; Rivarola, Maximo Lisandro; Fernie, Alisdair R.; Blanchet, Nicolas; Langlade, Nicolas B.; Paniego, Norma Beatriz; Fernandez, Paula Del Carmen; Heinz, Ruth Amelia (BMC, 2019-10)Background: Leaf senescence is a complex process, controlled by multiple genetic and environmental variables. In sunflower, leaf senescence is triggered abruptly following anthesis thereby limiting the capacity of plants ... -
Exploring sunflower responses to Sclerotinia head rot at early stages of infection using RNA‑seq analysis
Fass, Monica Irina; Rivarola, Maximo Lisandro; Ehrenbolger, Guillermo Federico; Maringolo, Carla Andrea; Montecchia, Juan Francisco; Quiroz, Facundo Jose; García‑García, Francisco; Dopazo Blázquez, Joaquín; Hopp, Horacio Esteban; Heinz, Ruth Amelia; Paniego, Norma Beatriz; Lia, Veronica Viviana (Springer Nature, 2020-08)Sclerotinia head rot (SHR), caused by the necrotrophic fungus Sclerotinia sclerotiorum, is one of the most devastating sunflower crop diseases. Despite its worldwide occurrence, the genetic determinants of plant resistance ... -
Genetic characterization of sunflower breeding resources from Argentina: assessing diversity in key open-pollinated and composite populations
Moreno, Maria Valeria; Nishinakamasu, Veronica; Loray, M.A.; Alvarez, Daniel; Gieco, Jorge Omar; Hopp, Horacio Esteban; Heinz, Ruth Amelia; Paniego, Norma Beatriz; Lia, Veronica Viviana (Cambridge University Press, 2013-03-25)Open-pollinated (OPs) and composite populations (CPs) represent a valuable resource for sunflower breeding programmes. However, little is known about the levels and distribution of genetic variation within each of these ... -
Identificación de genes y/o alelos que determinan el tiempo a floración y la longitud de distintas fases del periodo reproductivo en soja a través de mapeo asociativo
Vicentin, Ignacio Gabriel (Universidad Nacional de Rosario, 2022)La soja es una planta anual con respuesta cuantitativa a días cortos, ampliamente cultivada en el mundo y uno de los principales cultivos en la Argentina por sus múltiples usos. En los últimos años el cambio climático ha ... -
Identificación y caracterización funcional de genes candidatos asociados a la senescencia foliar en girasol basado en perfiles transcripcionales y metabólicos
Moschen, Sebastian (Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, 2014)El proceso de senescencia en plantas es un mecanismo complejo controlado por múltiples variables genéticas y ambientales que condicionan el rendimiento de los cultivos. En el caso del girasol, el segundo cultivo oleaginoso ... -
Identification and characterization of contrasting sunflower genotypes to early leaf senescence process combining molecular and physiological studies (Helianthus annuus L.)
López Gialdi, A.I.; Moschen, Sebastian Nicolas; Villán, C.S.; López Fernández, María Paula; Maldonado, Sara Beatriz; Paniego, Norma Beatriz; Heinz, Ruth Amelia; Fernandez, Paula Del Carmen (2016)Leaf senescence is a complex mechanism ruled by multiple genetic and environmental variables that affect crop yields. It is the last stage in leaf development, is characterized by an active decline in photosynthetic rate, ... -
Identification and expression analysis of NAC transcription factors potentially involved in leaf and petal senescence in Petunia hybrida
Trupkin, Santiago Ariel; Astigueta, Francisco H.; Baigorria, Amilcar Hernan; Garcia, Martin Nahuel; Delfosse, Veronica Cecilia; González, Sergio A.; Perez De La Torre, Mariana; Moschen, Sebastian; Lia, Veronica Viviana; Fernandez, Paula Del Carmen; Heinz, Ruth Amelia (Elsevier, 2019-10)Progression of leaf senescence depends on several families of transcription factors. In Arabidopsis, the NAC family plays crucial roles in the modulation of leaf senescence; however, the mechanisms involved in this ... -
Identification of candidate genes associated with leaf senescence in cultivated sunflower (Helianthus annuus L.)
Moschen, Sebastian; Bengoa Luoni, Sofia Ailin; Paniego, Norma Beatriz; Hopp, Horacio Esteban; Dosio, Guillermo Aníbal Adrián; Fernandez, Paula Del Carmen; Heinz, Ruth Amelia (PLOS, 2014)Cultivated sunflower (Helianthus annuus L.), an important source of edible vegetable oil, shows rapid onset of senescence, which limits production by reducing photosynthetic capacity under specific growing conditions. ... -
Identification of Molecular Markers and Candidate Genes Associated with Time to Flowering and Length of Reproductive Period in Soybean Through Association Mapping
Vicentin, Ignacio Gabriel; Ghione, Celina Elena; Cuatrin, Alejandra; Gilli, Javier Ramon; Bernardi, Clarisa Noelia; De Lucia, Adrían Darío; Heinz, Ruth Amelia (Springer, 2023-06)Adaptation to temporal stress can be achieved by modifying flowering time and lengthening the reproductive period. To identify genotypes, molecular markers, and genes related with these traits, a set of 94 soybeans were ... -
Integrating transcriptomic and metabolomic analysis to understand natural leaf senescence in sunflower
Moschen, Sebastian; Gonzalez, Sergio Alberto; Rivarola, Maximo Lisandro; Hopp, Horacio Esteban; Paniego, Norma Beatriz; Fernandez, Paula del Carmen; Heinz, Ruth Amelia; Bengoa Luoni, Sofia Ailin; Di Rienzo, Julio A.; Caro, María del Pilar; Tohge, Takayuki; Watanabe, Mutsumi; Hollmann, Julien; García-García, Francisco; Dopazo, Joaquín; Hoefgen, Rainer; Fernie, Alisdair R. (2016)Leaf senescence is a complex process, which has dramatic consequences on crop yield. In sunflower, gap between potential and actual yields reveals the economic impact of senescence. Indeed, sunflower plants are incapable ... -
Integration of transcriptomic and metabolic data reveals hub transcription factors involved in drought stress response in sunflower (Helianthus annuus L.)
Moschen, Sebastian Nicolas; Di Rienzo, Julio A.; Higgins, Janet; Tohge, Takayuki; Watanabe, Mutsumi; Gonzalez, Sergio Alberto; Rivarola, Maximo Lisandro; García-García, Francisco; Dopazo, Joaquín; Hopp, Horacio Esteban; Hoefgen, Rainer; Fernie, Alisdair R.; Paniego, Norma Beatriz; Fernandez, Paula Del Carmen; Heinz, Ruth Amelia (2017-07)Drought is one of the most important environmental stresses that effects crop productivity in many agricultural regions. Sunflower is tolerant to drought conditions but the mechanisms involved in this tolerance remain ... -
Main and epistatic QTL analyses for Sclerotinia Head Rot resistance in sunflower
Zubrzycki, Jeremias Enrique; Maringolo, Carla Andrea; Filippi, Carla Valeria; Quiroz, Facundo Jose; Nishinakamasu, Veronica; Puebla, Andrea Fabiana; Di Rienzo, Julio Alejandro; Escande, Alberto; Lia, Veronica Viviana; Heinz, Ruth Amelia; Hopp, Horacio Esteban; Cervigni, Gerardo Domingo Lucio; Paniego, Norma Beatriz (PLOS, 2017-12)Sclerotinia Head Rot (SHR), a disease caused by Sclerotinia sclerotiorum, is one of the most limiting factors in sunflower production. In this study, we identified genomic loci associated with resistance to SHR to support ... -
Network and biosignature analysis for the integration of transcriptomic and metabolomic data to characterize leaf senescence process in sunflower
Moschen, Sebastian Nicolas; Higgins, Janet; Di Rienzo, Julio A.; Heinz, Ruth Amelia; Paniego, Norma Beatriz; Fernandez, Paula Del Carmen (2016)In recent years, high throughput technologies have led to an increase of datasets from omics disciplines allowing the understanding of the complex regulatory networks associated with biological processes. Leaf senescence ...