autores
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Autores
Mostrando ítems 1-20 de 23
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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 ... -
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 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 ... -
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. ... -
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 ... -
On-field phenotypic evaluation of sunflower populations for broad-spectrum resistance to Verticillium leaf mottle and wilt
Montecchia, Juan Francisco; Fass, Monica Irina; Cerrudo, Ignacio; Quiroz, Facundo Jose; Nicosia, Salvador Maria; Maringolo, Carla Andrea; Di Rienzo, Julio A.; Troglia, Carolina Beatriz; Hopp, Horacio Esteban; Escande, Alberto; Gonzalez, Julio Horacio; Alvarez, Daniel; Heinz, Ruth Amelia; Lia, Veronica Viviana; Paniego, Norma Beatriz (Springer Nature, 2021-06)Sunflower Verticillium Wilt and Leaf Mottle (SVW), caused by Verticillium dahliae (Kleb.; Vd), is a soil-borne disease affecting sunflower worldwide. A single dominant locus, known as V1, was formerly effective in controlling ... -
Phenotyping sunflower genetic resources for Sclerotinia head rot response: assessing variability for disease resistance breeding
Filippi, Carla Valeria; Zubrzycki, Jeremias Enrique; Di Rienzo, Julio A.; Quiroz, Facundo Jose; Fusari, Corina Mariana; Alvarez, Daniel; Maringolo, Carla Andrea; Cordes, Diego Darío; Escande, Alberto; Hopp, Horacio Esteban; Heinz, Ruth Amelia; Lia, Veronica Viviana; Paniego, Norma Beatriz (The American Phytopathological Society, 2017-11)Sclerotinia head rot (SHR) is one of the most serious constraints to sunflower (Helianthus annuus L. var. macrocarpus) production worldwide. Here, we evaluated the response to SHR in a sunflower inbred panel from a large ... -
Population structure and genetic diversity characterization of a sunflower association mapping population using SSR and SNP markers
Filippi, Carla Valeria; Aguirre, Natalia Cristina; Rivas, Juan Gabriel; Zubrzycki, Jeremias Enrique; Puebla, Andrea Fabiana; Cordes, Diego Darío; Moreno, Maria Valeria; Fusari, Corina Mariana; Alvarez, Daniel; Heinz, Ruth Amelia; Hopp, Horacio Esteban; Paniego, Norma Beatriz; Lia, Veronica Viviana (BMC, 2015-02)Background: Argentina has a long tradition of sunflower breeding, and its germplasm is a valuable genetic resource worldwide. However, knowledge of the genetic constitution and variability levels of the Argentinean germplasm ... -
Seed dormancy QTL identification across a Sorghum bicolor segregating population
Cantoro, Renata; Fernandez, Luis German; Cervigni, Gerardo Domingo Lucio; Rodriguez, María V.; Gieco, Jorge Omar; Paniego, Norma Beatriz; Heinz, Ruth Amelia; Benech-Arnold, Roberto Luis (2016)Pre-harvest sprouting (PHS) in Sorghum bicolor is one of the main constrains for its production in the central region of Argentina, as grain maturation often coincides with rainy or high environmental humidity conditions. ... -
Structure and genetic diversity of three Calibrachoa caesia populations by ISSR markers
Perez De La Torre, Mariana; Escandon, Alejandro Salvio; Heinz, Ruth Amelia (ISHS, 2013-07)Calibrachoa caesia is one of thirteen native species of the genus Calibrachoa Cerv. ex La Lave et Lexarza (Solanaceae) growing in Argentina. The genus has a high ornamental value due to the morphological variability that ... -
Sunflower germin-like protein HaGLP1 promotes ROS accumulation and enhances protection against fungal pathogens in transgenic Arabidopsis thaliana
Beracochea, Valeria Cecilia; Almasia, Natalia Ines; Peluffo, Lucila; Nahirñak, Vanesa; Hopp, Horacio Esteban; Paniego, Norma Beatriz; Heinz, Ruth Amelia; Vazquez Rovere, Cecilia; Lia, Veronica Viviana (Springer, 2015-10)Germin-like proteins (GLPs) are a large, diverse and ubiquitous family of plant glycoproteins belonging to the Cupin super family. These proteins have been widely studied because of their diverse roles in important plant ...