Now showing items 1-20 of 29

    • 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 ...
    • ATGC transcriptomics : a web-based application to integrate, explore and analyze de novo transcriptomic data 

      Gonzalez, Sergio Alberto; Clavijo, Bernardo; Rivarola, Maximo Lisandro; Moreno, Patricio; Fernández, Paula; Dopazo, Joaquín; Paniego, Norma Beatriz (2017-02-22)
      Background: In the last years, applications based on massively parallelized RNA sequencing (RNA-seq) have become valuable approaches for studying non-model species, e.g., without a fully sequenced genome. RNA-seq is a ...
    • 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 ...
    • Diversidad genómica y mapeo por asociación para la resistencia a la podredumbre húmeda del capítulo causada por Sclerotinia sclerotiorum en girasol 

      Filippi, Carla Valeria (Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, 2015)
      Argentina tiene una larga tradición en el mejoramiento de girasol, siendo su germoplasma un recurso genético invaluable a nivel mundial. Nuestro país es el tercer exportador mundial de aceite crudo y segundo exportador de ...
    • Estudio de la resistencia a Sclerotinia sclerotiorum en líneas endocriadas de girasol 

      Zubrzycki, Jeremias Enrique (Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, 2014)
      La podredumbre húmeda del capítulo (PHC), causada por Sclerotinia sclerotiorum, es una de las limitante más importantes para el cultivo del girasol. Este trabajo tuvo como objetivo identificar las regiones del genoma de ...
    • 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 ...
    • Genome-wide analysis of the snakin/GASA gene family in solanum tuberosum cv. Kennebec 

      Nahirñak, Vanesa; Rivarola, Maximo Lisandro; Gonzalez De Urreta, Martin Salvador; Paniego, Norma Beatriz; Hopp, Horacio Esteban; Almasia, Natalia Ines; Vazquez Rovere, Cecilia (2016-04)
      Snakin/GASA proteins have been involved in different aspects of plant growth and development although their exact role is still intriguing. All of them maintain 12 cysteines of the C-terminus in highly conserved positions ...
    • Genome-wide association studies in sunflower : towards sclerotinia sclerotiorum and diaporthe/phomopsis resistance breeding 

      Filippi, Carla Valeria; Corro Molas, Andres Ezequiel; Dominguez, Matías; Colombo, Denis Nahuel; Heinz, Nicolás; Troglia, Carolina Beatriz; Maringolo, Carla Andrea; Quiroz, Facundo Jose; Alvarez, Daniel; Lia, Veronica Viviana; Paniego, Norma Beatriz (MDPI, 2022-12)
      Diseases caused by necrotrophic fungi, such as the cosmopolitan Sclerotinia sclerotiorum and the Diaporthe/Phomopsis complex, are among the most destructive diseases of sunflower worldwide. The lack of complete resistance ...
    • 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 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 ...
    • Mapeo por asociación en girasol: diversidad nucleotídica, desequilibrio de ligamiento e identificación de genes involucrados en la resistencia a la podredumbre húmeda del capítulo 

      Fusari, Corina Mariana (Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, 2012-11)
      El mapeo por asociación es una herramienta poderosa que permite la identificación de loci cuya contribución explica parte de la variación fenotípica observada. En general, los marcadores utilizados en estos estudios son ...
    • Morphological and genetic diversity of maize landraces along an altitudinal gradient in the Southern Andes 

      Rivas, Juan Gabriel; Gutierrez, Ángela Verónica; Defacio, Raquel Alicia; Schimpf, Jorge; Vicario, Ana L.; Hopp, Horacio Esteban; Paniego, Norma Beatriz; Lia, Veronica Viviana (BioRxiv, 2022-07)
      Maize (Zea mays ssp. mays) is a major cereal crop worldwide and is traditionally or commercially cultivated almost all over the Americas. The northwestern region of Argentina (NWA) constitutes one of the main diversity ...
    • 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 ...
    • Optimizing ddRADseq in non-model species: a case study in Eucalyptus dunnii maiden 

      Aguirre, Natalia Cristina; Filippi, Carla Valeria; Zaina, Giusi; Rivas, Juan Gabriel; Acuña, Cintia Vanesa; Villalba, Pamela Victoria; Garcia, Martin Nahuel; Gonzalez, Sergio; Rivarola, Maximo Lisandro; Martinez, Maria Carolina; Puebla, Andrea Fabiana; Morgante, Michele; Hopp, Horacio Esteban; Paniego, Norma Beatriz; Marcucci Poltri, Susana Noemi (MDPI, 2019-08)
      Restriction site-associated DNA sequencing (RADseq) and its derived protocols, such as double digest RADseq (ddRADseq), offer a flexible and highly cost-effective strategy for efficient plant genome sampling. This has ...
    • 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 ...
    • Plastome genomics in South American maize landraces: chloroplast lineages parallel the geographic structuring of nuclear gene pools 

      Lopez, Mariana Gabriela; Fass, Monica Irina; Rivas, Juan Gabriel; Carbonell-Caballero, José; Vera, Pablo Alfredo; Puebla, Andrea Fabiana; Defacio, Raquel Alicia; Dopazo, Joaquín; Paniego, Norma Beatriz; Hopp, Horacio Esteban; Lia, Verónica Viviana (Oxford University Press, 2021-03)
      Background and Aims: The number of plastome sequences has increased exponentially during the last decade. However, there is still little knowledge of the levels and distribution of intraspecific variation. The aims of this ...