Now showing items 1-16 of 16

    • Characterization of the repetitive DNA landscape in wheat homeologous group 4 chromosomes 

      Garbus, Ingrid; Romero, José Rodolfo; Miroslav, Valarik; Vanzurova, Hana; Karafiatova, Miroslava; Caccamo, Mario; Dolezel, Jaroslav; Tranquilli, Gabriela; Helguera, Marcelo; Echenique, Carmen Viviana (2015)
      Background: The number and complexity of repetitive elements varies between species, being in general most represented in those with larger genomes. Combining the flow-sorted chromosome arms approach to genome analysis ...
    • Detección de fuentes novedosas de resistencia genética a fusariosis de la espiga en trigo pan (Triticum aestivum L.) 

      Gieco, Lucrecia Cristina (Facultad de Ciencias Agrarias, Universidad Nacional de Rosario, 2018)
      En el cultivo de trigo (Triticum aestivum L.) la fusariosis de la espiga, causada por el hongo Fusarium graminearum Schwabe, está muy difundida y es altamente destructiva, afectando rendimiento, calidad e inocuidad del ...
    • Earliness per se variation in Argentine bread wheat varieties and mapping of QTLs in a recombinant inbred line population 

      Lombardo, Lucio; Ghione, Celina Elena; Nisi, María Mercedes; Tranquilli, Gabriela; Helguera, Marcelo (Springer, 2019-10)
      The occurrence of flowering time in wheat is affected not only by the vernalization and photoperiod response, but also by earliness per se (EPS). The effects of this trait facilitate the fine tunning of the life cycle for ...
    • Effect of high molecular weight glutenins and rye translocations on soft wheat flour cookie quality 

      Moiraghi, Malena; Vanzetti, Leonardo Sebastian; Pfluger, Laura Alicia; Helguera, Marcelo; Pérez, GabrielaTeresa (2013-11)
      The influence of high molecular weight glutenin subunits (HMW-GS) on wheat breadmaking quality has been extensively studied but the effect of different Glu-1 alleles on cookie quality is still poorly understood. This study ...
    • Effect of Vrn-1, Ppd-1 genes and earliness per se on heading time in Argentinean bread wheat cultivars 

      Gomez, Dionisio Tomas; Vanzetti, Leonardo Sebastian; Helguera, Marcelo; Lombardo, Lucio; Fraschina, Jorge Alberto; Miralles, D.J. (2014-03)
      Predicting phenology, in particular heading time, is crucial to avoid and/or minimize risk of damage of frost, drought and high temperatures during grain filling. Although some of the major genes controlling development, ...
    • Evaluación fenotípica y molecular de alelos de los genes Ppd-1 en una población biparental de trigo pan 

      Lombardo, Lucio; Nisi, Marí­a Mercedes; Ghione, Celina Elena; Fisore, G.D.; Helguera, Marcelo (2017-11)
      El constante incremento de las temperaturas –como consecuencia del cambio climático– en las regiones donde se cultiva trigo, exige ajustar el ciclo del cultivo a períodos más cortos para evitar o disminuir los estreses ...
    • Genetic structure of Argentinean hexaploid wheat germplasm 

      Vanzetti, Leonardo Sebastian; Yerkovich, Nadia; Chialvo, Eugenia; Lombardo, Lucio; Vaschetto, Luis; Helguera, Marcelo (2013-05)
      The identification of genetically homogeneous groups of individuals is an ancient issue in population genetics and in the case of crops like wheat, it can be valuable information for breeding programs, genetic mapping and ...
    • Identification and characterization of Rht25, a locus on chromosome arm 6AS affecting wheat plant height, heading time, and spike development 

      Youngjun Mo; Vanzetti, Leonardo Sebastian; Hale, Iago; Spagnolo, Emiliano J.; Guidobaldi, Fabio; Al-Oboudi, Jassim; Odle, Natalie; Pearce, Stephen; Helguera, Marcelo; Dubcovsky, Jorge (2018)
      Understanding genes regulating wheat plant height is important to optimize harvest index and maximize grain yield. In modern wheat varieties grown under high-input conditions, the gibberellin-insensitive semi-dwarfing ...
    • Identification of leaf rust resistance genes in selected Argentinean bread wheat cultivars by gene postulation and molecular markers 

      Vanzetti, Leonardo Sebastian; Campos, Pablo Eduardo; Demichelis, Melina; Lombardo, Lucio; Aurelia, Paola Romina; Vaschetto, Luis María; Bainotti, Carlos Tomas; Helguera, Marcelo (Pontificia Universidad Católica de Valparaíso, 2011)
      Leaf rust, caused by Puccinia triticina Eriks. is a common and widespread disease of bread wheat (Triticum aestivum L.), in Argentina. Host resistance is the most economical, effective and ecologically sustainable method ...
    • Identification of novel high molecular weight glutenin subunit mutants in bread wheat (Triticum aestivum L.) 

      Lombardo, Lucio; Nisi, Marí­a Mercedes; Salines, Nicolas; Ghione, Celina Elena; Helguera, Marcelo (2017-07)
      Bread wheat (Triticum aestivum L.) is a staple food crop eaten in different ways like pan and other food products. High molecular weight glutenin subunits (HMW-GS) are major determinants of the different wheat end-use ...
    • MITE Tracker : an accurate approach to identify miniature inverted-repeat transposable elements in large genomes 

      Crescente, Juan Manuel; Zavallo, Diego; Helguera, Marcelo; Vanzetti, Leonardo Sebastian (BioMed Central, 2018)
      Background: Miniature inverted-repeat transposable elements (MITEs) are short, non-autonomous class II transposable elements present in a high number of conserved copies in eukaryote genomes. An accurate identification ...
    • MS INTA 416 : a new Argentinean wheat cultivar carrying Fhb1 and Lr47 resistance genes 

      Bainotti, Carlos Tomas; Lewis, Silvina; Campos, Pablo Eduardo; Alberione, Enrique Javier; Salines, Nicolas; Gomez, Dionisio Tomas; Fraschina, Jorge Alberto; Salines, Jose Hector; Formica, Maria Beatriz; Donaire, Guillermo Manuel; Vanzetti, Leonardo Sebastian; Lombardo, Lucio; Nisi, Marí­a Mercedes; Cuniberti, Martha Beatriz; Mir, Leticia Raquel; Conde, Marí­a Belén; Helguera, Marcelo (2017-09)
      MS INTA 416 is a hard red winter wheat selected for high yield potential and good bread-making quality, combined with moderate resistance to Fusarium-head-blight and high resistance to leaf-rust, due mainly to presence of ...
    • New insight into the wheat chromosome 4 D structure and virtual gene order, relead by survey pyrosequencing 

      Helguera, Marcelo; Rivarola, Maximo Lisandro; Clavijo, Bernardo; Martis, Mihaela M.; Vanzetti, Leonardo Sebastian; Gonzalez, Sergio Alberto; Garbus, Ingrid; Leroy, Phillippe; Simková, Hana; Valárik, Miroslav; Caccamo, Mario; Dolezel, Jaroslav; Mayer, Klaus F.X.; Feuillet, Catherine; Tranquilli, Gabriela; Paniego, Norma Beatriz; Echenique, Carmen Viviana (2015)
      Survey sequencing of the bread wheat (Triticum aestivum L.) genome (AABBDD) has been approached through different strategies delivering important information. However, the current wheat sequence knowledge is not complete. ...
    • Phenobook : an open source software for phenotypic data collection 

      Crescente, Juan Manuel; Guidobaldi, Fabio; Demichelis, Melina; Formica, Maria Beatriz; Helguera, Marcelo; Vanzetti, Leonardo Sebastian (2017-04)
      Background: Research projects often involve observation, registration, and data processing starting from information obtained in field experiments. In many cases, these tasks are carried out by several persons in different ...
    • QTL analysis of main and epistatic effects for flour color traits in durum wheat 

      Roncallo, Pablo Federico; Cervigni, Gerardo Domingo Lucio; Jensen, Carlos Alberto; Miranda, Rubén; Carrera, Alicia Delia; Helguera, Marcelo; Echenique, Carmen Viviana (2012-05)
      The aim of this work was to map quantitative trait loci (QTLs) associated with flour yellow color (Fb*) and yellow pigment content (YPC) in durum wheat (Triticum turgidum L. var. durum). Additionally, QTLs affecting flour ...
    • Relationship between soft wheat flour physicochemical composition and cookie‐making performance 

      Moiraghi, Malena; Vanzetti, Leonardo Sebastian; Bainotti, Carlos Tomas; Helguera, Marcelo; Leon, Alberto Edel; Perez, Gabriela Teresa (Wiley, 2011-03)
      Nowadays in Argentina, cookies, crackers, and cakes are made of flour obtained from bread wheat with additives or enzymes that decrease the gluten strength but increase production costs. The present research work aims to ...