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Bread wheat cultivar Popo harbors QTLs for seedling and adult plant resistance to leaf rust in South African and Argentine environments
Figlan, Sandiswa; Hlongoane, Tsepiso; Bainotti, Carlos Tomas; Campos, Pablo Eduardo; Vanzetti, Leonardo Sebastian; Tranquilli, Gabriela; Tsilo, Toi John (Elsevier, 2024-12)Leaf rust, caused by the fungus Puccinia triticina Eriks (Pt), is a destructive disease affecting wheat (Triticum aestivum L.) production in many countries, and a serious threat to food security. As a result, several ... -
Cannabis sativa L. Miniature Inverted-Repeat Transposable- Element Landscapes in Wild-Type (JL) and Domesticated Genome (CBDRx)
Quiroga, Mariana Paola; Crociara, Clara Sonia; Schenfeld, Esteban Martín; Fernandez, Franco Daniel; Crescente, Juan Manuel; Vanzetti, Leonardo Sebastian; Helguera, Marcelo (MDPI, 2025-03-25)Cannabis sativa L. is a globally cultivated plant with significant industrial, nutritional, and medicinal value. Its genome, comprising nine autosomes and sex chromosomes (X and Y), has been extensively studied, particularly ... -
Dissecting genetic loci of yield, yield components, and protein content in bread wheat nested association mapping population
Donaire, Guillermo Manuel; Vanzetti, Leonardo Sebastian; Conde, María Belén; Bainotti, Carlos Tomas; Mir, Leticia Raquel; Borrás, Lucas; Chicaiza, Oswaldo; Helguera, Marcelo (Springer, 2023-05)In the last century wheat breeding programs have shown consistent yield increases, often associated with lower grain protein concentrations (GPC). A better understanding of the genetic basis of grain yield and grain protein ... -
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, ... -
Enhancing wheat yield potential through the QTL QFFE.perg-5A and QFEm.perg-3A associated to spike fruiting efficiency : insights from plot-level analysis
Pretini, Nicole; Vanzetti, Leonardo Sebastian; Terrile, Ignacio Ismael; Silva, Paula; Ferrari, Giuliana; Gonzalez, Fernanda Gabriela (Elsevier, 2025-03)Wheat (Triticum aestivum L.) is a key global crop, essential for food security. To enhance its productivity this study focused on two quantitative trait loci (QTL), QFFE.perg-5A and QFEm.perg-3A, previously associated with ... -
Exogenous Gibberellins Induce Wheat Spike Development under Short Days Only in the Presence of VERNALIZATION1
Pearce, Stephen; Vanzetti, Leonardo Sebastian; Dubcovsky, Jorge (2013-11)The activation of the meristem identity gene VERNALIZATION1 (VRN1) is a critical regulatory point in wheat (Triticum spp.) flowering. In photoperiod-sensitive wheat varieties, VRN1 is expressed only under long days (LDs), ... -
Fine mapping and epistatic interactions of the vernalization gene VRN-D4 in hexaploid wheat
Kippes, Néstor Fabián; Zhu, Jie; Chen, Andrew; Vanzetti, Leonardo Sebastian; Lukaszewski, Adam; Nishida, Hidetaka; Kato, Kenji; Dvorak, Jan; Dubcovsky, Jorge (2014-02)Wheat vernalization requirement is mainly controlled by the VRN1, VRN2, VRN3, and VRN4 genes. The first three have been cloned and have homoeologs in all three genomes. VRN4 has been found only in the D genome (VRN-D4) and ... -
Gene-based model to predict heading date in wheat based on allelic characterization and environmental drivers
Jardón, Mariana; Alvarez Prado, Santiago; Vanzetti, Leonardo Sebastian; Gonzalez, Fernanda Gabriela; Pérez Gianmarco, Thomas; Gomez, Dionisio Tomas; Serrago, Román A.; Dubcovsky, Jorge; Fernandez Long, Maria Elena; Miralles, Daniel Julio (Oxford University Press, 2025-02)While numerous wheat phenology prediction models are available, most of them are constrained to using variety-dependent coefficients. The overarching objective of this study was to calibrate a gene-based model to predict ... -
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 ... -
Genome-wide association study for resistance in bread wheat (Triticum aestivum L.) to stripe rust (Puccinia striiformis f. sp. tritici) races in Argentina
Franco, Maria Fiorella; Polacco, A.N.; Campos, Pablo Eduardo; Pontaroli, Ana Clara; Vanzetti, Leonardo Sebastian (BioMed Central, 2022-11-24)Background: Wheat stripe rust, caused by Puccinia striiformis f. sp. tritici (Pst), is one of the most devastating diseases of the wheat crop. It causes significant reductions in both grain yield and grain quality. In ... -
Genome-wide identification of MITE-derived microRNAs and their targets in bread wheat
Crescente, Juan Manuel; Zavallo, Diego; Del Vas, Mariana; Asurmendi, Sebastian; Helguera, Marcelo; Fernandez, Elmer; Vanzetti, Leonardo Sebastian (BioMed Central, 2022-02)Background: Plant miRNAs are a class of small non-coding RNAs that can repress gene expression at the post-transcriptional level by targeting RNA degradation or promoting translational repression. There is increasing ... -
Genomic re-assessment of the transposable element landscape of the potato genome
Zavallo, Diego; Crescente, Juan Manuel; Gantuz, Magdalena; Leone, Melisa; Vanzetti, Leonardo Sebastian; Masuelli, Ricardo Williams; Asurmendi, Sebastian (Springer, 2020-05)Transposable elements (TEs) are DNA sequences with the ability to autoreplicate and move throughout the host genome. TEs are major drivers in stress response and genome evolution. Given their significance, the development ... -
Herramientas genómicas aplicadas al mejoramiento de soja convencional [Glycine max (L.) Merr.]
Bernardi, Clarisa Noelia; Fumero, María Verónica; Garis, Sol Belén; Lenzi, Lisandro German; Vanzetti, Leonardo Sebastian (Centro Regional Córdoba, INTA, 2023-09-17)El fitomejoramiento ha sido exitoso en el desarrollo de variedades mejoradas utilizando herramientas y metodologías convencionales. Sin embargo, hoy en día, la disponibilidad de herramientas y recursos genómicos da lugar ... -
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 and validation of QTL for spike fertile floret and fruiting efficiencies in hexaploid wheat (Triticum aestivum L.)
Pretini, Nicole; Vanzetti, Leonardo Sebastian; Terrile, Ignacio Ismael; Börner, Andreas; Plieske, Jörg; Ganal, Martin; Röder, Marion; Gonzalez, Fernanda Gabriela (Springer, 2020-06)The spike fruiting efficiency (FE—grains per unit spike dry weight at anthesis, GN/SDW) is a promising trait to improve wheat yield potential. It depends on fertile floret efficiency (fertile florets per unit SDW—FFE, ... -
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 ... -
Increasing grain yield in bread wheat (Triticum aestivum) by selection for high spike fertility index
Pontaroli, Ana Clara; Alonso, Maria Pía; Mirabella, Nadia Estefania; Panelo, Juan Sebastián; Franco, Maria Fiorella; Vanzetti, Leonardo Sebastian; Lorenzo, Maximo (Wiley, 2021-06-28)Spike fertility index (SF) has been proposed as a promising selection criterion for increasing grain yield (GY) in bread wheat. Here, changes in GY and related traits after simulated selection (10% intensity) for high SF ... -
Influencia de la textura del grano de trigo (Triticum aestivum L.) sobre la calidad industrial de galletitas dulces y crackers
Mir, Leticia Raquel (2016-11-25)El sistema de comercialización de trigos establece una clasificación de los trigos hexaploides (Triticum aestivum L.) basada en la textura del endosperma que junto con la fuerza del gluten determinan sus potenciales usos ... -
Interaction of methyl-jasmonate and Fusarium poae in bread wheat
Dinolfo, María Inés; Martínez, Mauro; Castañares, Eliana; Vanzetti, Leonardo Sebastian; Rossi, Franco Rubén; Stenglein, Sebastian Alberto; Arata, Agustin Francisco (Elsevier, 2022-10)Fusarium Head Blight (FHB) is a devastating disease that affects the grain yield and quality of essential crops such as wheat. In the last years, some Fusarium species have acquired particular importance as Fusarium poae. ...