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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 ... -
Assessing small RNA profles in potato diploid hybrid and its resynthesized allopolyploid reveals conserved abundance with distinct genomic distribution
Zavallo, Diego; Cara, Nicolás; Leone, Melisa; Crescente, Juan Manuel; Marfil, Carlos Federico; Masuelli, Ricardo Williams; Asurmendi, Sebastian (Springer, 2024-04)Allopolyploidy, a complex process involving interspecific hybridization and whole genome duplication, significantly impacts plant evolution, leading to the emergence of novel phenotypes. Polyploids often present phenotypic ... -
Coinfection of cotton plants with cotton leafroll dwarf virus atypical and a novel cotton begomovirus
Delfosse, Veronica Cecilia; Debat, Humberto Julio; Zavallo, Diego; Alvarez, Liliana; Gomez Talquenca, Gonzalo; Bonacic Kresic, Iván; Asurmendi, Sebastian; Distefano, Ana Julia (Wiley, 2024-05)Cotton is a commercial crop of global importance whose versatile fibre is widely used in the textile industry. Cotton is vulnerable to infectious pathogens, including viruses, that are a major threat to cotton production. ... -
Differential mRNA accumulation upon early arabidopsis thaliana infection with ORMV and TMV-Cg Is associated with distinct endogenous small RNAs Level
Zavallo, Diego; Debat, Humberto Julio; Conti, Gabriela; Manacorda, Carlos Augusto; Rodriguez, Maria Cecilia; Asurmendi, Sebastian (2015-08-03)Small RNAs (sRNAs) play important roles in plant development and host-pathogen interactions. Several studies have highlighted the relationship between viral infections, endogenous sRNA accumulation and transcriptional ... -
First report of grapevine Pinot gris virus infecting grapevine in Argentina
Debat, Humberto Julio; Luna,Facundo; Moyano, Sabrina Noé; Zavallo, Diego; Asurmendi, Sebastian; Gomez Talquenca, Gonzalo (Springer, 2020-07)Fourteen viruses have been associated to grapevine in Argentina (Debat et al. 2020; Luna et al. 2019). Grapevine Pinot gris virus (family Betaflexiviridae; genus Trichovirus, GPGV) was originally described in Italy and ... -
First report of grapevine red blotch virus infecting grapevine in Argentina
Luna, Facundo; Debat, Humberto Julio; Moyano, Sabrina Noé; Zavallo, Diego; Asurmendi, Sebastian; Gomez Talquenca, Gonzalo (Springer, 2019-04)Argentina is the fifth wine producer worldwide and 10th global grapevine producer, with over 2,100,000 tons of grapes harvested in 2017. So far, 12 viruses have been identified in grapevine in Argentina (Debat et al. 2019). -
First report of grapevine virus E infecting grapevine in Argentina
Debat, Humberto Julio; Zavallo, Diego; Luna, Facundo; Moyano, Sabrina Noé; Asurmendi, Sebastian; Gomez Talquenca, Sebastian (Springer, 2019-03-12)To investigate the occurrence of GVE in Argentina, a survey was conducted in grapevines from three regions (Mendoza’s North Oasis, East Zone and Uco Valley) of Mendoza province, Argentina, during the 2017/2018 season. ... -
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 ... -
Grapevine virus L: a novel vitivirus in grapevine
Debat, Humberto Julio; Zavallo, Diego; Brisbane, Reid Soltero; Vončina, Darko; Almeida, Rodrigo P. P.; Blouin, Arnaud G.; Al Rwahnih, Maher; Gomez Talquenca, Gonzalo; Asurmendi, Sebastian (2019-04-06)Vitiviruses are ssRNA(+) viruses in the family Betaflexiviridae (subfamily Trivirinae). There are currently 10 ICTV recognized virus species in the genus; nevertheless, the extended use of NGS technologies is rapidly ... -
Immune receptor genes and pericentromeric transposons as targets of common epigenetic regulatory elements
Cambiagno, Damián Alejandro; Nota, María Florencia; Zavallo, Diego; Rius, Sebastián Pablo; Casati, Paula; Alvarez, Maria Elena; Asurmendi, Sebastian (Wiley, 2018-12)Pattern recognition receptors (PRR) and nucleotide‐binding leucine‐rich repeat proteins (NLR) are major components of the plant immune system responsible for pathogen detection. To date, the transcriptional regulation of ... -
Mal de Río Cuarto Virus infection triggers the production of distinctive viral-derived siRNA profiles in wheat and Its planthopper vector
De Haro, Luis Alejandro; Dumon, Analia Delina; Mattio, Maria Fernanda; Arguello Caro, Evangelina Beatriz; Llauger, Gabriela; Zavallo, Diego; Blanc, Hervé; Mongelli, Vanesa Claudia; Truol, Graciela Ana Maria; Saleh, María-Carla; Asurmendi, Sebastian; Del Vas, Mariana (2017)Plant reoviruses are able to multiply in gramineae plants and delphacid vectors encountering different defense strategies with unique features. This study aims to comparatively assess alterations of small RNA (sRNA) ... -
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 ... -
Negative modulation of SA signaling components by the capsid protein of tobacco mosaic virus is required for viral long-distance movement
Venturuzzi, Andrea Laura; Rodriguez, Maria Cecilia; Conti, Gabriela; Leone, Melisa; Caro, Maria Del Pilar; Montecchia, Juan Francisco; Zavallo, Diego; Asurmendi, Sebastian (Wiley, 2021-05)An important aspect of plant–virus interaction is the way viruses dynamically move over long distances and how plant immunity modulates viral systemic movement. Salicylic acid (SA), a well-characterized hormone responsible ... -
RdDM pathway components differentially modulate Tobamovirus symptom development
Leone, Melisa; Zavallo, Diego; Venturuzzi, Andrea Laura; Asurmendi, Sebastian (Springer, 2020-08)Small RNAs (sRNAs) are important molecules for gene regulation in plants and play an essential role in plant-pathogen interactions. Researchers have evaluated the relationship between viral infections as well as the ... -
Salicylic acid determines differential senescence produced by two turnip mosaic virus strains involving reactive oxygen species and early transcriptomic changes
Manacorda, Carlos Augusto; Mansilla, Carmen; Debat, Humberto Julio; Zavallo, Diego; Sánchez, Flora; Ponz, Fernando; Asurmendi, Sebastian (2013-12)Losses produced by virus diseases depend mostly on symptom severity. Turnip mosaic virus (TuMV) is one of the most damaging and widespread potyvirus infecting members of the family Brassicaceae, including Arabidopsis ... -
The cytosolic invertase NI6 affects vegetative growth, flowering, fruit set, and yield in tomato
Coluccio Leskow, Carla; Conte, Mariana; del Pozo, Talía; Bermudez Salazar, Luisa; Lira, Bruno Silvestre; Gramegna, Giovanna; Baroli, Irene; Burgos, Estanislao; Zavallo, Diego; Kamenetzky, Laura; Asis, Ramón; Gonzalez, Maurıcio; Fernie, Alisdair R.; Rossi, Magdalena; Osorio, Sonia; Carrari, Fernando (Oxford University Press, 2021-03)Sucrose metabolism is important for most plants, both as the main source of carbon and via signaling mechanisms that have been proposed for this molecule. A cleaving enzyme, invertase (INV) channels sucrose into sink ... -
TMV induces RNA decay pathways to modulate gene silencing and disease symptoms
Conti, Gabriela; Zavallo, Diego; Venturuzzi, Andrea Laura; Rodriguez, Maria Cecilia; Crespi, Martin; Asurmendi, Sebastian (2017)RNA decay pathways comprise a combination of RNA degradation mechanisms that are implicated in gene expression, development and defense responses in eukaryotes. These mechanisms are known as the RNA Quality Control or RQC ... -
TMV-Cg Coat Protein stabilizes DELLA proteins and in turn negatively modulates salicylic acid-mediated defense pathway during Arabidopsis thaliana viral infection
Rodriguez, Maria Cecilia; Conti, Gabriela; Zavallo, Diego; Manacorda, Carlos Augusto; Asurmendi, Sebastian (2014)Background Plant viral infections disturb defense regulatory networks during tissue invasion. Emerging evidence demonstrates that a significant proportion of these alterations are mediated by hormone imbalances. Although ... -
Vineyard environments influence Malbec grapevine phenotypic traits and DNA methylation patterns in a clone‑dependent way
Varela, Anabella; Ibañez, Verónica Noé; Alonso, Rodrigo; Zavallo, Diego; Asurmendi, Sebastian; Gomez Talquenca, Gonzalo Sebastián; Marfil, Carlos Federico; Berli, Federico Javier (Springer Verlag, 2021-01)Clonal selection and vegetative propagation determine low genetic variability in grapevine cultivars, although it is common to observe diverse phenotypes. Environmental signals may induce epigenetic changes altering gene ...