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Mostrando ítems 21-30 de 30
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Natural occurring epialleles determine vitamin E accumulation in tomato fruits
Quadrana, Leandro Daniel; Almeida de Souza, Juliana Beatriz; Asis, Ramón; Duffy, Tomas; Dominguez, Pia Guadalupe; Bermudez Salazar, Luisa; Conti, Gabriela; Silva, Junia V. Corrêa da; Peralta, Iris Edith; Colot, Vincent; Asurmendi, Sebastian; Fernie, Alisdair R.; Rossi, Magdalena; Carrari, Fernando Oscar (2014-07)Vitamin E (VTE) content is a low heritability nutritional trait for which the genetic determinants are poorly understood. Here, we focus on a previously detected major tomato VTE quantitative trait loci (QTL; mQTL9-2-6) ... -
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 ... -
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 ... -
Transgenic expression of tobacco mosaic virus capsid and movement proteins modulate plant basal defense and biotic stress responses in Nicotiana tabacum
Conti, Gabriela; Rodriguez, Maria Cecilia; Manacorda, Carlos Augusto; Asurmendi, Sebastian (2012)Plant viruses cause metabolic and physiological changes associated with symptomatic disease phenotypes. Symptoms involve direct and indirect effects, which result in disruption of host physiology. We used transgenic ... -
TuMV infection alters the regulation of miR168/AGO1 and miR403/AGO2 systems in Arabidopsis
Manacorda, Carlos Augusto; Tasselli, Sabrina; Marano, María Rosa; Asurmendi, Sebastian (Springer, 2024)Plant argonaute (AGO) proteins—chiefly AGO1 and 2—restrict viral infections. AGO1/2 also participate in developmental processes and are tightly regulated by microRNAs. Researchers have conducted extensive studies on the ... -
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 ... -
Virus infection elevates transcriptional activity of miR164a promoter in plants
Bazzini, Ariel Alejandro; Almasia, Natalia Ines; Manacorda, Carlos Augusto; Mongelli, Vanesa Claudia; Conti, Gabriela; Maroniche, Guillermo Andrés; Rodriguez, Maria Cecilia; Distefano, Ana Julia; Hopp, Horacio Esteban; Del Vas, Mariana; Asurmendi, Sebastian (BioMed Central, 2009-12)Background: Micro RNAs (miRs) constitute a large group of endogenous small RNAs that have crucial roles in many important plant functions. Virus infection and transgenic expression of viral proteins alter accumulation and ...