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Arabidopsis phenotyping through geometric morphometrics
Manacorda, Carlos Augusto; Asurmendi, Sebastian (Oxford University Press, 2018-07)Background: Recently, great technical progress has been achieved in the field of plant phenotyping. High-throughput platforms and the development of improved algorithms for rosette image segmentation make it possible to ... -
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 ... -
Estudio de los cambios transcriptómicos producidos por infecciones virales en plantas, rol de fitohormonas y su vinculación con la progresión de síntomas
Manacorda, Carlos Augusto (Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, 2014-08)Las pérdidas en cultivos ocasionadas por virus dependen mayormente de la severidad de los síntomas producidos. La comprensión de los mecanismos moleculares que subyacen a la producción de síntomas es de importancia para ... -
Metabolic and miRNA profiling of TMV infected plants reveals biphasic temporal changes
Bazzini, Ariel Alejandro; Manacorda, Carlos Augusto; Tohge, Takayuki; Conti, Gabriela; Rodriguez, Maria Cecilia; Nunes Nesi, Adriano; Villanueva, Sofía; Fernie, Alisdair R.; Carrari, Fernando; Asurmendi, Sebastian (2011-12-12)Plant viral infections induce changes including gene expression and metabolic components. Identification of metabolites and microRNAs (miRNAs) differing in abundance along infection may provide a broad view of the pathways ... -
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-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 ... -
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 ...