Luciana Bianchimano

Mechanisms of growth control in Arabidopsis thaliana by temperature

Luciana Bianchimano

Para enfrentar las frecuentes variaciones de temperatura a que están expuestas, las plantas utilizan termorreceptores sensoriales que transfieren la información al transcriptoma y proteoma, ajustando el crecimiento y desarrollo para minimizar efectos adversos. Los mecanismos que regulan el crecimiento en respuesta a …

Shade-induced ROS/NO reinforce COP1-mediated diffuse cell growth

Marı́a José Iglesias, Cecilia Costigliolo Rojas, Luciana Bianchimano, Martina Legris et autres

Canopy shade enhances the activity of PHYTOCHROME INTERACTING FACTORs (PIFs) to boost auxin synthesis in the cotyledons. Auxin, together with local PIFs and their positive regulator CONSTITUTIVELY PHOTOMORPHOGENIC 1 (COP1), promotes hypocotyl growth to facilitate access to light. Whether shade alters the …

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Quantitative Proteomics Analysis of ABA- and GA3-Treated Malbec Berries Reveals Insights into H2O2 Scavenging and Anthocyanin Dynamics

Germán Murcia, Rodrigo Alonso, Federico Berli, Leonardo A. Arias et autres

Abscisic acid (ABA) and gibberellic acid (GA3) are regulators of fruit color and sugar levels, and the application of these hormones is a common practice in commercial vineyards dedicated to the production of table grapes. However, the effects of exogenous ABA and …

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Quantitative Proteomics Analysis of ABA and GA3 Treated Malbec Berries Reveals Insights into H2O2 Scavenging and Anthocyanin Dynamics

Germán Murcia, Rodrigo Alonso, Federico Berli, Leonardo A. Arias et autres

Abscisic acid (ABA) and gibberellic acid (GA3) are regulators of fruit color and sugar levels, and the application of these hormones is a common practice in commercial vineyards dedicated to the production of table grapes. However, the effects of exogenous ABA and …

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Plant Thermosensors

Jorge José Casal, Germán Murcia, Luciana Bianchimano

Plants are exposed to temperature conditions that fluctuate over different time scales, including those inherent to global warming. In the face of these variations, plants sense temperature to adjust their functions and minimize the negative consequences. Transcriptome responses underlie changes in growth, …

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Temperature regulation of auxin-related gene expression and its implications for plant growth

Luciana Bianchimano, María Belén De Luca, María Belén Borniego, Marı́a José Iglesias et autres

Twenty-five years ago, a seminal paper demonstrated that warm temperatures increase auxin levels to promote hypocotyl growth in Arabidopsis thaliana. Here we highlight recent advances in auxin-mediated thermomorphogenesis and identify unanswered questions. In the warmth, PHYTOCHROME INTERACTING FACTOR 4 (PIF4) and PIF7 …

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Organ-specific COP1 control of BES1 stability adjusts plant growth patterns under shade or warmth

Cecilia Costigliolo Rojas, Luciana Bianchimano, Jeonghwa Oh, Sofía Romero Montepaone et autres

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Longitudinal Study after Sputnik V Vaccination Shows Durable SARS-CoV-2 Neutralizing Antibodies and Reduced Viral Variant Escape to Neutralization over Time

María Mora González López Ledesma, Lautaro Sánchez, Diego Sebastian Ojeda, Santiago Oviedo Rouco et autres

Vaccines have been produced in record time for SARS-CoV-2, offering the possibility of halting the global pandemic. However, inequalities in vaccine accessibility in different regions of the world create a need to increase international cooperation. Sputnik V is a recombinant adenovirus-based vaccine …

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Longitudinal Study after Sputnik V Vaccination Shows Durable SARS-CoV-2 Neutralizing Antibodies and Reduced Viral Variant Escape over Time

María Mora González López Ledesma, Lautaro Sánchez, Diego Sebastian Ojeda, Santiago Oviedo Rouco et autres

ABSTRACT Recent studies have shown a temporal increase in the neutralizing antibody potency and breadth to SARS-CoV-2 variants in coronavirus disease 2019 (COVID-19) convalescent individuals. Here, we examined longitudinal antibody responses and viral neutralizing capacity to the B.1 lineage virus (Wuhan related), …

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Sputnik V vaccine elicits seroconversion and neutralizing capacity to SARS-CoV-2 after a single dose

Andres Hugo Rossi, Diego Sebastian Ojeda, Augusto Varese, Lautaro Sánchez et autres

Massive vaccination offers great promise for halting the global COVID-19 pandemic. However, the limited supply and uneven vaccine distribution create an urgent need to optimize vaccination strategies. We evaluate SARS-CoV-2-specific antibody responses after Sputnik V vaccination of healthcare workers in Argentina, measuring …

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Functional convergence of growth responses to shade and warmth in Arabidopsis

Sofía Romero‐Montepaone, Romina Sellaro, Carlos Esteban Hernando, Cecilia Costigliolo Rojas et autres

Shade and warmth promote the growth of the stem, but the degree of mechanistic convergence and functional association between these responses is not clear. We analysed the quantitative impact of mutations and natural genetic variation on the hypocotyl growth responses of Arabidopsis …

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