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A Universal Stress Protein Involved in Oxidative Stress Is a Phosphorylation Target for Protein Kinase CIPK6

Opened Access A Universal Stress Protein Involved in Oxidative Stress Is a Phosphorylation Target for Protein Kinase CIPK6

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Autor: Torre Fazio, Fernando de la
Pozo Cañas, Olga del
Personat, José María
Gutiérrez Beltrán, Emilio
Departamento: Universidad de Sevilla. Departamento de Bioquímica Vegetal y Biología Molecular
Fecha: 2017
Publicado en: Plant Physiology, 173, 836-852.
Tipo de documento: Artículo
Resumen: Calcineurin B-like interacting protein kinases (CIPKs) decode calcium signals upon interaction with the calcium sensors calcineurin B like proteins into phosphorylation events that result into adaptation to environmental stresses. Few phosphorylation targets of CIPKs are known and therefore the molecular mechanisms underlying their downstream output responses are not fully understood. Tomato (Solanum lycopersicum) Cipk6 regulates immune and susceptible Programmed cell death in immunity transforming Ca2+ signals into reactive oxygen species (ROS) signaling. To investigate SlCipk6-induced molecular mechanisms and identify putative substrates, a yeast two-hybrid approach was carried on and a protein was identified that contained a Universal stress protein (Usp) domain present in bacteria, protozoa and plants, which we named “SlRd2”. SlRd2 was an ATP-binding protein that formed homodimers in planta. SlCipk6 and SlRd2 interacted using coimmunoprecipitation and bimolecular fluorescence comp...
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Cita: Torre Fazio, F.d.l., Pozo Cañas, O.d., Personat, J.M. y Gutiérrez Beltrán, E. (2017). A Universal Stress Protein Involved in Oxidative Stress Is a Phosphorylation Target for Protein Kinase CIPK6. Plant Physiology, 173, 836-852.
Tamaño: 3.700Mb
Formato: PDF

URI: http://hdl.handle.net/11441/67755

DOI: 10.1104/pp.16.00949

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