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DIGITAL.CSIC
Conference object . 2017 . Peer-reviewed
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Identificación y caracterización de nuevos genes implicados en la función OXPHOS

Authors: Vicente-Blanco, Ramiro J.; Hernández-Sierra, Rosana; Garesse, Rafael; Fernández-Moreno, Miguel Ángel;

Identificación y caracterización de nuevos genes implicados en la función OXPHOS

Abstract

La mitocondria es un orgánulo celular que juega un papel central en el metabolismo, destacando en: (i) el aporte de la energía en forma de ATP (ii) la producción de especies reactivas de oxígeno (ROS), (iii) la homeostasis del Ca2 intracelular y (iv) la muerte programada o apoptosis. La síntesis de ATP se realiza mediante el sistema cadena respiratoria (CR)/OXPHOS y su disfunción provoca las denominadas enfermedades mitocondriales. El CR/OXPHOS está formado por 13 subunidades estructurales codificadas en el genoma mitocondrial (mtDNA) y más de 80 en el DNA nuclear, necesitando además los elementos que las ensamblan y los pertenecientes a las maquinarias de replicación y decodificación del genoma mitocondrial. En más de la mitad de las patologías mitocondriales de base genética se desconoce el gen o genes responsables por lo que su identificación es actualmente un reto. En este sentido, la utilización de Drosophila puede suponer una herramienta adicional. El mtDNA de Drosophila y los elementos responsables de su mantenimiento y decodificación son similares a los de mamíferos. En el laboratorio hemos identificado genes esenciales para la función OXPHOS situados sobre mRNAs que codifican dos proteínas diferentes (bicistrones) y creemos que ello puede ser una tendencia. Tras un primer análisis in silico y la valoración de distintos parámetros (conservación evolutiva, probabilidad de destino mitocondrial, función desconocida, etc.) hemos comenzado un análisis funcional preliminar de un grupo de 8 genes seleccionados valorando la capacidad de crecimiento en galactosa como única fuente de carbono de knock-outs generados mediante el sistema CRISPR/Cas.

Resumen del póster presentado a la VIII Reunión Científica Anual del Centro de Investigación Biomédica En Red de Enfermedades Raras, celebrada en San Lorenzo del Escorial (Madrid) los días 12 y 13 de marzo de 2015.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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