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Descripción
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| Winter dormancy is a seasonal developmental program in trees characterized by growth arrest from the onset of autumn until the beginning of spring allowing woody perennials to survive under unfavorable conditions during the winter. The extension of the dormant period is defined by photoperiodic and temperature cues, however the signaling pathway behind this process is still scarce. The circadian clock sustains the growth, however under low temperatures conditions is impaired in perennial but not in annual species, showing a specific thermosensitivity in these species (Ramos et al., 2005; Johansson et al., 2015). Temperature in plants is believed to be sensed by plasma membrane fluidization or enzymatic reaction uncouple, but lately Arabidopsis circadian gene ELF3 has been shown to have a prion-like domain involved in temperature sensing (Press et al., 2016). Prion-like proteins can convert from soluble to insoluble state, forming aggregates of non-functional proteins and have been recently described to have important roles in plants, like autonomous flowering pathway (Chakrabortee et al., 2016). Through computational approaches poplar polyQ prion-like proteins were identified and their specific role in the circadian clock regulation has been investigated under different environmental conditions. The implication of polyQ prion-like proteins during winter dormancy will be analyzed. | |
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Internacional
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Si |
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Nombre congreso
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Workshop New Frontiers in Plant Biology |
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Tipo de participación
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970 |
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Lugar del congreso
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Centro de Biotecnología y Genómica de Plantas |
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Revisores
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Si |
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ISBN o ISSN
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0000-0000 |
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DOI
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Fecha inicio congreso
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15/06/2016 |
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Fecha fin congreso
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17/06/2016 |
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Desde la página
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44 |
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Hasta la página
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44 |
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Título de las actas
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Exploring the role of polyQ prion like proteins during winter dormancy |