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Descripción
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| Climate change is a major challenge particularly for forest tree species, which will have to face the severe alterations of environmental conditions with their current genetic pool. Thus, an understanding of their adaptive responses is of the utmost interest. In this work we have selected Pinus pinaster as a model species. This pine is one of the most important conifers (for which molecular tools and knowledge are far more scarce than for angiosperms) in the Mediterranean Basin, which is characterised in all foreseen scenarios as one of the regions most dras- tically affected by climate change, mainly because of increasing temperature and, particularly, by increasing drought. We have induced a controlled, increasing water stress by adding PEG to a hydroponic culture.We have generated a subtractive library, with the aim of identifying the genes induced by this stress and have searched for the most reliable expressional candidate genes, based on their overexpression during water stress, as revealed by microarray analysis and con!rmed by RT-PCR. We have selected a set of 67 candidate genes belonging to different functional groups that will be useful molecular tools for further studies on drought stress responses, adaptation, and population genomics in conifers, as well as in breeding programs. | |
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Internacional
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Si |
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JCR del ISI
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Si |
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Título de la revista
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Plant Physiology and Biochemistry |
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ISSN
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0981-9428 |
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Factor de impacto JCR
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2,402 |
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Información de impacto
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Volumen
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DOI
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doi:10.1016/j.plaphy.2011.09.022 |
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Número de revista
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50 |
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Desde la página
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44 |
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Hasta la página
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53 |
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Mes
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ENERO |
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Ranking
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