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DIGITAL.CSIC
Conference object . 2012 . Peer-reviewed
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Utilización del locus Ph1 para la transferencia genética de caracteres

Authors: Calderón, M. Carmen; Martín, Antonio; Prieto, Pilar;

Utilización del locus Ph1 para la transferencia genética de caracteres

Abstract

El trigo es uno de los cultivos más importantes a nivel mundial. A pesar de la complejidad de su genoma (poliploide), los trigos duros (tetraploides) y harineros (hexaploides) se comportan como diploides durante la división meiótica (división celular en la que el contenido genético se reduce a la mitad). Cada cromosoma sólo reconoce para asociarse a su idéntico (homólogo) y no a los parecidos (homeólogos). Existen varios genes que controlan este proceso de apareamiento homólogo en trigo, siendo el locus Ph1 el que presenta un mayor efecto. Si los cromosomas son homólogos se reconocen perfectamente lo que les permite aparear y recombinar con éxito. En ausencia del locus Ph1 no existe tal requerimiento de homología, por lo que se incrementa la probabilidad de que cromosomas homeólogos (relacionados) puedan aparear. En este resumen se presenta un proyecto de mejora genética de trigo utilizando los mutantes ph1 como herramienta de rutina para promover recombinación inter-específica entre trigo y especies relacionadas (cebadas silvestre y cultivada).

Unión Europea (ERC- Starting grants 200840I207) y el Ministerio de Ciencia e Innovación (AGL2009-10511).

Peer reviewed

3 páginas.

Country
Spain
Keywords

Meiosis, Ph1, Introgresiones genéticas, Trigo, Apareamiento homólogo

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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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