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Doctoral thesis
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DIGITAL.CSIC
Doctoral thesis . 2012 . Peer-reviewed
Data sources: DIGITAL.CSIC
https://doi.org/10.4995/thesis...
Doctoral thesis . 2015 . Peer-reviewed
Data sources: Crossref
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Análisis funcional de los factores de trascripción Tower-of-Pisa1 y Tower-of-Pisa2 y su implicación en el desarrollo del gineceo de Arabidopsis.

Authors: Trigueros González, Marina;

Análisis funcional de los factores de trascripción Tower-of-Pisa1 y Tower-of-Pisa2 y su implicación en el desarrollo del gineceo de Arabidopsis.

Abstract

Los carpelos, organizados en un gineceo, presentan el mayor grado de complejidad anatómica y funcional de entre los órganos florales. El fruto deriva fundamentalmente del gineceo y es un órgano altamente especializado cuya función, una vez se produce la polinización y fertilización, es asegurar la maduración y la posterior dispersión de las semillas. A pesar del gran progreso que ha tenido lugar en los últimos años, aún quedan por resolver numerosos interrogantes acerca de la morfogénesis del gineceo y la fructificación. Una manera obvia de contribuir al esclarecimiento de estas cuestiones es desvelar la participación de nuevos moduladores genéticos, cuyas alteraciones provoquen perturbaciones morfológicas visibles en el desarrollo del gineceo. En esta Tesis Doctoral se ha pretendido profundizar en la comprensión de las vías genéticas implicadas en el desarrollo del gineceo, así como de la coordinación de dichas rutas. Para ello se ha realizado un esfuerzo para caracterizar funcionalmente dos miembros de una familia de factores transcripcionales con dominio B3, TOP1 y TOP2, que parecían estar implicados en la diferenciación del gineceo y ser un factor común a varias de las vías ya descritas. Se ha intentado establecer cuáles son las relaciones genéticas y moleculares de estos genes con otros identificados previamente, y que actúan en distintos aspectos del desarrollo del gineceo y el fruto de Arabidopsis. Para ello, se han caracterizado funcionalmente dichos genes mediante la obtención de líneas de pérdida y de ganancia de función de los mismos, y la caracterización fenotípica de dichos mutantes. Así, se ha comprobado que están implicados redundantemente en el desarrollo de las regiones apicales del gineceo, promoviendo la diferenciación de las células del estilo y el estigma. Se ha determinado que el patrón de expresión espacio-temporal de TOP1 y TOP2 coincide con las regiones afectadas en los mutantes de pérdida de función, es decir, el estilo y el estigma. Tambié

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Spain
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Keywords

241714 - Genética vegetal, 2407 - Biología celular, 2415 - Biología molecula, 241715 - Desarrollo vegetal, Arabidopsis, Tower-of-pisa, Gineceo

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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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