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DIGITAL.CSIC
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La maduración del oocito en insectos. ¿Cómo se regula la oogénesis en las distintas especies?

Authors: Piulachs, Maria-Dolors;

La maduración del oocito en insectos. ¿Cómo se regula la oogénesis en las distintas especies?

Abstract

La formación y maduración del oocito es un proceso altamente controlado, ya que todos los acontecimientos deben ocurrir en el momento adecuado y en la secuencia correcta para que la posterior embriogénesis se realice correctamente. En insectos se distinguen dos modelos de ovario, los que tienen ovariolos de tipo panoístico y los que los tienen de tipo meroístico, más modificado. El ovario panoístico no sólo lo encontramos en insectos, sino que es el tipo más común en la mayoría de especies de invertebrados y vertebrados. Muchos de los genes que se expresan en ovarios y controlan procesos básicos, como la polaridad del oocito o la proliferación de las células germinales y de las células somáticas, están altamente conservados en las distintas especies de insectos, tanto si muestran el ovario panoístico como el meroístico, pero los mecanismos de regulación pueden ser diferentes en uno y otro. El estudio de estos mecanismos en una especie como Blattella germanica, con ovarios panoísticos, comparándolos con los de especies con ovarios meroísticos muy bien conocidas, como Drosophila melanogaster, nos permitirá reconstruir los cambios evolutivos que han pro piciado la transición de un modelo de ovario a otro.

Trabajo presentado en el V Congreso de la Sociedad Española de Biología Evolutiva (SESBE 2016), celebrado en Murcia del 18 al 21 de enero de 2016.

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selected citations
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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).
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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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