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Naturaleza y origen de los cromosomas B de Locusta migratoria

Authors: Ruiz-Ruano, Francisco J.;

Naturaleza y origen de los cromosomas B de Locusta migratoria

Abstract

El saltamontes Locusta migratoria es el causante de una de las plagas más devastadoras sobre la agricultura: las plagas de langosta. Su genoma se caracteriza por tener uno de los sistemas de cromosomas B más ampliamente distribuidos de todos los estudiados en plantas y animales, puesto que se ha encontrado en poblaciones naturales de Asia, África, Australia y Europa. Con anterioridad al presente trabajo, se sabía que el cromosoma B de L. migratoria contiene genes para las histonas H3 y H4. La comparación de la secuencia de estos genes entre los cromosomas A y B ha sugerido que el cromosoma B probablemente derivó del autosoma 8, ya que éste es el único cromosoma A que muestra genes para las histonas H3 y H4. La divergencia en secuencia para estos genes entre cromosomas A y B proporcionó una primera estima de la edad mínima del cromosoma B (750.000 años). El objetivo general de esta tesis doctoral es profundizar en el conocimiento del origen y evolución de los cromosomas B de L. migratoria mediante el análisis de su contenido molecular, tanto de ADN repetitivo como de genes codificadores de proteínas, que puede ser indicativo de su posible origen y papel biológico.

Beca Predoctoral de Formación de Personal Docente e Investigador (FPDI) de la Consejería de Economía, Innovación, Ciencia y Empleo de la Junta de Andalucía

Consejería de Economía, Innovación, Ciencia y Empleo de la Junta de Andalucía a través del Proyecto de Investigación de Excelencia P10-CVI-6649

Tesis Univ. Granada. Departamento de Genética

Country
Spain
Related Organizations
Keywords

Cromosomas, Hibridación, Locusta migratoria, Cromosoma B, Bioinformática, 2407, Genética, 611.018

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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!
0
Average
Average
Average
Green