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A 7-bp insertion in the 3' untranslated region suggests the duplication and concerted evolution of the rabbit SRY gene

Armando Geraldes12 and Nuno Ferrand1*

Author Affiliations

1 CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, Campus Agrário de Vairão, 4485-661 Vairão, e Departamento de Zoologia e Antropologia, Faculdade de Ciências da Universidade do Porto, 4099-002 Porto, Portugal

2 IREC, Instituto de Investigación en Recursos Cinegéticos (CSIC/UCLM/JCCLM), Spain

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Genetics Selection Evolution 2006, 38:313-320  doi:10.1186/1297-9686-38-3-313

The electronic version of this article is the complete one and can be found online at: http://www.gsejournal.org/content/38/3/313


Received:12 August 2005
Accepted:14 December 2005
Published:26 April 2006

© 2006 INRA, EDP Sciences

Abstract

In this work we report the genetic polymorphism of a 7-bp insertion in the 3' untranslated region of the rabbit SRY gene. The polymorphic GAATTAA motif was found exclusively in one of the two divergent rabbit Y-chromosomal lineages, suggesting that its origin is more recent than the separation of the O. c. algirus and O. c. cuniculus Y-chromosomes. In addition, the remarkable observation of haplotypes exhibiting 0, 1 and 2 7-bp inserts in essentially all algirus populations suggests that the rabbit SRY gene is duplicated and evolving under concerted evolution.

Keywords:
rabbit; SRY gene; polymorphic insertion; duplication; concerted evolution

Research

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