Literature DB >> 18606124

Sex chromosomes: platypus genome suggests a recent origin for the human X.

Hans Ellegren1.   

Abstract

The unusual sex chromosomes of platypus are not homologous to the human X and Y chromosomes, implying that the sex chromosomes of placental mammals evolved after the monotreme and placental mammal lineages split about 165 million years ago.

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Year:  2008        PMID： 18606124     DOI： 10.1016/j.cub.2008.05.027

Source DB:  PubMed          Journal:  Curr Biol        ISSN： 0960-9822            Impact factor:   10.834


  1 in total

1.  Enrichment of brain-related genes on the mammalian X chromosome is ancient and predates the divergence of synapsid and sauropsid lineages.

Authors:  Claus Kemkemer; Matthias Kohn; Hildegard Kehrer-Sawatzki; Reinald H Fundele; Horst Hameister
Journal:  Chromosome Res       Date:  2009       Impact factor: 5.239
  1 in total

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