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Nature 430, 25-26 (1 July 2004) | doi:10.1038/430025a

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Evolutionary genomics:  Seeing double

André Goffeau1

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How do genomes evolve? Studies of numerous yeast species confirm the view that the duplication of genes, larger chromosomal segments and whole genomes are key mechanisms.

In a typical evolutionary tree, the yeast species stand on a branch apart from those of plants and animals. But the cells that make up these three types of organism have some crucial similarities, such as the presence of a nucleus and other subcellular structures.

  1. André Goffeau is at the Institut des Sciences de la Vie, Université Catholique de Louvain, 1348 Louvain-la-Neuve, Belgium.
    e-mail: Email: goffeau@fysa.ucl.ac.be

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