Divergence of regulatory sequences in duplicated fish genes.

Duplicated genes can undergo different fates, from nonfunctionalization to subfunctionalization and neofunctionalization. In particular, changes in regulatory sequences affecting the expression domain of genes seem to be responsible for the latter two fates. In this study we used in silico motif detection to show how alterations in the composition of regulatory motifs between paralogous genes in zebrafish and Tetraodon might reflect the functional divergence of duplicates.

Van Hellemont, R., Blomme, T., Van de Peer, Y., Marchal, K. (2007) Divergence of regulatory sequences in duplicated fish genes. Genome Dyn 3:81-100.

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