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Mechanisms of developmental regulation in globin loci
P Fraser1, J Gribnau, T Trimborn
1MGC Department of Cell Biology and Genetics, Erasmus University Rotterdam, The Netherlands.
Abstract:
Recent advances in the study of globin gene switching in the context of the complete locus have contributed greatly to our understanding of the mechanisms of developmental regulation. It has become clear that the interactions between the distant locus control region and the individual globin genes, as well as the trans-acting factors and physical parameters that affect these interactions, are crucial determinants in the developmental modulation of globin gene expression. This review concentrates on recent advances in the highly studied human beta-globin locus and will compare and contrast data from the human alpha-globin locus as well as the alpha and beta loci from other species where appropriate.