Journal
TRENDS IN GENETICS
Volume 22, Issue 12, Pages 637-639Publisher
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.tig.2006.09.008
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The chromosome conformation capture technique is used to monitor intra- and intermolecular chromosomal associations. By introducing an adaptation of this technique, Ling and colleagues have identified an unexpected coassociation between two loci on separate chromosomes in mouse nuclei, the imprinted Igf2-H19 locus of chromosome 7 and the Wsb1-Nf1 locus of chromosome 11. Strikingly, this interaction is CCCTC-binding factor (CTCF)-dependent and strictly allele specific. These findings extend our appreciation for genome organization and its influence on gene expression and imprinting.
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