The active spatial organization of the β-globin locus requires the transcription factor EKLF

R Drissen, RJ Palstra, N Gillemans… - Genes & …, 2004 - genesdev.cshlp.org
R Drissen, RJ Palstra, N Gillemans, E Splinter, F Grosveld, S Philipsen, W de Laat
Genes & development, 2004genesdev.cshlp.org
Three-dimensional organization of a gene locus is important for its regulation, as recently
demonstrated for the β-globin locus. When actively expressed, the cis-regulatory elements of
the β-globin locus are in proximity in the nuclear space, forming a compartment termed the
Active Chromatin Hub (ACH). However, it is unknown which proteins are involved in ACH
formation. Here, we show that EKLF, an erythroid transcription factor required for adult β-
globin gene transcription, is also required for ACH formation. We conclude that transcription …
Three-dimensional organization of a gene locus is important for its regulation, as recently demonstrated for the β-globin locus. When actively expressed, the cis-regulatory elements of the β-globin locus are in proximity in the nuclear space, forming a compartment termed the Active Chromatin Hub (ACH). However, it is unknown which proteins are involved in ACH formation. Here, we show that EKLF, an erythroid transcription factor required for adult β-globin gene transcription, is also required for ACH formation. We conclude that transcription factors can play an essential role in the three-dimensional organization of gene loci.
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