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Updated: Jul 13, 2026

Epigenetic Regulation of Cardiac Differentiation of Embryonic Stem Cells and Tissues
Published on: June 3, 2016
Intergenic transcription, cell-cycle and the developmentally regulated epigenetic profile of the human beta-globin
Joanne Miles1, Jennifer A Mitchell, Lyubomira Chakalova
1Laboratory of Chromatin and Gene Expression, Babraham Institute, Babraham Research Campus, Cambridge, United Kingdom.
Abstract:
Several lines of evidence have established strong links between transcriptional activity and specific post-translation modifications of histones. Here we show using RNA FISH that in erythroid cells, intergenic transcription in the human beta-globin locus occurs over a region of greater than 250 kb including several genes in the nearby olfactory receptor gene cluster. This entire region is transcribed during S phase of the cell cycle. However, within this region there are approximately 20 kb sub-domains of high intergenic transcription that occurs outside of S phase. These sub-domains are developmentally regulated and enriched with high levels of active modifications primarily to histone H3. The sub-domains correspond to the beta-globin locus control region, which is active at all developmental stages in erythroid cells, and the region flanking the developmentally regulated, active globin genes. These results correlate high levels of non-S phase intergenic transcription with domain-wide active histone modifications to histone H3.
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