Abstract:
:CpG islands are gene regulatory elements associated with the majority of mammalian promoters, yet how they regulate gene expression remains poorly understood. Here, we identify FBXL19 as a CpG island-binding protein in mouse embryonic stem (ES) cells and show that it associates with the CDK-Mediator complex. We discover that FBXL19 recruits CDK-Mediator to CpG island-associated promoters of non-transcribed developmental genes to prime these genes for activation during cell lineage commitment. We further show that recognition of CpG islands by FBXL19 is essential for mouse development. Together this reveals a new CpG island-centric mechanism for CDK-Mediator recruitment to developmental gene promoters in ES cells and a requirement for CDK-Mediator in priming these developmental genes for activation during cell lineage commitment.
journal_name
Elifejournal_title
eLifeauthors
Dimitrova E,Kondo T,Feldmann A,Nakayama M,Koseki Y,Konietzny R,Kessler BM,Koseki H,Klose RJdoi
10.7554/eLife.37084subject
Has Abstractpub_date
2018-05-29 00:00:00issn
2050-084Xpii
37084journal_volume
7pub_type
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