Widespread reorganisation of pluripotent factor binding and gene regulatory interactions between human pluripotent states

Peter Chovanec, Amanda J. Collier, Christel Krueger, Csilla Várnai, Claudia I. Semprich, Stefan Schoenfelder, Anne E. Corcoran, Peter J. Rugg-Gunn

Research output: Contribution to journalArticlepeer-review

Abstract

The transition from naive to primed pluripotency is accompanied by an extensive reorganisation of transcriptional and epigenetic programmes. However, the role of transcriptional enhancers and three-dimensional chromatin organisation in coordinating these developmental programmes remains incompletely understood. Here, we generate a high-resolution atlas of gene regulatory interactions, chromatin profiles and transcription factor occupancy in naive and primed human pluripotent stem cells, and develop a network-graph approach to examine the atlas at multiple spatial scales. We uncover highly connected promoter hubs that change substantially in interaction frequency and in transcriptional co-regulation between pluripotent states. Small hubs frequently merge to form larger networks in primed cells, often linked by newly-formed Polycomb-associated interactions. We identify widespread state-specific differences in enhancer activity and interactivity that correspond with an extensive reconfiguration of OCT4, SOX2 and NANOG binding and target gene expression. These findings provide multilayered insights into the chromatin-based gene regulatory control of human pluripotent states.
Original languageEnglish
Article number2098
Number of pages18
JournalNature Communications
Volume12
Issue number1
Early online date7 Apr 2021
DOIs
Publication statusPublished - Dec 2021

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