Genomics

Dataset Information

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A new model for long-range chromatin reorganization linked to enhancer activation [Agilent_ChIP]


ABSTRACT: The most prominent model for long-range enhancer regulation involves direct enhancer-promoter interaction by looping out the intervening chromatin. Using a synthetic biology approach, we have determined that a chromatin unfolding bteween Shh and its enhancers is regulated specifically by the Shh-Brain-Enhancers and is mediated by the recruitment of Poly (ADP-Ribose) Polymerase 1. This ‘chromatin unfolding’ model represents a new mechanism of long-range enhancer-promoter communication in addition to the looping and tracking models. ChIP-on-chip for H3K27me3 on the Shh regulatory region on ESCs and transfected ESCs and NPC showed no loss of Polycomb marks upon Shh activation.

ORGANISM(S): Mus musculus

PROVIDER: GSE89550 | GEO | 2016/11/04

SECONDARY ACCESSION(S): PRJNA352543

REPOSITORIES: GEO

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