Genomics

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ATAC-seq data from Drosophila melanogaster cell line Kc167 in different osmostress conditions


ABSTRACT: Chromatin is organized into a 3D interwoven tapestry of multi-layer architectural features important for controlling gene expression. How distinct layers influence each other and quickly they quickly they respond to cellular environment is unclear. Using Hi-C in Drosophila melanogaster, we measure how 3D chromatin organization responds to cellular hyperosmotic stress. In combination with the hd-pairing method, we demonstrate that chromosome unpairing represents a fast an reversible response to hyperosmotic stress. We identify a novel function of the Z4 protein as an anti-pairer, which we demonstrate is necessary for changes to chromatin organization during hyperosmotic stress. Finally, we demonstrate how changes to pairing impacts the other interwoven layers of 3D chromatin organization.

ORGANISM(S): Drosophila melanogaster

PROVIDER: GSE213550 | GEO | 2024/03/19

REPOSITORIES: GEO

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