ArticlebioRxiv : the preprint server for biology2026
PDS5A and TOP2B cooperate for chromatin recruitment via CTCF.
Article in bioRxiv : the preprint server for biology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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3 authors.
Funding
Abstract
PDS5A, a regulatory subunit of the cohesin complex, and topoisomerase IIB (TOP2B), an enzyme resolving DNA topological problems, interact with CTCF and regulate transcription, chromatin loops, and genome organization. Yet, how PDS5A and TOP2B are recruited to chromatin to exert their function is not well-understood. Here, we studied the functional relationship between PDS5A and TOP2B and the resultant impact on genome organization and gene expression. Interestingly, TOP2B-PDS5A cooperate for their recruitment to CTCF-bound chromatin sites. The presence of catalytically active TOP2B increased PDS5A occupancy genome-wide. Notably, a novel PDS5A-CTCF interaction region in the CTCF N-terminal 95-116aa was required for CTCF-PDS5A-TOP2B interaction
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