Author:
Breuer Manuel,Ohkura Hiroyuki
Abstract
The nuclear pore complex (NPC) tethers chromatin to create an environment for gene regulation, but little is known about how this activity is regulated to avoid excessive tethering of the genome. Here we propose a negative regulatory loop within the NPC controlling the chromatin attachment state, in which Nup155 and Nup93 recruit Nup62 to suppress chromatin tethering by Nup155. Depletion of Nup62 severely disrupts chromatin distribution in the nuclei of female germlines and somatic cells, which can be reversed by codepleting Nup155. Thus, this universal regulatory system within the NPC is crucial to control large-scale chromatin organization in the nucleus.
Funder
National Institutes of Health
National Institutes of Health/National Institute of General Medical Sciences
Wellcome Trust
Publisher
Cold Spring Harbor Laboratory
Subject
Developmental Biology,Genetics
Cited by
44 articles.
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