Nuclear lamins are not required for lamina-associated domain organization in mouse embryonic stem cells.


In mammals, the nuclear lamina interacts with hundreds of large genomic regions, termed lamina-associated domains (LADs) that are generally in a transcriptionally repressed state. Lamins form the major structural component of the lamina and have been reported to bind DNA and chromatin. Here, we systematically evaluate whether lamins are necessary for the LAD organization in murine embryonic stem cells. Surprisingly, removal of essentially all lamins does not have any detectable effect on the genome-wide interaction pattern of chromatin with emerin, a marker of the inner nuclear membrane. This suggests that other components of the lamina mediate these interactions.

More about this publication

EMBO reports
  • Volume 16
  • Issue nr. 5
  • Pages 610-7
  • Publication date 01-05-2015

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