Contact: Jordan Reese
jreese@pobox.upenn.edu
215-573-6604
University of Pennsylvania
Caption: A stem cell nucleus flows like a soft plastic. The chromatin fibers are tagged yellow and a dark stripe is painted to help visualize the flow into a micro-capillary.
Credit: Proceedings of the National Academy of Sciences and the University of Pennsylvania
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Related news release: Stem cell nuclei are soft 'hard drives,' Penn study finds