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@pnas.org Sep 24, 2026, 5:05 PM

Biology textbook descriptions of #chromosomes may fall short. The cellular structures aren’t composed of carefully folded #DNA, a recent study shows. Instead, they’re dual-phase gels. In PNAS Journal Club: https://ow.ly/jgBI50ZR52R

#IonicHydrogel #histones #protein

The behavior of chromosomes matches that of an ionic hydrogel, which can exist in a decondensed or condensed phase.
Image credit: Shutterstock / CHIARI VFX.

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