News for Healthier Living

DNA Shape and Rigidity Regulate Key Players of Gene Expression

* Researchers found how the INO80 protein moves nucleosomes to specific positions that are important for gene regulation and DNA replication * INO80 uses a unique mechanism for moving nucleosomes that depends on DNA shape and flexibility * INO80 bends DNA, causing large stretches to be displaced and create loops around the nucleosome * Inflexible, or rigid, DNA interferes with bending and displacement, which causes INO80 to stop and uniquely position the nucleosomes

November 24, 2025


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