Extrachromosomal circular DNA formation follows a 10.5-bp periodicity reflecting the minor groove orientation around nucleosomes
Aitor Zabala, Alex M. Ascensión, Frederik Otzen Bagger, Anders Krogh, David Otaegui, Iñigo Prada-Luengo
The paper analyzes eccDNA length distributions and breakpoint organization across multiple datasets to show that eccDNA formation is influenced by nucleosome positioning and DNA helix orientation.
bioRxiv · Oct 21, 2026 · PreprintGenomics