Extrachromosomal Circular DNA Function as Mobile Elements to Alter the Mammalian Germline Genome
Xin Zhang, Melanie Evans, Shreya Rajachandran, Angie Huang, Yanfeng Zhang, Karla J. Saner, Lin Xu, Kyle E. Orwig, Remus Stana, Orhan Bükülmez, Vladimir B. Seplyarskiy, Haiqi Chen
This study shows that extrachromosomal circular DNA (eccDNA) in the male germline can integrate into the genome and contribute to structural variations, with diabetes increasing eccDNA levels in sperm.
bioRxiv · Sep 7, 2026 · PreprintDevelopmental Biology