DNA repair pathway-related proteins are involved in the circularization step of microDNA eccDNAfib-L. - Tong, Xinyu; Qiu, Qunnan; Hu, Xiaolong; Liu, Zhe; Yin, Mei; Li, Liuyang; Lei, Chao; Feng, Yongjie; Zhu, Min; Gong, Chengliang (Communications Biology, 2026)