AtCHE1, the Arabidopsis homolog of mammalian AATF/Che-1 protein, is involved in safeguarding genome stability. - Liu, Fang; Wang, Bingshan; Wang, Xiangyang; Dong, Daofeng; De Veylder, Lieven; Qi, Shengdong; Horvath, Beatrix M.; Palme, Klaus; Li, Xugang (Communications Biology, 2025)