Nature CommunicationsMitochondrial SUMOylation of NDUFA9 drives ClpP-dependent degradation and complex I dysfunction in a Leigh syndrome–associated mutationJiaqian FengXueran KangXinyue LiXiao-Dong WangYi QiuSi-Jian PanYong Li2026-08-24Full textDOI https://doi.org/10.1038/s41467-026-76997-0