# Salk scientists build a library of 155 mitochondrial DNA mutant cell lines. - slug: salk-scientists-build-a-library-of-155-mitochondrial-dna-mutant-cell-lines - date: 2026-04-08 - category: Biotech & Life Sciences A new platform from Ronald Evans and Weiwei Fan generates mouse models of mitochondrial DNA diseases in weeks rather than years — potentially unlocking the bottleneck that has slowed drug discovery for 260 known disease mutations. ---