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Mitochondria are continuously exposed to damage that contributes to aging and disease. While prolongedly damaged mitochondria are eliminated by mitophagy, how cells respond to transient damage remains unclear. Here, we establish a cell-based system to induce transient mitochondrial stress and resolve its recovery dynamics. We identify the E3 ubiquitin ligase mahogunin ring finger 1 (MGRN1) as a damage-threshold sensor that discriminates between transient and prolonged mitochondrial insults....

It’s far too early to declare a discovery, physicists with the LZ detector say

State initiatives this fall and in early 2028 will gauge voters’ appetite for science, but controversy has grown around one proposal