Nature, Published online: 21 October 2026; doi:10.1038/s41586-026-10733-y

Proteotoxic stress drives formation of GRP75-dependent protein aggregates that signal through mitochondria–ER contact sites to activate targeted quality-control pathways, enabling selective clearance of damaged proteins and preserving mitochondrial integrity.

Nature, Published online: 21 October 2026; doi:10.1038/s41586-026-11205-z

Pinal, a 16-billion-parameter artificial intelligence model, designs functional proteins from natural-language descriptions, demonstrating experimentally validated activities and improved CO2-fixation product yields without iterative optimization.