PNAS
Metabolic byproduct extended lifespan in yeast cells
Experiments linked the effect to a brief burst of reactive oxygen molecules and a transporter protein called Ybt1.Experiments linked the effect to a brief burst of reactive oxygen molecules and a transporter protein called Ybt1.
Experiments in yeast cellsMechanisms
Limit: Chronological lifespan captures nondividing cell survival, not the number of divisions cells can complete