Figure 5. Genetic Pathways Determining Replicative Life Span in Yeast.
Sir2 and CR act in parallel pathways to slow aging. Both pathways are affected by nicotinamide levels.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.