An official website of the United States government
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.
 Image Number D3023-2 |
Autar Mattoo (foreground) and postdoctoral fellow Rakesh Upadhyay are studying plant genes involved in metabolic pathways related to growth and longevity. Here they are using quantitative polymerase chain reaction to analyze tomato genes.
Photo by Peggy Greb.
