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.
Effect of light intensity on growth of the pgsA mutant cells. A, The pgsA mutant cells grown in the presence of PG were transferred to fresh BG-11 medium and incubated under HL (white symbols) or LL (black symbols) conditions in the presence (square) or absence (circle) of PG. The values are averages of three or four independent experiments, and the bars represent the sd. B, Cultures of the pgsA mutant cells incubated with or without PG for 5 d under LL or HL conditions.
