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 endogenous carotenoids on the number of Lac+ mutants arising as a function of time of incubation on selective agar. (a) FC40 (●) and FC40pPL376 (□); (b) FC40pPL376 (□) and FC40pART53 (■); (c) CM1423 (rpoS) (□) and CM1424 (rpoS pPL376) (▲). FC40pPL376 is the only strain expressing carotenoids. Means and standard errors of at least three experiments.
