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.
Expression araC-PBad-gfp in a P. aeruginosa PAO1 biofilm. The biofilm was grown in the presence of 0.2% l-arabinose. The images are from 3- and 5-day biofilms. (A) GFP fluorescence; (B) SYTO 62 fluorescence; (C) a merged image from panels A and B. Regions of overlapping green and red fluorescence appear yellow in panel C. Bar, 50 μm.
