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.
Flow cytometric analysis of E. coli MC4100/pTGFP2 cells (induced with 50 ng of oxytetracycline per ml) within soil. Region 1 defines where bacteria lie according to size (left). The second dot plot (right) is gated on bacteria (region 1 [R1]). Region 2 (R2) defines the population of GFP-expressing bacteria.
