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.
Plasmid loss in the absence of antibiotic selection. Overnight cultures were spread onto LB agar plates and LB agar plates containing chloramphenicol to determine the percentage of cells harboring plasmid. Errors bars represent the standard deviation for at least two independent experiments.
