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.
Tail suspension test in gnotobiotic rats mono-associated with the WT E. coli strain (“I+” rats) or with the mutant inactivated for the tnaA gene (“I−” rats). Duration of immobility (n = 11 rats/group, Mann-Whitney test). Data are medians with interquartile ranges. *P < 0.05.
