Murine colonization experiments.

<p>LOG CFU of <i>B. breve</i> UCC2003 or <i>B. breve</i> UCC2003-luxS, retrieved from the murine small intestine, cecum and large intestine (15 days after the last administration). Data are shown for single strain administration as well as for the simultaneous administration of equal numbers of both strains. Numbers shown are means ± SEM. BDL: below detection limit. (*, significantly lower than WT; p<0.05, n = 7).