Figure 4From: Enhancing bile tolerance improves survival and persistence of Bifidobacterium and Lactococcus in the murine gastrointestinal tractEffect of bilE on gastrointestinal persistence over 3 days. Lactococcus lactis bilE+ (black circles) and Lactococcus lactis bilE- (white circles) were used for peroral inoculation of female BALB/c mice (n = 5). Lactococcus lactis counts were determined in stools at 24, 48 and 72 hour intervals. Error bars represent the standard deviation of five animals. **; P < 0.001 compared with the control.Back to article page