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Fig. 7 | BMC Microbiology

Fig. 7

From: In vivo bioluminescence imaging of the spatial and temporal colonization of lactobacillus plantarum 423 and enterococcus mundtii ST4SA in the intestinal tract of mice

Fig. 7

Persistence of L. plantarum 423 and E. mundtii ST4SA in mouse faeces after five daily oral administrations. Groups of three mice (n = 3, per strain) each were administered once daily (days 1 to 5) with 4 × 109 CFU L. plantarum 423 Fluc or E. mundtii ST4SA Fluc for five consecutive days. Mouse faeces were collected daily from days 1 to 20. At each time point, log10 averages of the a cell counts per 100 mg faeces and the corresponding b bioluminescence in log10 p/s per 100 mg faeces for each group of three mice are plotted with standard deviations. Significant differences between the two groups were assessed using the Mann-Whitney nonparametric test and are indicated with one (P < 0.05), two (P < 0.01) or three (P < 0.001) asterisks. The background bioluminescence signal (approximately 5 × 103 p/s) emitted is represented by a dashed line

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