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Fig. 6 | BMC Microbiology

Fig. 6

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. 6

Comparison of colonization abilities of L. plantarum 423 and E. mundtii ST4SA in the GIT of mice after five daily oral administrations. Lactobacillus plantarum 423 Fluc and E. mundtii ST4SA Fluc were fed once daily by oral gavage (4 × 109 CFU) to two groups of mice (n = 18, per strain) for five consecutive days (days 1 to 5). Four mice (two per group) were sacrificed from day 1 to 9, and a representative image of the GIT of one mouse is shown (days 1 to 9) in mice fed with (a) L. plantarum 423 Fluc or (b) E. mundtii ST4SA Fluc. Persistence of viable L. plantarum 423 Fluc or E. mundtii ST4SA Fluc cells in (c) the small and (d) large intestinal tract of mice sacrificed at time points indicated in A and B and day 20. The limit of detection was approximately 4 × 104 p/s

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