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. 2017 Jun 28;8:1206. doi: 10.3389/fmicb.2017.01206

FIGURE 5.

FIGURE 5

Effect of L. delbrueckii subspecies on nematode lifespan and gut colonization capacity. (A) Kaplan–Mèier survival plot of N2 worms fed the three L. delbrueckii strains or controls (LGG and Escherichia coli OP50); n = 60 for each data point of single experiments. Asterisks indicate the P-values (log-rank test) with respect to the control E. coli OP50. Different letters indicate statistically significant differences (P < 0.05). (B) Bacterial colony forming units (CFU) recovered from nematodes, obtained by plating whole lysates of L4 and 5-days adults fed the three L. delbrueckii strains or controls (LGG and E. coli OP50). Bars represent the mean of three independent experiments.