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. 2022 Feb 10;119(7):e2111228119. doi: 10.1073/pnas.2111228119

Fig. 1.

Fig. 1.

Bile extract promotes biofilm formation of several Bacteroidales isolates. (A) B. thetaiotaomicron VPI-5482 48-h biofilm formation as a function of bile extract concentration. Mean of six biological replicates, error bars represent SD. (B and C) A 96-well plate crystal violet 48-h biofilm assay. Mean of B. thetaiotaomicron VPI-5482 grown in BHIS is adjusted to 100%. Minimum-maximum (min-max) boxplot of 6 to 12 biological replicates for each strain. *P value <0.05, **P value <0.005, Mann–Whitney U test.