Fig. 8

Luminescence intensity of engineered vaginal lactobacilli as a function of bacterial concentration. Lactiplantibacillus plantarum (red circles), Lactobacillus gasseri (brown circles), Lactobacillus jensenii (blue circles), Lactobacillus crispatus (green circles). Non-transformed bacteria (black diamonds) and phosphate-buffered saline (grey triangles) were used as controls