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Representative fluorescence microscopy images of reference H. pylori J99 and Tx30a strains exposed to a gradient concentration of myricetin. The minimal inhibitory concentration (MIC) in both strains counts for 160 µg/mL, while minimal bactericidal concentration (MBC) is equal to 2× MIC and counts for 320 µg/mL. Bacterial cells were stained with a LIVE/DEAD kit. The scale bar shows 20 µm.
