Fig. 1
From: The effects of removing dead bacteria by propidium monoazide on the profile of salivary microbiome
The living state and dead proportion of salivary microbiome. A Fluorescence microscopic observation with staining immediately (upper row, Group Im) or after keeping in freezing condition (−80 °C) for 5 days (lower row, Group Fr). B The proportion of dead bacteria in the three participants (P values: 0.51, 0.84, 0.62). Error bars represented median ± quartile (n = 6)