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Fig. 1 | Gut Pathogens

Fig. 1

From: Possible correlation between gut microbiota and immunity among healthy middle-aged and elderly people in southwest China

Fig. 1

Composition of gut microbiota. a Composition of gut microbiota at the phylum level. Phyla with relative abundance greater than 0.5% are presented. The lower abundant phyla are grouped as ‘Others’. Bacteroidetes level was lower in the elderly group than that in the middle-aged group, but no significant differences were observed. b Bacteroidetes/Firmicutes ratio. Middle-aged group, 0.51; elderly group, 0.46. Bacteroidetes/Firmicutesratio was lower in the elderly group than that in the middle-aged group, but no significant differences were observed. c Correlation between age and gut microbial composition at genus level. Spearman’s correlation coefficient was calculated between microbial composition and age. * and ** indicate significant difference at a P value of < 0.05 and < 0.01, respectively

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