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Table 2 The effect of various diets on the composition of gut microbiota diversity

From: The role of Gut Microbiota in the development of obesity and Diabetes

Diet Type

Effect on bacteria

High Fat Diet

Decrease of genera within the class Clostridia in the ileum. Increase Bacteroidales in large intestine [130]

Increase Lactobacillus spp., Bifidobacterium spp., Bacteroides spp., and Enterococcus spp. Decrease Clostridium leptum and Enterobacter spp. [131]

Increase Firmicutes to Bacteriodetes ratio. And increased Enterobecteriaceae [132]

increase Bacteroidales, Clostridiales and Enterobacteriales [133]

Vegetarian Diet

Decrease Acteroides spp., Bifidobacterium spp., Escherichia coli and Enterobacteriaceae spp. [134]

Decrease Enterobacteriaceae and increase Bacteroides [135]

Increase Bacteroidetes, and decrease Firmicutes and Enterobacteriaceae [136]

Calorie restricted

Decrease Firmicutes to Bacteroidetes ratio [137]