Table 2.

The alteration of microbiota in gut in the conditions of obesity

Phylum	Class	Order (Genera)	The trends of changes	Reference
Bacteroidetes	Bacteroidetes	Bacteroidales (Bacteroides)	↓	[20, 110, 111]
		Bacteroidales (Prevotella)	↑	[24, 110]
Firmicutes	Bacilli	Bacillales (Bacillus)	↑	[19]
		Lactobacillales	↓	[20]
	Clostridia	Clostridiales (Clostridium)	↑	[23, 112]
Actinobacteria	Actinobacteria	Actinomycetales	↑	[23]
	Actinobacteria	Bifidobacteriales (Bifidobacterium)	↓	[12]
Euryarchaeota (domain Archaea)	Methanobacteria		↑	[24]