From: Pathophysiological role of host microbiota in the development of obesity
Habitats of the digestive tract | The number of microorganism cells per 1Â g of content | Dominant microflora | |
---|---|---|---|
Lumen microflora | Surface microflora | ||
Mouth | 108–109 | 1011–1012 | Streptococcus (60–90 %), Lactobacillus, Bifidobacterium, Propionibacterium, Bacteroides, Actinomyces |
Stomach | 102–103 | 105–106 | Acid resistant Lactobacillus, Streptococcus, Staphylococcus |
Proximal small intestine | 103–105 | 1010–1011 | Streptococcus, Lactobacillus, Enterococcus, Bifidobacterium, Escherichia, |
Distal small intestine | 108–1010 | 1010–1012 | Lactobacillus, Escherichia, Enterococcus, Bacteroides, Bifidobacterium |
Colon | 1011–1012 | 1010–1012 | Bifidobacterium, Lactobacillus, Propionibacterium, Bacteroides – 90–95 %, Escherichia, Enterococcus – 5–10 % |