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. 2017 Nov 17;85(12):e00476-17. doi: 10.1128/IAI.00476-17

TABLE 1.

The different physicochemical conditions and substrate availabilities for bacterial growth along the gut to favor the colonization of beneficial bacteria

Section of colon Characteristica
Proximal High concn of sugars and substrates
Saccharolysis
pH of approximately 5.0 to 6.0
High bacterial growth and diverse microbiota
Distal Low availability of substrate
Proteolysis
Neutral pH
Low bacterial growth and microbiota diversity
a

Data are from references 1 to 3.