Table 3 Alterations in the preterm infant gut microbiota related to feeding type
From: Determinants of microbial colonization in the premature gut
Reference | Region | Sample size (n) | Sample time | Alterations in the GMa of PTIs | ||||
|---|---|---|---|---|---|---|---|---|
MOM | DHM | Formula | Â | MOM | DHM | Formula | ||
Ford, et al. (2019) | USA | 74 | 43 | - | Within 6 weeks after birth | ↑Alpha-diversity |  | - |
Week 4 | ↑Bacteroides, Bifidobacterium, and Enterococcus | ↑Staphylococcus | - | |||||
Parra-Llorca, et al. (2018) | Spain | 34 | 28 | 7 | By the time of full enteral feeding | ↓Clostridiaceae, ↑Bifidobacterium, Staphylococcus, Clostridium, Serratia, Coprococcus, Aggregatibacter, and Lactobacillus | ↓Actinobacteria, ↑Bacteroidetes | - |
|  | Acinetobacter genus was found | Bacteroidetes was highest; Staphylococcus and Klebsiella were dominant | ||||||
Gregory, et al. (2016) | USA | 10 | 10 | 10 | First 60Â days | Initial increase in diversity | Â | Lactobacillales was highest |
Wang, et al. (2020) | USA | 10 | - | 10 | At an average of 15 and 17 days after birth | Veillonella, Escherichia/Shigella, Staphylococcus, Clostridium, Enterococcus, and Streptococcus were dominant | - | ↓Proteobacteria |