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Published on: June 24, 2020
Development of intestinal microbiota in infants and its impact on health
Sebastien Matamoros1, Christele Gras-Leguen, Françoise Le Vacon
1Institut des Nutraceutiques et des Aliments Fonctionnels (INAF), Université Laval, 2440, Boul. Hochelaga, Quebec G1V 0A6, Canada.
Insights
The infant gut microbiota undergoes rapid development influenced by various factors, making a universal standard difficult to define. This review explores early gut microbial colonization and its health impacts.
Area of Science:
- Microbiology
- Immunology
- Gastroenterology
Background:
- The intestinal microbiota is crucial for human health, aiding digestion, immunity, and barrier function.
- Infant gut microbiota development involves dynamic shifts in microbial composition.
- Factors like diet, delivery mode, and environment significantly shape infant gut microbial communities.
Purpose of the Study:
- To review current research on early gut microbial colonization in infants.
- To discuss the developmental trajectory of the infant intestinal microbiota.
- To highlight the impact of gut microbiota on infant health.
Main Methods:
- Literature review of recent scientific data.
- Synthesis of findings on microbial colonization and development.
- Analysis of factors influencing microbiota composition.
Main Results:
- Early gut colonization is complex and highly variable.
- Infant gut microbiota composition is influenced by numerous external factors.
- No single standard for infant gut microbiota development exists.
Conclusions:
- Understanding early gut microbial development is key to infant health.
- Individualized approaches may be necessary due to variability.
- Further research is needed to fully elucidate the microbiota-health connection.
Abstract:
Throughout the human lifetime, the intestinal microbiota performs vital functions, such as barrier function, metabolic reactions, trophic effects, and maturation of the host's innate and adaptive immune responses. Development of the intestinal microbiota in infants is characterized by rapid and large changes in microbial abundance, diversity, and composition. These changes are influenced by medical, cultural, and environmental factors such as mode of delivery, diet, familial environment, diseases, and therapies used. Thus, it is nearly impossible to define a universal standard for intestinal colonization and development of the intestinal microbiota. This review discusses recent data on the early colonization of the gut by microbial species, development of the intestinal microbiota, and its impact on health.
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