Related Experiment Video
Updated: Mar 20, 2026

A Murine Model of Fetal Exposure to Maternal Inflammation to Study the Effects of Acute Chorioamnionitis on Newborn Intestinal Development
Published on: June 24, 2020
Fetal, neonatal, and infant microbiome: Perturbations and subsequent effects on brain development and behavior
1Department of Neuroscience, Karolinska Institutet, Stockholm, Sweden.
Insights
The gut microbiota, a complex microbial community, significantly influences brain development and function. Disturbances in its early assembly can negatively impact motor, social, and cognitive functions.
Area of Science:
- Microbiology
- Neuroscience
- Developmental Biology
Background:
- The human gastrointestinal tract hosts a complex gut microbiota crucial for early life development.
- Gut microbiota influences epithelial barrier function, homeostasis, angiogenesis, and immune system development.
- Emerging research highlights the gut microbiota's broader impact on host physiology, including brain development and behavior.
Purpose of the Study:
- To review recent findings on the gut microbiota's impact on brain development.
- To explore how disruptions in gut microbiota assembly affect motor, social, and cognitive functions.
- To consider the relationship between the gut microbiota and the developing brain's metabolic needs.
Main Methods:
- Literature review of recent scientific findings.
- Analysis of studies investigating gut microbiota-brain axis.
- Synthesis of research on microbiota's role in neurodevelopment.
Main Results:
- Gut microbiota plays a critical role in programming brain development and behavior.
- Altered gut microbiota assembly and maturation are linked to impaired motor, social, and cognitive development.
- The gut microbiota may influence the metabolic demands of the developing brain.
Conclusions:
- The gut microbiota is a key environmental factor influencing neurodevelopment.
- Early-life gut microbiota disturbances have long-term consequences for brain function.
- Further research is needed to elucidate the mechanisms underlying the gut microbiota-brain axis.
Abstract:
The human gastrointestinal tract harbors a diverse and complex community of microbes, termed gut microbiota, that normally assemble during the first postnatal years of life. This evolution-driven process has been shown to contribute to the developmental programming of epithelial barrier function, gut homeostasis, and angiogenesis, as well as the development and function of the immune system. Research over the last few years has revealed that the actions of the gut microbiota have much wider effects on host physiology and development than originally believed, including the modulation of brain development and behavior. This article briefly reviews recent findings on the impact of the gut microbiota on brain development, and how disturbances in the assembly and maturation of the gut microbiota may impact development of motor, social, and cognitive functions. The potential link between microbiota and metabolic requirements of the developing brain is also considered.
Related Concept Videos
Gut-Brain Axis
Development of the Oral Microbiota
Development of Human Microbiota
Introduction to the Human Microbiota
Teratogenicity
Anatomy of the Intestines
Small Intestines
The small intestine is an ~7 meter-long tube with an inner diameter of just 2.5 cm. Since most nutrients are absorbed here, the inner lining of the...

