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Metagenomics and development of the gut microbiota in infants
Y Vallès1, M J Gosalbes, L E de Vries
1Unitat Mixta d'Investigació en Genòmica i Salut, Centre Superior d'Investigació en Salut Pública/UVEG-Institut Cavanilles, València, Spain.
Insights
Infant gut microbiota development is complex and influenced by antibiotics. This study uses metagenomics to explore microbial functions, antibiotic resistance, and population dynamics in infant gut microbiomes.
Area of Science:
- Microbiology
- Genomics
- Infant Health
Background:
- A balanced intestinal microbiota is crucial for human health.
- Infant gut microbial colonization is complex and varies significantly between individuals.
- The infant gut microbiota can be exposed to antibiotics, potentially harboring resistant strains and genes.
Purpose of the Study:
- To investigate infant microbiota development using diverse metagenomic approaches.
- To analyze the deployment of functional capabilities at the community level.
- To assess antibiotic resistances and population dynamics of dominant genera in infant gut microbiomes.
Main Methods:
- Utilizing diverse metagenomic approaches.
- Analyzing functional gene content and metabolic pathways.
- Characterizing the abundance and dynamics of microbial genera.
- Identifying and quantifying antibiotic resistance genes.
Main Results:
- Detailed characterization of microbial community structure and function in infants.
- Identification of specific antibiotic resistance genes and their prevalence.
- Understanding the population dynamics of key bacterial genera during early life.
- Insights into the early establishment of the infant gut microbiome.
Conclusions:
- Metagenomic analysis provides a comprehensive view of infant gut microbiota development.
- Antibiotic resistance is a significant factor in the early infant gut microbiome.
- Understanding these dynamics is crucial for infant health and potential interventions.
Abstract:
The establishment of a balanced intestinal microbiota is essential for numerous aspects of human health, yet the microbial colonization of the gastrointestinal tract of infants is both complex and highly variable among individuals. In addition, the gastrointestinal tract microbiota is often exposed to antibiotics, and may be an important reservoir of resistant strains and of transferable resistance genes from early infancy. We are investigating by means of diverse metagenomic approaches several areas of microbiota development in infants, including the deployment of functional capabilities at the community level, the presence of antibiotic resistances and the population dynamics of the most abundant genera.
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