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Dynamics of Gut Microbiota According to the Delivery Mode in Healthy Korean Infants

Eun Lee1, Byoung Ju Kim1,2, Mi Jin Kang3

  • 1Department of Pediatrics, Inje University Haeundae Paik Hospital, Busan, Korea.

Allergy, Asthma & Immunology Research
|June 24, 2016
PubMed

Insights

Delivery mode significantly impacts infant gut microbiota composition. While cesarean-born infants initially show lower diversity, microbial profiles converge with age, influencing immune system development and allergy risk.

Area of Science:

  • Microbiology
  • Immunology
  • Pediatrics

Background:

  • Infant gut microbiota is crucial for immune system development.
  • Imbalances in gut microbiota are linked to increased allergy risk.
  • Delivery mode influences early-life microbial colonization.

Purpose of the Study:

  • To investigate the impact of delivery mode on infant gut microbiota dynamics.
  • To analyze temporal changes in gut microbiota in relation to birth method.
  • To understand the long-term effects of delivery mode on infant gut microbiome composition.

Main Methods:

  • 16S rRNA shotgun sequencing of fecal samples.
  • Collection of samples at 1-3 days, 1 month, and 6 months postpartum.
  • Comparison of gut microbiota between vaginally born and cesarean-born infants.

Main Results:

  • Vaginal delivery infants exhibited higher gut microbiota richness and diversity initially.
  • Cesarean delivery infants showed increased Bacilli and Clostridium g4 abundance.
  • Microbiota differences diminished over time, with converging profiles of Firmicutes and Bacteroides.

Conclusions:

  • Delivery mode has a transient effect on infant gut microbiota composition.
  • Early-life microbial colonization patterns influence immune development.
  • Further research is needed to fully understand the long-term health implications.

Keywords:
Delivery modegutmicrobiota

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