The influence of maternal factors on the neonatal microbiome and health

Bin Zhu1, Myrna Serrano1, Gregory Buck1

  • 1Virginia Commonwealth University.

Research Square
|February 13, 2023
PubMed

Insights

Maternal factors significantly shape the neonatal microbiome. While the buccal microbiome mirrors the mother's, the gastrointestinal microbiome develops uniquely, influenced by maternal health and inflammation.

Area of Science:

  • Microbiome research
  • Maternal-neonatal health
  • Human gut microbiome

Background:

  • The human microbiome is crucial for health, yet maternal influences on the neonatal microbiome are not fully understood.
  • Investigating the early development of the neonatal microbiome and its determinants is essential for understanding infant health.
  • Maternal health status and environmental factors are hypothesized to play a significant role in shaping the initial microbial communities of newborns.

Approach:

  • Comparative analysis of maternal and neonatal buccal and gastrointestinal microbiomes.
  • Assessment of the impact of maternal inflammation-related metabolites on neonatal gut microbiome composition.
  • Evaluation of microbial infections in the maternal reproductive tract and their effect on neonatal microbiomes.
  • Investigation of maternal lipid supplementation as a potential mitigating factor.

Key Points:

  • Neonatal buccal microbiome composition resembles the maternal buccal microbiome.
  • Neonatal gastrointestinal microbiome exhibits distinct early-stage development, influenced by maternal inflammation.
  • Maternal reproductive tract infections universally affect neonatal microbiome complexity.
  • Maternal lipids can mitigate adverse effects of certain maternal factors on neonatal microbiomes.
  • Newborn intensive care unit (NICU) admission correlates with suboptimal maternal microbiomes and health.

Conclusions:

  • The neonatal microbiome's development is intricately linked to maternal health and specific microbial exposures.
  • Body site specificity is critical in understanding how maternal factors modulate neonatal microbiome composition.
  • Targeting maternal health and microbial status may offer strategies to optimize neonatal microbiome development and overall infant health.

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