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A Method for Targeted 16S Sequencing of Human Milk Samples
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Methodological approaches for studying the human milk microbiome.

Lisa F Stinson1, Jie Ma1, Azhar S Sindi2,3

  • 1are with the School of Molecular Sciences, The University of Western Australia, Perth, Australia.

Nutrition Reviews
|September 21, 2022
PubMed
Summary
This summary is machine-generated.

Analyzing the human milk microbiome presents challenges in sample handling and DNA analysis. This study addresses these issues, offering recommendations for accurate microbiome research to benefit maternal and infant health.

Keywords:
16S rRNA gene sequencingDNA extractionhuman milkmethodologymicrobiomesamplingwhole-genome sequencing

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Area of Science:

  • Microbiology
  • Human Microbiome Research
  • Infant Health

Background:

  • Human milk harbors a low-biomass, low-diversity bacterial microbiome.
  • This microbiome is crucial for infant and maternal health.
  • Studying the human milk microbiome is methodologically challenging.

Purpose of the Study:

  • To discuss the technical challenges in analyzing the human milk microbiome.
  • To analyze various methodological approaches to overcome these challenges.
  • To propose recommendations for robust and reproducible human milk microbiome analysis.

Main Methods:

  • Review and analysis of studies employing diverse methodological approaches.
  • Identification of technical considerations in sample collection, storage, DNA extraction, sequencing, viability assessment, and contamination control.
  • Evaluation of strategies to mitigate methodological challenges.

Main Results:

  • Specific technical hurdles in human milk microbiome research were identified.
  • Various methods for sample processing and analysis were assessed.
  • Recommendations for optimizing data quality and reproducibility were formulated.

Conclusions:

  • Addressing methodological challenges is critical for accurate human milk microbiome profiling.
  • Standardized and robust methods will enhance research quality.
  • Improved methods will support better outcomes for maternal and infant health.