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Related Experiment Videos

Novel micelle PCR-based method for accurate, sensitive and quantitative microbiota profiling.

Stefan A Boers1, John P Hays1, Ruud Jansen2

  • 1Department of Medical Microbiology and Infectious Diseases, Erasmus University Medical Centre Rotterdam (Erasmus MC), Rotterdam, The Netherlands.

Scientific Reports
|April 6, 2017
PubMed
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Standardizing microbiota studies is crucial for comparing microbial communities. A novel micelle PCR (micPCR) method with an internal calibrator enables accurate, standardized 16S rRNA gene sequencing for reliable multi-study comparisons.

Area of Science:

  • Microbiology
  • Genomics
  • Bioinformatics

Background:

  • 16S rRNA gene sequencing is widely used to study microbial communities.
  • Lack of standardized protocols hinders comparison across microbiota studies.
  • Accurate quantification and comparison of microbial profiles are essential.

Purpose of the Study:

  • To develop a standardized 16S rRNA gene sequencing protocol for microbiota analysis.
  • To enable accurate quantification of microbial communities using absolute abundances.
  • To facilitate reliable comparisons between different microbiota studies.

Main Methods:

  • Employed micelle PCR (micPCR) combined with an internal calibrator.
  • Utilized next-generation sequencing (NGS) for data acquisition.

Related Experiment Videos

  • Incorporated negative extraction controls for contaminant subtraction.
  • Calibrated results to express operational taxonomic units (OTUs) as 16S rRNA gene copies.

    • Main Results:

    • The calibrated micPCR/NGS methodology achieved higher precision than traditional PCR/NGS.
    • Demonstrated a lower limit of detection for microbial quantification.
    • Enabled accurate subtraction of contaminating bacterial DNA.
    • Generated more precise microbiota profiles suitable for multi-study comparison.

    Conclusions:

    • The novel calibrated micPCR/NGS approach provides a standardized method for microbiota profiling.
    • This technique enhances the accuracy and comparability of 16S rRNA gene sequencing studies.
    • Facilitates robust multi-study comparisons of microbial communities across diverse ecosystems.