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Genome sequences of 36 Streptococcus pneumoniae strains optimized for the multiplexed opsonophagocytosis killing

Emma Graffice1, Chloe Meewes1, Feroze A Ganaie2

  • 11Department of Medicine, Division of Infectious Disease, University of Alabama at Birmingham, Birmingham, Alabama, USA.

Microbiology Resource Announcements
|August 20, 2024
PubMed

Insights

Researchers developed a new assay to test pneumococcal vaccines. This study reports the genomes of 36 Streptococcus pneumoniae strains used in this novel multiplexed opsonophagocytosis assay (MOPA) for vaccine efficacy testing.

Area of Science:

  • Microbiology
  • Immunology
  • Vaccinology

Background:

  • Pneumococcal vaccines are crucial for preventing invasive pneumococcal disease.
  • Evaluating vaccine efficacy requires robust methods to measure immune responses.
  • Opsonophagocytosis is a key mechanism of antibody-mediated protection against encapsulated bacteria like Streptococcus pneumoniae.

Purpose of the Study:

  • To develop a cost-effective, high-throughput multiplexed opsonophagocytosis assay (MOPA) for evaluating pneumococcal vaccine efficacy.
  • To report the draft genomes of 36 Streptococcus pneumoniae strains specifically selected for use in the reference pneumococcal MOPA.

Main Methods:

  • Development of a multiplexed opsonophagocytosis assay (MOPA).
  • Selection and preparation of 36 Streptococcus pneumoniae strains for MOPA.
  • Whole-genome sequencing and draft genome assembly of the selected strains.

Main Results:

  • Successful development of a multiplexed opsonophagocytosis assay (MOPA).
  • Generation of draft genomes for 36 Streptococcus pneumoniae strains.
  • These strains are suitable for use in the reference pneumococcal MOPA.

Conclusions:

  • The developed MOPA provides a valuable tool for high-throughput, cost-effective evaluation of pneumococcal vaccine efficacy.
  • The availability of these 36 Streptococcus pneumoniae genomes facilitates standardization and validation of the MOPA.
  • This work supports the advancement of pneumococcal vaccine development and assessment.
Keywords:
MOPAStreptococcus pneumoniaeWGS

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