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Updated: Jan 30, 2026

A Mouse Model for the Transition of Streptococcus pneumoniae from Colonizer to Pathogen upon Viral Co-Infection Recapitulates Age-Exacerbated Illness
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A Mouse Model for the Transition of Streptococcus pneumoniae from Colonizer to Pathogen upon Viral Co-Infection Recapitulates Age-Exacerbated Illness

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Draft Genome Sequence of Pediatric Otitis Media Isolate Streptococcus pneumoniae Strain EF3030, Which Forms In Vitro

Edgar J Scott1, Nicole R Luke-Marshall2, Anthony A Campagnari2

  • 1Department of Microbiology and Immunology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma, USA.

Microbiology Resource Announcements
|January 16, 2019
PubMed

Insights

We sequenced the genome of Streptococcus pneumoniae EF3030, a bacteria causing pediatric ear infections. This provides a foundation for understanding its ability to colonize and form biofilms on epithelial cells.

Area of Science:

  • Microbiology
  • Genomics

Background:

  • Streptococcus pneumoniae is a leading cause of pediatric otitis media.
  • Understanding the genetic basis of bacterial virulence factors is crucial for developing effective treatments.

Purpose of the Study:

  • To report the draft genome sequence of Streptococcus pneumoniae EF3030.
  • To provide a genomic resource for studying otitis media pathogenesis.

Main Methods:

  • Whole-genome sequencing of Streptococcus pneumoniae EF3030.
  • Bioinformatic analysis for genome assembly and annotation.

Main Results:

  • A draft genome assembly of 2,209,198 bp was generated.
  • The genome annotation identified 2,120 coding DNA sequences (CDSs), 4 rRNA operons, 58 tRNAs, 3 ncRNAs, and 199 pseudogenes.

Conclusions:

  • The genome sequence of Streptococcus pneumoniae EF3030 is now available.
  • This resource will aid research into the mechanisms of epithelial colonization and biofilm formation in otitis media.

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