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Draft Genome Sequence of Streptococcus pyogenes Strain M3KCL

Conrrad Nicholls1, Andrew Kump1, Sarah Ford1,2

  • 1Department of Biology, Indiana State University, Terre Haute, Indiana, USA.

Genome Announcements
|July 1, 2017
PubMed

Insights

We sequenced the genome of the invasive Streptococcus pyogenes strain M3KCL. This M3 strain produces SpeB and was isolated from a human blood infection.

Area of Science:

  • Microbiology
  • Genomics
  • Infectious Diseases

Background:

  • Streptococcus pyogenes is a significant human pathogen.
  • Invasive infections caused by S. pyogenes can lead to severe morbidity and mortality.
  • Understanding the genetic basis of virulence factors is crucial for developing effective treatments.

Purpose of the Study:

  • To present the draft genome sequence of a specific S. pyogenes strain, M3KCL.
  • To characterize the genetic makeup of an M3 strain that produces the SpeB virulence factor.
  • To provide genomic data for an S. pyogenes isolate from an invasive human infection.

Main Methods:

  • Whole-genome sequencing of Streptococcus pyogenes strain M3KCL.
  • Bioinformatic assembly of the draft genome sequence.
  • Identification of key genetic features, including virulence factors.

Main Results:

  • The draft genome assembly of S. pyogenes M3KCL comprises 1,864,059 base pairs in 60 contigs.
  • This strain is classified as an M3 type, closely related to the MGAS315 strain.
  • The genome analysis confirmed the presence of the SpeB virulence factor.

Conclusions:

  • The genome sequence of S. pyogenes M3KCL provides valuable genetic information.
  • This data can aid in understanding the pathogenesis of invasive S. pyogenes infections.
  • Further research can utilize this genomic resource to investigate SpeB production and strain evolution.

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