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Published on: November 23, 2012
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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
Summary
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.

