Abstract
Summary Streptococcus agalactiae is a commensal bacterium colonizing the intestinal tract of a significant proportion of the human population. However, it is also a pathogen which is the leading cause of invasive infections in neonates and causes septicaemia, meningitis and pneumonia. We sequenced the genome of the serogroup III strain NEM316, responsible for a fatal case of septicaemia. The genome is 2 211 485 base pairs long and contains 2118 protein coding genes. Fifty‐five per cent of the predicted genes have an ortholog in the Streptococcus pyogenes genome, representing a conserved backbone between these two streptococci. Among the genes in S. agalactiae that lack an ortholog in S. pyogenes , 50% are clustered within 14 islands. These islands contain known and putative virulence genes, mostly encoding surface proteins as well as a number of genes related to mobile elements. Some of these islands could therefore be considered as pathogenicity islands. Compared with other pathogenic streptococci, S. agalactiae shows the unique feature that pathogenicity islands may have an important role in virulence acquisition and in genetic diversity.
Bibliography
Glaser, P., Rusniok, C., Buchrieser, C., Chevalier, F., Frangeul, L., Msadek, T., Zouine, M., Couvé, E., Lalioui, L., Poyart, C., TrieuâCuot, P., & Kunst, F. (2002). Genome sequence of Streptococcus agalactiae, a pathogen causing invasive neonatal disease. Molecular Microbiology, 45(6), 1499â1513. Portico.
Authors
12
- Philippe Glaser (first)
- Christophe Rusniok (additional)
- Carmen Buchrieser (additional)
- Fabien Chevalier (additional)
- Lionel Frangeul (additional)
- Tarek Msadek (additional)
- Mohamed Zouine (additional)
- Elisabeth Couvé (additional)
- Lila Lalioui (additional)
- Claire Poyart (additional)
- Patrick Trieu‐Cuot (additional)
- Frank Kunst (additional)
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Dates
Type | When |
---|---|
Created | 22 years, 5 months ago (March 12, 2003, 6:45 a.m.) |
Deposited | 1 year, 10 months ago (Oct. 17, 2023, 6:43 p.m.) |
Indexed | 2 months ago (July 5, 2025, 8:33 p.m.) |
Issued | 23 years ago (Sept. 1, 2002) |
Published | 23 years ago (Sept. 1, 2002) |
Published Online | 22 years, 11 months ago (Sept. 27, 2002) |
Published Print | 23 years ago (Sept. 1, 2002) |
@article{Glaser_2002, title={Genome sequence of Streptococcus agalactiae, a pathogen causing invasive neonatal disease}, volume={45}, ISSN={1365-2958}, url={http://dx.doi.org/10.1046/j.1365-2958.2002.03126.x}, DOI={10.1046/j.1365-2958.2002.03126.x}, number={6}, journal={Molecular Microbiology}, publisher={Wiley}, author={Glaser, Philippe and Rusniok, Christophe and Buchrieser, Carmen and Chevalier, Fabien and Frangeul, Lionel and Msadek, Tarek and Zouine, Mohamed and Couvé, Elisabeth and Lalioui, Lila and Poyart, Claire and Trieu‐Cuot, Patrick and Kunst, Frank}, year={2002}, month=sep, pages={1499–1513} }