» Articles » PMID: 34205500

("Group A Streptococcus"), a Highly Adapted Human Pathogen-Potential Implications of Its Virulence Regulation for Epidemiology and Disease Management

Overview
Journal Pathogens
Date 2021 Jul 2
PMID 34205500
Citations 5
Authors
Affiliations
Soon will be listed here.
Abstract

(group A streptococci; GAS) is an exclusively human pathogen. It causes a variety of suppurative and non-suppurative diseases in people of all ages worldwide. Not all can be successfully treated with antibiotics. A licensed vaccine, in spite of its global importance, is not yet available. GAS express an arsenal of virulence factors responsible for pathological immune reactions. The transcription of all these virulence factors is under the control of three types of virulence-related regulators: (i) two-component systems (TCS), (ii) stand-alone regulators, and (iii) non-coding RNAs. This review summarizes major TCS and stand-alone transcriptional regulatory systems, which are directly associated with virulence control. It is suggested that this treasure of knowledge on the genetics of virulence regulation should be better harnessed for new therapies and prevention methods for GAS infections, thereby changing its global epidemiology for the better.

Citing Articles

The burden of group A (GAS) infections: The challenge continues in the twenty-first century.

Thacharodi A, Hassan S, Vithlani A, Ahmed T, Kavish S, Geli Blacknell N iScience. 2025; 28(1):111677.

PMID: 39877071 PMC: 11773489. DOI: 10.1016/j.isci.2024.111677.


Streptococcus pyogenes carriage rate, associated factors and antimicrobial susceptibility profiles among urban and rural schoolchildren at Gondar city, Northwest Ethiopia.

Gashaw Y, Getaneh A, Kasew D, Tigabie M, Gelaw B Sci Rep. 2025; 15(1):2057.

PMID: 39814816 PMC: 11735781. DOI: 10.1038/s41598-024-82009-2.


Nosocomial Transmission of Necrotizing Fasciitis: A Molecular Characterization of Group A Streptococcal DNases in Clinical Virulence.

Deneubourg G, Schiavolin L, Lakhloufi D, Botquin G, Delforge V, Davies M Microorganisms. 2024; 12(11).

PMID: 39597598 PMC: 11596691. DOI: 10.3390/microorganisms12112209.


Incipient empyema as an embolic complication of group A streptococcal septic arthritis in a patient with concomitant influenza B infection.

Callum J, Hinde D, Chew R Respirol Case Rep. 2022; 10(12):e01067.

PMID: 36447458 PMC: 9692190. DOI: 10.1002/rcr2.1067.


Group B Streptococcal Hemolytic Pigment Impairs Platelet Function in a Two-Step Process.

Jahn K, Shumba P, Quach P, Musken M, Wesche J, Greinacher A Cells. 2022; 11(10).

PMID: 35626674 PMC: 9139542. DOI: 10.3390/cells11101637.


References
1.
Carr A, Sledjeski D, Podbielski A, Boyle M, Kreikemeyer B . Similarities between complement-mediated and streptolysin S-mediated hemolysis. J Biol Chem. 2001; 276(45):41790-6. DOI: 10.1074/jbc.M107401200. View

2.
Kuo C, Lin Y, Chuang W, Wu J, Tsao N . Degradation of complement 3 by streptococcal pyrogenic exotoxin B inhibits complement activation and neutrophil opsonophagocytosis. Infect Immun. 2008; 76(3):1163-9. PMC: 2258837. DOI: 10.1128/IAI.01116-07. View

3.
Keyel P, Roth R, Yokoyama W, Heuser J, Salter R . Reduction of streptolysin O (SLO) pore-forming activity enhances inflammasome activation. Toxins (Basel). 2013; 5(6):1105-18. PMC: 3717772. DOI: 10.3390/toxins5061105. View

4.
Heath A, DiRita V, Barg N, Engleberg N . A two-component regulatory system, CsrR-CsrS, represses expression of three Streptococcus pyogenes virulence factors, hyaluronic acid capsule, streptolysin S, and pyrogenic exotoxin B. Infect Immun. 1999; 67(10):5298-305. PMC: 96884. DOI: 10.1128/IAI.67.10.5298-5305.1999. View

5.
Okada N, Liszewski M, Atkinson J, Caparon M . Membrane cofactor protein (CD46) is a keratinocyte receptor for the M protein of the group A streptococcus. Proc Natl Acad Sci U S A. 1995; 92(7):2489-93. PMC: 42243. DOI: 10.1073/pnas.92.7.2489. View