Results 11 to 20 of about 116,012,081 (309)

Emergence of a new highly successful acapsular Group A Streptococcus clade of the genotype emm89 in the United Kingdom [PDF]

open access: yes, 2015
This work was supported by the National Institute for Health Research Biomedical Research Centre awarded to Imperial College Healthcare Trust, and the UK Clinical Research Collaboration (National Centre for Infection Prevention & Management).Group A ...
Abbott, James   +35 more
core   +1 more source

Quorum sensing in group A Streptococcus [PDF]

open access: yesFrontiers in Cellular and Infection Microbiology, 2014
Quorum sensing (QS) is a widespread phenomenon in the microbial world that has important implications in the coordination of population-wide responses in several bacterial pathogens. In Group A Streptococcus (GAS), many questions surrounding QS systems remain to be solved pertaining to their function and their contribution to the GAS lifestyle in the ...
Jimenez, Juan Cristobal   +1 more
openaire   +3 more sources

Genomic evidence for the evolution of Streptococcus equi : host restriction, increased virulence, and genetic exchange with human pathogens [PDF]

open access: yes, 2009
The continued evolution of bacterial pathogens has major implications for both human and animal disease, but the exchange of genetic material between host-restricted pathogens is rarely considered. Streptococcus equi subspecies equi (S.
Parkhill Julian   +118 more
core   +1 more source

Correlates of Protection for M Protein-Based Vaccines against Group A Streptococcus

open access: yesJournal of Immunology Research, 2015
Group A streptococcus (GAS) is known to cause a broad spectrum of illness, from pharyngitis and impetigo, to autoimmune sequelae such as rheumatic heart disease, and invasive diseases.
Shu Ki Tsoi   +4 more
doaj   +1 more source

Evidence for niche adaptation in the genome of the bovine pathogen Streptococcus uberis [PDF]

open access: yes, 2009
Background Streptococcus uberis, a Gram positive bacterial pathogen responsible for a significant proportion of bovine mastitis in commercial dairy herds, colonises multiple body sites of the cow including the gut, genital tract and mammary gland ...
Andy Barron   +56 more
core   +5 more sources

A Mouse Nasopharyngeal Colonization Model for Group A Streptococcus

open access: yes, 2020
Group A Streptococcus (GAS) often exists as an asymptomatic colonizer of the upper respiratory tract in humans. Unsurprisingly, a high proportion of symptomatic infections caused by GAS include pharyngitis.
Jacelyn M. S. Loh   +5 more
core   +1 more source

GMMA as an Alternative Carrier for a Glycoconjugate Vaccine against Group A Streptococcus

open access: yesVaccines, 2022
Group A Streptococcus (GAS) causes about 500,000 annual deaths globally, and no vaccines are currently available. The Group A Carbohydrate (GAC), conserved across all GAS serotypes, conjugated to an appropriate carrier protein, represents a promising ...
Elena Palmieri   +14 more
doaj   +1 more source

Superantigenic Activity of emm3 Streptococcus pyogenes Is Abrogated by a Conserved, Naturally Occurring smeZ Mutation [PDF]

open access: yes, 2012
Streptococcus pyogenes M/emm3 strains have been epidemiologically linked with enhanced infection severity and risk of streptococcal toxic shock syndrome (STSS), a syndrome triggered by superantigenic stimulation of T cells. Comparison of S.
McGregor, Karen   +65 more
core   +1 more source

Genetic islands of Streptococcus agalactiae strains NEM316 and 2603VR and their presence in other Group B Streptococcal strains [PDF]

open access: yes, 2005
BACKGROUND: Streptococcus agalactiae (Group B Streptococcus; GBS) is a major contributor to obstetric and neonatal bacterial sepsis. Serotype III strains cause the majority of late-onset sepsis and meningitis in babies, and thus appear to have an ...
Jones, N   +27 more
core   +1 more source

Streptococcus pyogenes and re-emergence of scarlet fever as a public health problem

open access: yesEmerging Microbes and Infections, 2012
Explosive outbreaks of infectious diseases occasionally occur without immediately obvious epidemiological or microbiological explanations. Plague, cholera and Streptococcus pyogenes infection are some of the epidemic-prone bacterial infections.
Samson SY Wong, Kwok-Yung Yuen
doaj   +1 more source

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