Results 61 to 70 of about 85,026 (299)

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

open access: yesScientific Reports
Streptococcus pyogenes remains one of the top ten causes of mortality from infectious diseases. Children in low-income nations have high carrier rates of Streptococcus pyogenes, which can serve as a source of infections, including simple superficial ...
Yalewayker Gashaw   +4 more
doaj   +1 more source

Emergent Invasive Group A Streptococcus dysgalactiae subsp. equisimilis, United States, 2015–2018

open access: yesEmerging Infectious Diseases, 2019
The term group A Streptococcus is considered synonymous for the species Streptococcus pyogenes. We describe an emergent invasive S. dysgalactiae subspecies equisimilis lineage that obtained the group A antigen through a single ancestral recombination ...
Sopio Chochua   +9 more
doaj   +1 more source

Fulminant streptococcus pyogenes infection. [PDF]

open access: yesBMJ, 1980
Life-threatening infection due to Streptococcus pyogenes (? haemolytic streptococcus, Lancefield's group A) has become uncommon since the introduction of penicillin.1 2 3 Excluding the four cases reported here, the department of bacteriology at this hospital has seen only six cases of Str pyogenes bacteraemia in the past 10 years, and nationally the ...
L Henry   +3 more
openaire   +3 more sources

Protective vaccination in the horse against _Streptococcus equi_ with recombinant antigens [PDF]

open access: yes, 2009
_Streptococcus equi_ subspecies _equi_ (_S. equi_) is a clonal, equine host-adapted pathogen of global importance that causes a highly contagious suppurative lymphodendopathy of the head and neck, more commonly known as Strangles.
Andrew Waller   +6 more
core   +1 more source

Erythromycin-resistant Streptococcus pyogenes

open access: yesSrpski arhiv za celokupno lekarstvo, 2004
Streptococcus pyogenes is the most prevalent cause of tonsillopharyngitis in children. The drug of choice for infections caused by this microorganism is penicillin. The problem of treating such infections arises when erythromycin-resistant strains occur.
Biljana Potkonjak   +3 more
openaire   +3 more sources

Restoration of human tooth enamel

open access: yesBMEMat, EarlyView.
Human tooth enamel has remarkable properties but lacks self‐repair ability. Existing restorative materials cannot fully replicate enamel's microstructure and function, resulting in low restorative efficiency. This review summarizes the formation process and characteristics of enamel, and current restorative materials and future research directions are ...
Hanlin Liu   +10 more
wiley   +1 more source

Evaluation of the effect of tyrothricin on beta-hemolytic streptococci in salva. Part I: The effect of salvia upon bacteria. Part II: Effect of tyrothricin on the New York 5 strain of Streptococcus pyogenes in saliva [PDF]

open access: yes, 1949
Part II of thesis by Brancato, Noyes, and Swift. Part I of thesis by Swift. Thesis (M.A.)--Boston UniversityThe antibacterial effect of saliva has been known for many years.
Brancato, Frank P.   +2 more
core   +1 more source

Conjugative transfer of ICESde3396 between three β-hemolytic streptococcal species [PDF]

open access: yes, 2014
Background: Integrative conjugative elements (ICEs) are mobile genetic elements (MGEs) that possess all genes necessary for excision, transfer and integration into recipient genome. They also carry accessory genes that impart new phenotypic features to
Bauer, Michelle J.   +6 more
core   +1 more source

A Streptococcus Quorum Sensing System Enables Suppression of Innate Immunity

open access: yesmBio, 2021
Streptococcus ...
Kate M. Rahbari   +2 more
doaj   +1 more source

Pneumococcus and the stress-gradient hypothesis: a trade-off links $R_0$ and susceptibility to co-colonization across countries [PDF]

open access: yesarXiv, 2022
Modern molecular technologies have revolutionized our understanding of bacterial epidemiology, but reported data across different settings remain under-integrated in common theoretical frameworks. Pneumococcus serotype co-colonization, caused by the polymorphic bacteria Streptococcus pneumoniae, has been increasingly investigated in recent years. While
arxiv  

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