Results 51 to 60 of about 55,479 (273)

Platelet aggregation by Streptococcus pyogenes [PDF]

Infection and Immunity, 1983
Heat-killed group A Streptococcus pyogenes induced platelet aggregation in platelet-rich plasma. Aggregation was dependent upon the ratio of platelets to bacteria, with maximal aggregation occurring at 0.8 platelets per bacterium (final concentration, 300,000 per microliter).
G E, Kurpiewski, L J, Forrester, B J, Campbell, J T, Barrett   +3 more
openaire   +2 more sources

Rewriting Tumor Immunity With Bacterial Membrane Vesicles: A Versatile and Potent Therapeutic Strategy

Advanced NanoBiomed Research, EarlyView.
Bacterial membrane vesicles (BMVs) emerge as promising platforms for cancer immunotherapy owing to their intrinsic adjuvant properties and tunable cargo delivery capabilities. Their ability to modulate the tumor microenvironment, enhance antitumor immune responses, and support personalized therapeutic strategies highlights their growing potential as ...
Md Sifat Rahi, Md Mijanur Rahman, Asma Talukder, Urooj Yousaf Virk, Jennifer C. Wilson, Nigel McMillan, Ming Q. Wei   +6 more
wiley   +1 more source

Pyruvate formate lyase is required for pneumococcal fermentative metabolism and virulence. [PDF]

, 2009
Knowledge of the in vivo physiology and metabolism of Streptococcus pneumoniae is limited, even though pneumococci rely on efficient acquisition and metabolism of the host nutrients for growth and survival.
Andrew, Peter W., Homer, Karen A, Spissu, Francesca, Homer, Karen A., Benisty, Rachel, Porat, Nurith, Neves, Ana R., Andrew, Peter W, Yesilkaya, Hasan, Neves, Ana R, Terra, Vanessa S., Carvalho, Sandra M, Terra, Vanessa S, Carvalho, Sandra M.   +13 more
core   +1 more source

Antibacterial Effect of Human Milk against Streptococcus pyogenes: an in vitro Study

Althea Medical Journal, 2019
Background: Streptococcus pyogenes infection is one of the common upper respiratory infections among children. Human milk has antibacterial properties that may play a role against infections.
Novi Vicahyani Utami, Nurul Nadiya Binti Abdul Razak, Dzulfikar D. Lukmanul Hakim   +2 more
doaj   +1 more source

Historical birth records from 1896 to 1944 from the Basel maternity hospital, Switzerland, reveal significant obstetric selection pressures

The Anatomical Record, EarlyView.
Abstract Maternal and neonatal morbidity and mortality have declined dramatically during the last century. Historical data are therefore important sources to study the evolutionary selection pressures related to childbirth and how they have fluctuated over time.
Mirella Woodert, Guillermo Bravo Morante, Viktoria A. Krenn, Cédric Cordey, Nicole Torres‐Tamayo, Kaspar Staub, Nicole M. Webb, Martin Haeusler   +7 more
wiley   +1 more source

Potentially virulence-related extracellular proteins of Streptococcus equi [PDF]

, 2006
Equine strangles, a disease of the upper respiratory tract caused by the bacterium Streptococcus equi subspecies equi, is one of the most commonly diagnosed and serious diseases in horses. However, the molecular basis of S. equi subsp.
Lannergård, Jonas
core  

Relatedness of Streptococcus suis isolates of various serotypes and clinical backgrounds as evaluated by macrorestriction analysis and expression of potential virulence traits [PDF]

, 2001
We evaluated the genetic diversity of Streptococcus suis isolates of different serotypes by macrorestriction analysis and elucidated possible relationships between the genetic background, expression of potential virulence traits, and source of isolation.
Smith, H.E., Henk J. Wisselink, Allgaier, A., Wisselink, H.J., Valentin-Weigand, P., Achim Allgaier, Peter Valentin-Weigand, Goethe, R., Hilde E. Smith, Ralph Goethe   +9 more
core   +1 more source

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

Emerging 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, Joy Rivers, Saundra Mathis, Zhongya Li, Srinivasan Velusamy, Lesley McGee, Chris Van Beneden, Yuan Li, Benjamin J. Metcalf, Bernard Beall   +9 more
doaj   +1 more source

Streptococcus salivarius 24SMBc Genome Analysis Reveals New Biosynthetic Gene Clusters Involved in Antimicrobial Effects on Streptococcus pneumoniae and Streptococcus pyogenes

Microorganisms, 2022
Streptococcus salivarius 24SMBc is an oral probiotic with antimicrobial activity against the otopathogens Streptococcus pyogenes and Streptococcus pneumoniae. Clinical studies have reinforced its role in reducing the recurrence of upper respiratory tract
Gaia Vertillo Aluisio, Ambra Spitale, Luca Bonifacio, Grete Francesca Privitera, Aldo Stivala, Stefania Stefani, Maria Santagati   +6 more
doaj   +1 more source

The Bacteriophages ofStreptococcus pyogenes

Microbiology Spectrum, 2019
ABSTRACTThe bacteriophages ofStreptococcus pyogenes(group A streptococcus) play a key role in population shaping, genetic transfer, and virulence of this bacterial pathogen. Lytic phages like A25 can alter population distributions through elimination of susceptible serotypes but also serve as key mediators for genetic transfer of virulence genes and ...
W Michael, McShan, Kimberly A, McCullor, Scott V, Nguyen   +2 more
openaire   +2 more sources