Results 61 to 70 of about 163,088 (241)

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

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

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

Serious Streptococcus pyogenes disease [PDF]

Clinical Microbiology and Infection, 1997
Readers are invited to use this article as a self-assessment exercise and to update their knowledge.
Barnham, Michael, Holm, Stig E.
openaire   +2 more sources

Beyond antimicrobials: Ecological nano‐strategies for rebalancing dysbiotic oral microbial homeostasis

BMEMat, EarlyView.
Oral microbial homeostasis, a dynamic host‐microbe balance, is vital in infectious diseases. Conventional antibiotics often disrupt this homeostasis, spurring interest in nanomaterials for oral microbial homeostasis rebalancing. This review outlines nanomaterial strategies across three ecological levels (population/community, ecosystem, and cross ...
Chen Hu, Aohan Luan, Yujun Yang, Linlin Wang, Huilin Wang, Ning Wang, Guixin He, Yajie Yang, Rabiya Noor, Jawad Hussain, Longquan Shao   +10 more
wiley   +1 more source

Characterization of novel beta-galactosidase activity that contributes to glycoprotein degradation and virulence in Streptococcus pneumoniae.

, 2010
The pneumococcus obtains its energy from the metabolism of host glycosides. Therefore, efficient degradation of host glycoproteins is integral to pneumococcal virulence.
Andrew, Peter W, Homer, Karen A, Yesilkaya, Hasan, Terra, Vanessa S, Rao, Susmitha G   +4 more
core   +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

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

Cross‐protective effect of a multicomponent fusion protein vaccine during a natural episode of Streptococcus zooepidemicus respiratory disease in ponies

Equine Veterinary Journal, EarlyView.
Abstract Background Streptococcus equi subspecies zooepidemicus is a highly diverse opportunistic pathogen of horses, associated with respiratory disease and endometritis. Objectives To characterise S. zooepidemicus isolates recovered from young ponies during a natural episode of respiratory disease, and to determine if vaccination with Strangvac®, a ...
Romain Paillot, J. Richard Newton, Sonia Gonzalez Medina, Sara Frosth, Lars Frykberg, Margareta Flock, Bengt Guss, Jan‐Ingmar Flock, Andrew S. Waller   +8 more
wiley   +1 more source

On Amylolytic strains of Streptococcus pyogenes [PDF]

Journal of General Microbiology, 1954
SUMMARY: Strains of Streptococcus pyogenes belonging to Types 2 and 4 elaborated an amylolytic enzyme which was not usually a product of other serological Types though it was occasionally produced by members of Types 1, 9, 22 and Types related to 4, 5 and 25. Sixty-six % of amylolytic strains were untypable by M precipitin tests.
openaire   +2 more sources