The metabolic, virulence and antimicrobial resistance profiles of colonising Streptococcus pneumoniae shift after PCV13 introduction in urban Malawi

U Obolski, TD Swarthout, A Kalizang'oma… - Nature …, 2023 - nature.com
Streptococcus pneumoniae causes substantial mortality among children under 5-years-old
worldwide. Polysaccharide conjugate vaccines (PCVs) are highly effective at reducing …

Puzzling over the pneumococcal pangenome

NL Hiller, R Sá-Leão - Frontiers in microbiology, 2018 - frontiersin.org
The Gram positive bacterium Streptococcus pneumoniae (pneumococcus) is a major human
pathogen. It is a common colonizer of the human host, and in the nasopharynx, sinus, and …

Antimicrobial resistance in Streptococcus pneumoniae: a retrospective analysis of emerging trends in the United Arab Emirates from 2010 to 2021

A Senok, J Thomsen, NM Abdulrazzaq… - Frontiers in Public …, 2023 - frontiersin.org
Introduction Although pneumococcal conjugate vaccines (PCV) have been effective in
reducing the burden of Streptococcus pneumoniae infections, there is a paucity of data on …

Increased pathogenicity of pneumococcal serotype 1 is driven by rapid autolysis and release of pneumolysin

LC Jacques, S Panagiotou, M Baltazar… - Nature …, 2020 - nature.com
Streptococcus pneumoniae serotype 1 is the predominant cause of invasive pneumococcal
disease in sub-Saharan Africa, but the mechanism behind its increased invasiveness is not …

The role of interspecies recombination in the evolution of antibiotic-resistant pneumococci

JC D'Aeth, MPG van der Linden, L McGee… - Elife, 2021 - elifesciences.org
Multidrug-resistant Streptococcus pneumoniae emerge through the modification of core
genome loci by interspecies homologous recombinations, and acquisition of gene cassettes …

Streptococcus pneumoniae serotypes that frequently colonise the human nasopharynx are common recipients of penicillin-binding protein gene fragments from …

A Kalizang'oma, C Chaguza, A Gori… - Microbial …, 2021 - microbiologyresearch.org
Streptococcus pneumoniae is an important global pathogen that causes bacterial
pneumonia, sepsis and meningitis. Beta-lactam antibiotics are the first-line treatment for …

Continued occurrence of serotype 1 pneumococcal meningitis in two regions located in the meningitis belt in Ghana five years after introduction of 13-valent …

CH Bozio, A Abdul-Karim, J Abenyeri, B Abubakari… - PloS one, 2018 - journals.plos.org
Background Increases in pneumococcal meningitis were reported from Ghanaian regions
that lie in the meningitis belt in 2016–2017, despite introduction of 13-valent pneumococcal …

Antimicrobial susceptibility, serotype distribution, virulence profile and molecular typing of piliated clinical isolates of pneumococci from east coast, Peninsular …

ND Dzaraly, MN Mohd Desa, AR Muthanna… - Scientific Reports, 2021 - nature.com
Pilus has been recently associated with pneumococcal pathogenesis in humans. The
information regarding piliated isolates in Malaysia is scarce, especially in the less …

[HTML][HTML] Pilus islets and the clonal spread of piliated Streptococcus pneumoniae: A review

ND Dzaraly, AR Muthanna, MNM Desa, NM Taib… - International Journal of …, 2020 - Elsevier
Pneumococci are a common cause of severe infections, such as otitis media, pneumonia,
meningitis and bacteremia. Pili are detected in a small proportion of pneumococcal …

Whole-genome sequencing analysis of multidrug-resistant serotype 15A Streptococcus pneumoniae in Japan and the emergence of a highly resistant serotype 15A …

S Nakano, T Fujisawa, Y Ito, B Chang… - Antimicrobial Agents …, 2019 - Am Soc Microbiol
Since the introduction of pneumococcal conjugate vaccines (PCVs), an increase in the
incidence of disease attributable to serotype 15A-ST63 (sequence type 63) pneumococci …