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 …

Cooperation of quorum sensing and central carbon metabolism in the pathogenesis of Gram-positive bacteria

S Gao, Y Wang, S Yuan, J Zuo, W Jin, Y Shen… - Microbiological …, 2024 - Elsevier
Quorum sensing (QS), an integral component of bacterial communication, is essential in
coordinating the collective response of diverse bacterial pathogens. Central carbon …

Gene Expression Regulation in Airway Pathogens: Importance for Otitis Media

M Janoušková, ML Straw, YC Su… - Frontiers in cellular and …, 2022 - frontiersin.org
Otitis media (OM) is an inflammatory disorder in the middle ear. It is mainly caused by
viruses or bacteria associated with the airways. Streptococcus pneumoniae, Haemophilus …

Effects of AI-2 quorum sensing related luxS gene on Streptococcus suis formatting monosaccharide metabolism-dependent biofilm

S Gao, S Yuan, Y Quan, W Jin, Y Shen, B Liu… - Archives of …, 2024 - Springer
Biofilm is the primary cause of persistent infections caused by Streptococcus suis (S. suis).
Metabolism and AI-2 quorum sensing are intricately linked to S. suis biofilm formation …

Human gut metagenomes encode diverse GH156 sialidases

E Mann, S Shekarriz, MG Surette - Applied and Environmental …, 2022 - Am Soc Microbiol
The intestinal lining is protected by a mucous barrier composed predominantly of complex
carbohydrates. Gut microbes employ diverse glycoside hydrolases (GHs) to liberate …

The MerR‐family regulator NmlR is involved in the defense against oxidative stress in Streptococcus pneumoniae

VN Fritsch, N Linzner, T Busche, N Said… - Molecular …, 2023 - Wiley Online Library
Streptococcus pneumoniae has to cope with the strong oxidant hypochlorous acid (HOCl),
during host–pathogen interactions. Thus, we analyzed the global gene expression profile of …

Time-resolved RNA-seq analysis to unravel the in vivo competence induction by Streptococcus pneumoniae during pneumonia-derived sepsis

MW Oh, J Lin, SY Chong, SQ Lew, T Alam… - Microbiology …, 2024 - Am Soc Microbiol
Competence development in Streptococcus pneumoniae (pneumococcus) is tightly
intertwined with virulence. In addition to genes encoding genetic transformation machinery …

[HTML][HTML] Glucose levels affect MgaSpn regulation on the virulence and adaptability of Streptococcus pneumoniae

W Suo, X Guo, X Zhang, S Xiao, S Wang, Y Yin… - Microbial …, 2023 - Elsevier
Streptococcus pneumoniae can regulate virulence gene expression by sensing
environmental changes, which is key to its pathogenicity. The global transcription regulator …

The microenvironment: how it impacts enterococcus faecalis wound pathogenesis

CAZ Tan - 2023 - dr.ntu.edu.sg
Enterococcus faecalis is commonly isolated from single-and mixed-species biofilm-
associated wound infections. As a defense strategy, the host innately restricts iron …