The complement system as a key modulator of the oral microbiome in health and disease

RO Mattos-Graner, MI Klein… - Critical Reviews in …, 2024 - Taylor & Francis
In this review, we address the interplay between the complement system and host
microbiomes in health and disease, focussing on oral bacteria known to contribute to …

[HTML][HTML] Eluding the immune system's frontline defense: Secreted complement evasion factors of pathogenic Gram-positive cocci

JMS Loh, H Aghababa, T Proft - Microbiological Research, 2023 - Elsevier
The human complement system is an important part of the innate immune response in the
fight against invasive bacteria. Complement responses can be activated independently by …

Mucin O-glycans suppress quorum-sensing pathways and genetic transformation in Streptococcus mutans

CA Werlang, WG Chen, K Aoki, KM Wheeler… - Nature …, 2021 - nature.com
Mucus barriers accommodate trillions of microorganisms throughout the human body while
preventing pathogenic colonization. In the oral cavity, saliva containing the mucins MUC5B …

The oral bacterium Streptococcus mutans promotes tumor metastasis by inducing vascular inflammation

L Yu, N Maishi, E Akahori, A Hasebe, R Takeda… - Cancer …, 2022 - Wiley Online Library
Recent studies have demonstrated a relationship between oral bacteria and systemic
inflammation. Endothelial cells (ECs), which line blood vessels, control the opening and …

PepO and CppA modulate Streptococcus sanguinis susceptibility to complement immunity and virulence

LA Alves, H Naveed, EM Franco, MT Garcia, VA Freitas… - Virulence, 2023 - Taylor & Francis
Streptococcus sanguinis is a ubiquitous commensal species of the oral cavity commonly
involved as an opportunistic pathogen in cardiovascular infections. In this study, we …

Amyloid Fibrils Produced by Streptococcus sanguinis Contribute to Biofilm Formation and Immune Evasion

EM Franco, LA Alves, H Naveed, VAA Freitas… - International Journal of …, 2023 - mdpi.com
Bacterial surface proteins assembled into amyloids contribute to biofilm formation and host
immune evasion. Streptococcus sanguinis, a pioneer colonizer of teeth commonly involved …

Orphan response regulator CovR plays positive regulative functions in the survivability and pathogenicity of Streptococcus suis serotype 2 isolated from a pig

Y Zhang, R Li, Q Li, Y Zhu, X Yang, D Zhao… - BMC Veterinary …, 2023 - Springer
Background Streptococcus suis serotype 2 (S. suis 2) is an important zoonotic pathogen.
Orphan response regulator CovR plays crucial regulative functions in the survivability and …

Diversity in Phenotypes Associated With Host Persistence and Systemic Virulence in Streptococcus sanguinis Strains

LA Alves, GC Salvatierra, VA Freitas… - Frontiers in …, 2022 - frontiersin.org
Streptococcus sanguinis is a pioneer commensal species of dental biofilms, abundant in
different oral sites and commonly associated with opportunist cardiovascular infections. In …

In Vitro and In Vivo Anti-infective Potential of Thymol Against Early Childhood Caries Causing Dual Species Candida albicans and Streptococcus mutans

A Priya, A Selvaraj, D Divya, R Karthik Raja… - Frontiers in …, 2021 - frontiersin.org
Early childhood caries (ECC), a severe form of caries due to cross-kingdom interaction of
Candida albicans and Streptococcus mutans, is a serious childhood dental disease that …

Binding of Plasminogen to Streptococcus suis Protein Endopeptidase O Facilitates Evasion of Innate Immunity in Streptococcus suis

Y Zhou, K Yan, C Sun, F Liu, W Peng, H Chen… - Frontiers in …, 2021 - frontiersin.org
The Gram-positive bacterial species Streptococcus suis is an important porcine and human
pathogen that causes severe life-threatening diseases associated with high mortality rates …