Pneumococcal capsules and their types: past, present, and future

KA Geno, GL Gilbert, JY Song… - Clinical microbiology …, 2015 - Am Soc Microbiol
Streptococcus pneumoniae (the pneumococcus) is an important human pathogen. Its
virulence is largely due to its polysaccharide capsule, which shields it from the host immune …

Enzymatic modifications of exopolysaccharides enhance bacterial persistence

GB Whitfield, LS Marmont, PL Howell - Frontiers in microbiology, 2015 - frontiersin.org
Biofilms are surface-attached communities of bacterial cells embedded in a self-produced
matrix that are found ubiquitously in nature. The biofilm matrix is composed of various …

Biochemical, genetic, and serological characterization of two capsule subtypes among Streptococcus pneumoniae serotype 20 strains: discovery of a new …

JJ Calix, RJ Porambo, AM Brady, TR Larson… - Journal of Biological …, 2012 - ASBMB
The bacterial pathogen Streptococcus pneumoniae expresses one of over 90 structurally
distinct polysaccharide (PS) capsule serotypes. Prior PS structural analyses of the vaccine …

Bacterial capsules: Occurrence, mechanism, and function

S Gao, W Jin, Y Quan, Y Li, Y Shen, S Yuan… - npj Biofilms and …, 2024 - nature.com
In environments characterized by extended multi-stress conditions, pathogens develop a
variety of immune escape mechanisms to enhance their ability to infect the host. The …

Discovery of novel pneumococcal serotype 35D, a natural WciG-deficient variant of serotype 35B

KA Geno, JS Saad, MH Nahm - Journal of clinical microbiology, 2017 - Am Soc Microbiol
Pneumococcus (Streptococcus pneumoniae) remains a significant cause of morbidity and
mortality, especially among those at the extremes of age. Its capsular polysaccharide is …

Antioxidant Activities of an Exopolysaccharide (DeinoPol) Produced by the Extreme Radiation-Resistant Bacterium Deinococcus radiodurans

SM Lin, CY Baek, JH Jung, WS Kim, HY Song… - Scientific reports, 2020 - nature.com
Deinococcus radiodurans shows extreme resistance to a range of remarkable
environmental stresses. Deinococcal exopolysaccharide (DeinoPol) is a component of the …

Pneumococcal Capsule Synthesis Locus cps as Evolutionary Hotspot with Potential to Generate Novel Serotypes by Recombination

RJ Mostowy, NJ Croucher, N De Maio… - Molecular biology …, 2017 - academic.oup.com
Diversity of the polysaccharide capsule in Streptococcus pneumoniae—main surface
antigen and the target of the currently used pneumococcal vaccines—constitutes a major …

Role of O-acetylation in the immunogenicity of bacterial polysaccharide vaccines

F Berti, R De Ricco, R Rappuoli - Molecules, 2018 - mdpi.com
The incidence of infectious diseases caused by several bacterial pathogens such as
Haemophilus influenzae type b, Streptococcus pneumoniae, and Neisseria meningitidis …

Discovery of Streptococcus pneumoniae serotype 6 variants with glycosyltransferases synthesizing two differing repeating units

MB Oliver, MPG van der Linden, SA Küntzel… - Journal of Biological …, 2013 - ASBMB
Streptococcus pneumoniae is a persistent, opportunistic commensal of the human
nasopharynx and is the leading cause of community-acquired pneumonia. It expresses an …

Bacterial surface capsular polysaccharides from Streptococcus pneumoniae: A systematic review on structures, syntheses, and glycoconjugate vaccines

PK Mandal - Carbohydrate Research, 2021 - Elsevier
The polysaccharide capsule of Streptococcus pneumoniae constitutes the outermost surface
structure of the organism and plays a critical role in virulence. The capsule is the target of …