Jan 27, 2006

Versatility of pneumococcal surface proteins

Microbiology
Simone Bergmann, Sven Hammerschmidt

Abstract

Surface-exposed proteins are key players during the infectious process of pathogenic bacteria. The cell surface of the Gram-positive human pathogen Streptococcus pneumoniae is decorated not only by typical Gram-positive surface proteins, but also by a family of proteins that recognizes the phosphorylcholine of the lipoteichoic and teichoic acids, namely the choline-binding proteins, and by non-classical surface proteins that lack a leader peptide and membrane-anchor motif. A comprehensive understanding of how microbial proteins subvert host immunity or host protein functions is a prerequisite for the development of novel therapeutic strategies to combat pneumococcal infections. This article reviews recent progress in the investigation of the versatility and sophistication of the virulence functions of surface-exposed pneumococcal proteins.

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Mentioned in this Paper

Infectious Process
Choline
Pathogenicity
Pathogenic Organism
Tertiary Protein Structure
Outer Membrane Lipoproteins, Bacterial
Leader Signal Peptides
Pseudomurein
Cell Wall
Binding Protein

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