The role of peptidoglycan in pathogenesis

Bacterial pathogens rely on a variety of virulence factors to establish the colonization of a new niche. Although peptidoglycan and its muropeptide derivatives have been known to possess potent biological properties, until recently the molecular bases were poorly understood. With the identification...

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Bibliographic Details
Published in:Current opinion in microbiology 2005-02, Vol.8 (1), p.46-53
Main Author: Boneca, Ivo G
Format: Article
Language:English
Subjects:
Adaptor Proteins, Signal Transducing - metabolism
Animals
Bacteria - pathogenicity
Bacterial Infections - microbiology
Guinea Pigs
Helicobacter pylori
Helicobacter pylori - pathogenicity
Humans
Listeria monocytogenes
Listeria monocytogenes - pathogenicity
Mice
Peptidoglycan - chemistry
Peptidoglycan - metabolism
Rats
Streptococcus pneumoniae
Virulence
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Summary:Bacterial pathogens rely on a variety of virulence factors to establish the colonization of a new niche. Although peptidoglycan and its muropeptide derivatives have been known to possess potent biological properties, until recently the molecular bases were poorly understood. With the identification of the cytosolic surveillance mechanism mediated by the nucleotide-binding oligomerization domain (Nod)1 and Nod2 proteins, which detect unique peptidoglycan-derived muropeptides, these muropeptides should be considered as potential virulence factors. Recent research highlights the role of peptidoglycan in the pathogenesis of different human pathogens such as Streptococcus pneumoniae, Listeria monocytogenes or Helicobacter pylori.
ISSN:1369-5274
1879-0364
DOI:10.1016/j.mib.2004.12.008