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Tetratricopeptide repeat motifs in the world of bacterial pathogens: role in virulence mechanisms.


ABSTRACT: The tetratricopeptide repeat (TPR) structural motif is known to occur in a wide variety of proteins present in prokaryotic and eukaryotic organisms. The TPR motif represents an elegant module for the assembly of various multiprotein complexes, and thus, TPR-containing proteins often play roles in vital cell processes. As the TPR profile is well defined, the complete TPR protein repertoire of a bacterium with a known genomic sequence can be predicted. This provides a tremendous opportunity for investigators to identify new TPR-containing proteins and study them in detail. In the past decade, TPR-containing proteins of bacterial pathogens have been reported to be directly related to virulence-associated functions. In this minireview, we summarize the current knowledge of the TPR-containing proteins involved in virulence mechanisms of bacterial pathogens while highlighting the importance of TPR motifs for the proper functioning of class II chaperones of a type III secretion system in the pathogenesis of Yersinia, Pseudomonas, and Shigella.

SUBMITTER: Cerveny L 

PROVIDER: S-EPMC3584863 | biostudies-literature | 2013 Mar

REPOSITORIES: biostudies-literature

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Tetratricopeptide repeat motifs in the world of bacterial pathogens: role in virulence mechanisms.

Cerveny Lukas L   Straskova Adela A   Dankova Vera V   Hartlova Anetta A   Ceckova Martina M   Staud Frantisek F   Stulik Jiri J  

Infection and immunity 20121221 3


The tetratricopeptide repeat (TPR) structural motif is known to occur in a wide variety of proteins present in prokaryotic and eukaryotic organisms. The TPR motif represents an elegant module for the assembly of various multiprotein complexes, and thus, TPR-containing proteins often play roles in vital cell processes. As the TPR profile is well defined, the complete TPR protein repertoire of a bacterium with a known genomic sequence can be predicted. This provides a tremendous opportunity for in  ...[more]

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