Characterization of the Porphyromonas gingivalis Type IX Secretion Trans-envelope PorKLMNP Core Complex

The transport of proteins at the cell surface of Bacteroidetes depends on a secretory apparatus known as type IX secretion system (T9SS). This machine is responsible for the cell surface exposition of various proteins, such as adhesins, required for gliding motility in , S-layer components in , and...

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Veröffentlicht in:The Journal of biological chemistry 2017-02, Vol.292 (8), p.3252-3261
Hauptverfasser: Vincent, Maxence S, Canestrari, Mickaël J, Leone, Philippe, Stathopulos, Julien, Ize, Bérengère, Zoued, Abdelrahim, Cambillau, Christian, Kellenberger, Christine, Roussel, Alain, Cascales, Eric
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container_end_page 3261
container_issue 8
container_start_page 3252
container_title The Journal of biological chemistry
container_volume 292
creator Vincent, Maxence S
Canestrari, Mickaël J
Leone, Philippe
Stathopulos, Julien
Ize, Bérengère
Zoued, Abdelrahim
Cambillau, Christian
Kellenberger, Christine
Roussel, Alain
Cascales, Eric
description The transport of proteins at the cell surface of Bacteroidetes depends on a secretory apparatus known as type IX secretion system (T9SS). This machine is responsible for the cell surface exposition of various proteins, such as adhesins, required for gliding motility in , S-layer components in , and tooth tissue-degrading enzymes in the oral pathogen Although a number of subunits of the T9SS have been identified, we lack details on the architecture of this secretion apparatus. Here we provide evidence that five of the genes encoding the core complex of the T9SS are co-transcribed and that the gene products are distributed in the cell envelope. Protein-protein interaction studies then revealed that these proteins oligomerize and interact through a dense network of contacts.
doi_str_mv 10.1074/jbc.m116.765081
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This machine is responsible for the cell surface exposition of various proteins, such as adhesins, required for gliding motility in , S-layer components in , and tooth tissue-degrading enzymes in the oral pathogen Although a number of subunits of the T9SS have been identified, we lack details on the architecture of this secretion apparatus. Here we provide evidence that five of the genes encoding the core complex of the T9SS are co-transcribed and that the gene products are distributed in the cell envelope. 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subjects Bacterial Proteins - analysis
Bacterial Proteins - genetics
Bacterial Proteins - metabolism
Bacterial Secretion Systems - analysis
Bacterial Secretion Systems - genetics
Bacterial Secretion Systems - metabolism
Bacteriology
Bacteroidaceae Infections - microbiology
Biochemistry
Biochemistry, Molecular Biology
Biophysics
Crystallography, X-Ray
Genes, Bacterial
Humans
Life Sciences
Microbiology
Microbiology and Parasitology
Molecular biology
Molecular Networks
Porphyromonas gingivalis - chemistry
Porphyromonas gingivalis - genetics
Porphyromonas gingivalis - metabolism
Protein Interaction Maps
Protein Subunits - analysis
Protein Subunits - genetics
Protein Subunits - metabolism
Structural Biology
title Characterization of the Porphyromonas gingivalis Type IX Secretion Trans-envelope PorKLMNP Core Complex
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