Structural Insight into the Role of the ...
Document type :
Article dans une revue scientifique: Article original
DOI :
Title :
Structural Insight into the Role of the PAS Domain for Signal Transduction in Sensor Kinase BvgS
Author(s) :
Dupré, Elian [Auteur]
Centre d’Infection et d’Immunité de Lille - INSERM U 1019 - UMR 9017 - UMR 8204 [CIIL]
Clantin, Bernard [Auteur]
Facteurs de Risque et Déterminants Moléculaires des Maladies liées au Vieillissement - U 1167 [RID-AGE]
Yuan, Youhua [Auteur]
Centre d’Infection et d’Immunité de Lille - INSERM U 1019 - UMR 9017 - UMR 8204 [CIIL]
Lecher, Sophie [Auteur]
Centre d’Infection et d’Immunité de Lille - INSERM U 1019 - UMR 9017 - UMR 8204 [CIIL]
Lesne, Elodie [Auteur]
Centre d’Infection et d’Immunité de Lille - INSERM U 1019 - UMR 9017 - UMR 8204 [CIIL]
Antoine, Rudy [Auteur]
Centre d’Infection et d’Immunité de Lille - INSERM U 1019 - UMR 9017 - UMR 8204 [CIIL]
Villeret, Vincent [Auteur]
Facteurs de Risque et Déterminants Moléculaires des Maladies liées au Vieillissement - U 1167 [RID-AGE]
Jacob, Francoise [Auteur]
Centre d’Infection et d’Immunité de Lille - INSERM U 1019 - UMR 9017 - UMR 8204 [CIIL]
Centre d’Infection et d’Immunité de Lille - INSERM U 1019 - UMR 9017 - UMR 8204 [CIIL]
Clantin, Bernard [Auteur]

Facteurs de Risque et Déterminants Moléculaires des Maladies liées au Vieillissement - U 1167 [RID-AGE]
Yuan, Youhua [Auteur]
Centre d’Infection et d’Immunité de Lille - INSERM U 1019 - UMR 9017 - UMR 8204 [CIIL]
Lecher, Sophie [Auteur]
Centre d’Infection et d’Immunité de Lille - INSERM U 1019 - UMR 9017 - UMR 8204 [CIIL]
Lesne, Elodie [Auteur]
Centre d’Infection et d’Immunité de Lille - INSERM U 1019 - UMR 9017 - UMR 8204 [CIIL]
Antoine, Rudy [Auteur]
Centre d’Infection et d’Immunité de Lille - INSERM U 1019 - UMR 9017 - UMR 8204 [CIIL]
Villeret, Vincent [Auteur]

Facteurs de Risque et Déterminants Moléculaires des Maladies liées au Vieillissement - U 1167 [RID-AGE]
Jacob, Francoise [Auteur]
Centre d’Infection et d’Immunité de Lille - INSERM U 1019 - UMR 9017 - UMR 8204 [CIIL]
Journal title :
Journal of Bacteriology
Pages :
e00614-20
Publisher :
American Society for Microbiology
Publication date :
2021
ISSN :
0021-9193
English keyword(s) :
two-component system
Bordetella pertussis
sensor kinases
PAS domain
virulence regulation
Bordetella pertussis
sensor kinases
PAS domain
virulence regulation
HAL domain(s) :
Sciences du Vivant [q-bio]/Biochimie, Biologie Moléculaire/Biologie structurale [q-bio.BM]
English abstract : [en]
The two-component system BvgAS controls the virulence regulon in Bordetella pertussis. BvgS is the prototype of a family of sensor histidine kinases harboring periplasmic Venus flytrap (VFT) domains. The VFT domains are ...
Show more >The two-component system BvgAS controls the virulence regulon in Bordetella pertussis. BvgS is the prototype of a family of sensor histidine kinases harboring periplasmic Venus flytrap (VFT) domains. The VFT domains are connected to the cytoplasmic kinase moiety by helical linkers separated by a Per-ARNT-Sim (PAS) domain. Antagonism between the two linkers, as one forms a coiled coil when the other is dynamic and vice versa, regulates BvgS activity. Here, we solved the structure of the intervening PAS domain by X-ray crystallography. Two forms were obtained that notably differ by the connections between the PAS core domain and the flanking helical linkers. Structure-guided mutagenesis indicated that those connections participate in the regulation of BvgS activity. Thus, the PAS domain appears to function as a switch facilitator module whose conformation determines the output of the system. As many BvgS homologs have similar architectures, the mechanisms unveiled here are likely to generally apply to the regulation of sensor histidine kinases of that family.Show less >
Show more >The two-component system BvgAS controls the virulence regulon in Bordetella pertussis. BvgS is the prototype of a family of sensor histidine kinases harboring periplasmic Venus flytrap (VFT) domains. The VFT domains are connected to the cytoplasmic kinase moiety by helical linkers separated by a Per-ARNT-Sim (PAS) domain. Antagonism between the two linkers, as one forms a coiled coil when the other is dynamic and vice versa, regulates BvgS activity. Here, we solved the structure of the intervening PAS domain by X-ray crystallography. Two forms were obtained that notably differ by the connections between the PAS core domain and the flanking helical linkers. Structure-guided mutagenesis indicated that those connections participate in the regulation of BvgS activity. Thus, the PAS domain appears to function as a switch facilitator module whose conformation determines the output of the system. As many BvgS homologs have similar architectures, the mechanisms unveiled here are likely to generally apply to the regulation of sensor histidine kinases of that family.Show less >
Language :
Anglais
Peer reviewed article :
Oui
Audience :
Internationale
Popular science :
Non
Source :
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