Object's details: Alpha-Helical Protein KfrC Acts as a Switch between the Lateral and Vertical Modes of Dissemination of Broad-Host-Range RA3 Plasmid from IncU (IncP-6) Incompatibility Group

Provider:Repozytorium Instytutu Biochemii i Biofizyki Polskiej Akademii Nauk

Description

Title:
Alpha-Helical Protein KfrC Acts as a Switch between the Lateral and Vertical Modes of Dissemination of Broad-Host-Range RA3 Plasmid from IncU (IncP-6) Incompatibility Group
Creator:
Minura, Monika;
Lewicka, Ewa;
Godziszewska, Jolanta;
Adamczyk, Małgorzata;
Jagura-Burdzy, Grazyna
Description:
KfrC proteins are encoded by the conjugative broad-host-range plasmids that also encode alpha-helical filament-forming KfrA proteins as exemplified by the RA3 plasmid from the IncU incompatibility group. The RA3 variants impaired in kfrA, kfrC, or both affected the host’s growth and demonstrated the altered stability in a species-specific manner. In a search for partners of the alpha-helical KfrC protein, the host’s membrane proteins and four RA3-encoded proteins were found, including the filamentous KfrA protein, segrosome protein KorB, and the T4SS proteins, the coupling protein VirD4 and ATPase VirB4. The C-terminal, 112-residue dimerization domain of KfrC was involved in the interactions with KorB, the master player of the active partition, and VirD4, a key component of the conjugative transfer process. In Pseudomonas putida, but not in Escherichia coli, the lack of KfrC decreased the stability but improved the transfer ability. We showed that KfrC and KfrA were involved in the plasmid maintenance and conjugative transfer and that KfrC may play a species-dependent role of a switch between vertical and horizontal modes of RA3 spreading.
Object availability:
free access
Date:
2021.05.05
Type:
Article;
NonPeerReviewed
Language:
English
Format:
application/pdf
Publisher:
MDPI
Relation: http://eprints.ibb.waw.pl/2032 ;https://www.mdpi.com/1422-0067/22/9/4880 ;doi.org/10.3390/ijms22094880
Subject:
QR Microbiology
Identifier: http://eprints.ibb.waw.pl/2032/1/ijms-22-04880.pdf ;
Minura, Monika and Lewicka, Ewa and Godziszewska, Jolanta and Adamczyk, Małgorzata and Jagura-Burdzy, Grazyna (2021) Alpha-Helical Protein KfrC Acts as a Switch between the Lateral and Vertical Modes of Dissemination of Broad-Host-Range RA3 Plasmid from IncU (IncP-6) Incompatibility Group. International Journal of Molecular Sciences, 22 (9). p. 4880. ISSN 1422-0067
Data provider:
Repozytorium Instytutu Biochemii i Biofizyki Polskiej Akademii Nauk

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Object's details: Alpha-Helical Protein KfrC Acts as a Switch between the Lateral and Vertical Modes of Dissemination of Broad-Host-Range RA3 Plasmid from IncU (IncP-6) Incompatibility Group

Description

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