Relaxases and plasmid transfer in gram-negative bacteria

EL Zechner, G Moncalián, F de la Cruz - … IV secretion in gram-negative and …, 2017 - Springer
cleavage reaction on the plasmid then pilot the single strand of … Thus, assembly of the
relaxosome at oriT downregulates … , in the R388 and F-like plasmid systems; IHF binding to oriT of …

[HTML][HTML] Enterococcal PcfF Is a Ribbon-Helix-Helix Protein That Recruits the Relaxase PcfG Through Binding and Bending of the oriT Sequence

S Rehman, YG Li, A Schmitt, L Lassinantti… - Frontiers in …, 2019 - frontiersin.org
… We propose that PcfF initiates relaxosome assembly by … I, and 0.5 mM proteinase inhibitor
AEBSF) before disrupting them … cleavage of the protein as confirmed by SDS-PAGE analysis. …

[HTML][HTML] Conjugative DNA transfer is enhanced by plasmid R1 partitioning proteins

CJ Gruber, S Lang, VKH Rajendra, M Nuk… - Frontiers in Molecular …, 2016 - frontiersin.org
… , but additionally the relaxosome, a complex of proteins … derivative of plasmid R1-16, which
assembled conjugation … see that the absence of Par proteins decreases in vivo cleavage

Relaxase engineering for multiprotein assembly on DNA nanostructures

S Sagredo de Pedro - 2016 - repositorio.unican.es
… They are proteins involved in very specific cleavage and strand transfer reactions. Thus …
proteins and IHF bound around the oriT assemble the nucleoprotein complex called relaxosome

The conjugative relaxase TrwC promotes integration of foreign DNA in the human genome

C González-Prieto, R Gabriel, C Dehio… - Applied and …, 2017 - Am Soc Microbiol
… We also observed that both genomic-plasmid DNA junctions did not occur at the same position
in the … IHF protein inhibits cleavage but not assembly of plasmid R388 relaxosomes. Mol …

Natural and artificial strategies to control the conjugative transmission of plasmids

M Getino, F de la Cruz - Microbiology spectrum, 2018 - Am Soc Microbiol
cleavage reaction at the nic site and acts as pilot protein for … Since FinU inhibited both pilus
assembly and entry exclusion, … plasmids was TraG, the T4CP that connects the relaxosome

The Structural Ensemble of the Conjugative F-like T4SS

N Bragagnolo, C Rodriguez… - … , Physiology, and …, 2021 - api.taylorfrancis.com
… these three proteins, with disulfide bond formation/cleavage likely … assembly of the relaxosome
enabling the rapid spread of … It is presumed that TraY and IHF induce a bend in DNA by 50…

Protein transfer through an F plasmid-encoded type IV secretion system suppresses the mating-induced SOS response

AAM Al Mamun, K Kishida, PJ Christie - MBio, 2021 - Am Soc Microbiol
… in a phosphodiesterase cleavage reaction that covalently tethers the … pED208 relaxosome
assembly and engagement with the TraD … Our findings suggest that pED208 relaxosome-TraD …

[HTML][HTML] Cryo-EM structure of a relaxase reveals the molecular basis of DNA unwinding during bacterial conjugation

A Ilangovan, CWM Kay, S Roier, H El Mkami… - Cell, 2017 - cell.com
… self-transmissible plasmids that can mediate their own … used previously, but for the presence
of a photo-activable cleavage site … for the assembly of other components of the relaxosome ( …

[HTML][HTML] Plasmid transfer by conjugation in Gram-negative bacteria: from the cellular to the community level

C Virolle, K Goldlust, S Djermoun, S Bigot, C Lesterlin - Genes, 2020 - mdpi.com
assembly and activity of a protein complex, the relaxosome, … (IHF) and the plasmid-encoded
TraY and TraM proteins, … filament, which stimulates the autocatalytic cleavage of LexA, the …