Relaxases and plasmid transfer in gram-negative bacteria

EL Zechner, G Moncalián, F de la Cruz - … IV secretion in gram-negative and …, 2017 - Springer
All plasmids that spread by conjugative transfer encode a relaxase. That includes plasmids
that encode the type IV secretion machinery necessary to mediate cell to cell transfer, as …

Molecular underpinnings of ssDNA specificity by Rep HUH-endonucleases and implications for HUH-tag multiplexing and engineering

KJ Tompkins, M Houtti, LA Litzau, EJ Aird… - Nucleic acids …, 2021 - academic.oup.com
Replication initiator proteins (Reps) from the HUH-endonuclease superfamily process
specific single-stranded DNA (ssDNA) sequences to initiate rolling circle/hairpin replication …

HUH Endonuclease: A Sequence-Specific fusion protein tag for precise DNA-Protein conjugate

J Du, Y Kong, Y Wen, E Shen, H Xing - Bioorganic Chemistry, 2024 - Elsevier
Synthetic DNA-protein conjugates have found widespread applications in diagnostics and
therapeutics, prompting a growing interest in developing chemical biology methodologies …

Watson-Crick Base-Pairing Requirements for ssDNA Recognition and Processing in Replication-Initiating HUH Endonucleases

AT Smiley, KJ Tompkins, MR Pawlak, AJ Krueger… - Mbio, 2023 - Am Soc Microbiol
Replication-initiating HUH endonucleases (Reps) are sequence-specific nucleases that
cleave and rejoin single-stranded DNA (ssDNA) during rolling-circle replication. These …

[HTML][HTML] In silico characterization of blaNDM-harboring plasmids in Klebsiella pneumoniae

Z Zeng, L Lei, L Li, S Hua, W Li, L Zhang, Q Lin… - Frontiers in …, 2022 - frontiersin.org
Klebsiella pneumoniae is a primary culprit of antibiotic-resistant nosocomial infections
worldwide, and infections caused by NDM-producing strains are a major threat due to …

Structures of pMV158 replication initiator RepB with and without DNA reveal a flexible dual-function protein

C Machón, JA Ruiz-Masó, J Amodio… - Nucleic Acids …, 2023 - academic.oup.com
DNA replication is essential to all living organisms as it ensures the fidelity of genetic
material for the next generation of dividing cells. One of the simplest replication initiation …

[HTML][HTML] Quorum Sensing N-acyl Homoserine Lactones-SdiA Suppresses Escherichia coli-Pseudomonas aeruginosa Conjugation through Inhibiting traI Expression

Y Lu, J Zeng, B Wu, SE, L Wang, R Cai… - Frontiers in Cellular …, 2017 - frontiersin.org
Conjugation is a key mechanism for horizontal gene transfer and plays an important role in
bacterial evolution, especially with respect to antibiotic resistance. However, little is known …

[HTML][HTML] DNA structure at the plasmid origin-of-transfer indicates its potential transfer range

J Zrimec, A Lapanje - Scientific Reports, 2018 - nature.com
Horizontal gene transfer via plasmid conjugation enables antimicrobial resistance (AMR) to
spread among bacteria and is a major health concern. The range of potential transfer hosts …

[HTML][HTML] Indole Inhibits IncP-1 Conjugation System Mainly Through Promoting korA and korB Expression

R Xiong, Y Liu, J Pu, J Liu, D Zheng, J Zeng… - Frontiers in …, 2021 - frontiersin.org
Indole works as an interspecies signal molecule to regulate multiple physiological activities,
like antibiotic resistance, acid resistance, and virulence. However, the effect of indole on …

Host Range of the Conjugative Transfer System of IncP-9 Naphthalene-Catabolic Plasmid NAH7 and Characterization of Its oriT Region and Relaxase

K Kishida, K Inoue, Y Ohtsubo, Y Nagata… - Applied and …, 2017 - Am Soc Microbiol
ABSTRACT NAH7 and pWW0 from gammaproteobacterial Pseudomonas putida strains are
IncP-9 conjugative plasmids that carry the genes for degradation of naphthalene and …