Structural and functional diversity of type IV secretion systems

TRD Costa, JB Patkowski, K Macé, PJ Christie… - Nature Reviews …, 2024 - nature.com
Considerable progress has been made in recent years in the structural and molecular
biology of type IV secretion systems in Gram-negative bacteria. The latest advances have …

Molecular architecture of bacterial type IV secretion systems

MJ Sheedlo, MD Ohi, DB Lacy, TL Cover - PLoS pathogens, 2022 - journals.plos.org
Bacterial type IV secretion systems (T4SSs) are a versatile group of nanomachines that can
horizontally transfer DNA through conjugation and deliver effector proteins into a wide range …

Cryo-EM structure of a conjugative type IV secretion system suggests a molecular switch regulating pilus biogenesis

K Macé, G Waksman - The EMBO Journal, 2024 - embopress.org
Conjugative type IV secretion systems (T4SS) mediate bacterial conjugation, a process that
enables the unidirectional exchange of genetic materials between a donor and a recipient …

The Legionella pneumophila Dot/Icm type IV secretion system and its effectors

DC Lockwood, H Amin, TRD Costa… - …, 2022 - microbiologyresearch.org
To prevail in the interaction with eukaryotic hosts, many bacterial pathogens use protein
secretion systems to release virulence factors at the host–pathogen interface and/or deliver …

DNA transport through the dynamic type IV secretion system

ME Ryan, PP Damke, CL Shaffer - Infection and Immunity, 2023 - journals.asm.org
The versatile type IV secretion system (T4SS) nanomachine plays a pivotal role in bacterial
pathogenesis and the propagation of antibiotic resistance determinants throughout microbial …

Chimeric systems composed of swapped Tra subunits between distantly-related F plasmids reveal striking plasticity among type IV secretion machines

K Kishida, YG Li, N Ogawa-Kishida, P Khara… - PLoS …, 2024 - journals.plos.org
Bacterial type IV secretion systems (T4SSs) are a versatile family of macromolecular
translocators, collectively able to recruit diverse DNA and protein substrates and deliver …

Contributions of F‐specific subunits to the F plasmid‐encoded type IV secretion system and F pilus

K Kishida, RE Bosserman, L Harb, P Khara… - Molecular …, 2022 - Wiley Online Library
F plasmids circulate widely among the Enterobacteriaceae through encoded type IV
secretion systems (T4SSFs). Assembly of T4SSFs and associated F pili requires 10 …

Target recognition by RNase E RNA-binding domain AR2 drives sRNA decay in the absence of PNPase

D Sinha, NR De Lay - Proceedings of the National Academy of Sciences, 2022 - pnas.org
The C-terminal domain (CTD) of the major endoribonuclease RNase E not only serves as a
scaffold for the central RNA decay machinery in gram-negative bacteria but also mediates …

Role of the CagY antenna projection in Helicobacter pylori Cag type IV secretion system activity

SC Tran, MS McClain, TL Cover - Infection and Immunity, 2023 - journals.asm.org
Helicobacter pylori strains containing the cag pathogenicity island (PAI) are associated with
the development of gastric adenocarcinoma and peptic ulcer disease. The cag PAI encodes …