Type VII secretion systems: structure, functions and transport models

A Rivera-Calzada, N Famelis, O Llorca… - Nature Reviews …, 2021 - nature.com
Type VII secretion systems (T7SSs) have a key role in the secretion of effector proteins in
non-pathogenic mycobacteria and pathogenic mycobacteria such as Mycobacterium …

Synonymous codon substitutions perturb cotranslational protein folding in vivo and impair cell fitness

IM Walsh, MA Bowman… - Proceedings of the …, 2020 - National Acad Sciences
In the cell, proteins are synthesized from N to C terminus and begin to fold during translation.
Cotranslational folding mechanisms are therefore linked to elongation rate, which varies as …

Modeling tubercular ESX-1 secretion using Mycobacterium marinum

AE Chirakos, A Balaram, W Conrad… - … and Molecular Biology …, 2020 - Am Soc Microbiol
Pathogenic mycobacteria cause chronic and acute diseases ranging from human
tuberculosis (TB) to nontubercular infections. Mycobacterium tuberculosis causes both acute …

[HTML][HTML] In vitro studies of the protein-interaction network of cell-wall lytic transglycosylase RlpA of Pseudomonas aeruginosa

LF Avila-Cobian, S De Benedetti, C Kim… - Communications …, 2022 - nature.com
The protein networks of cell-wall-biosynthesis assemblies are largely unknown. A key class
of enzymes in these assemblies is the lytic transglycosylases (LTs), of which eleven exist in …

Pervasive translation in Mycobacterium tuberculosis

C Smith, JG Canestrari, AJ Wang, MM Champion… - Elife, 2022 - elifesciences.org
Most bacterial ORFs are identified by automated prediction algorithms. However, these
algorithms often fail to identify ORFs lacking canonical features such as a length of> 50 …

An N-acetyltransferase required for ESAT-6 N-terminal acetylation and virulence in Mycobacterium marinum

OA Collars, BS Jones, DD Hu, SD Weaver… - Mbio, 2023 - Am Soc Microbiol
ABSTRACT N-terminal protein acetylation is a ubiquitous post-translational modification that
impacts diverse cellular processes in higher organisms. Bacterial proteins are also N …

[HTML][HTML] Bacterial secretion systems: networks of pathogenic regulation and adaptation in mycobacteria and beyond

KR Nicholson, PA Champion - PLoS Pathogens, 2022 - journals.plos.org
Bacteria transport proteins to diverse intracellular or extracellular locations to ensure proper
function. Proteins are localized intracellularly to the cytoplasm or the periplasm or …

[HTML][HTML] EspL is essential for virulence and stabilizes EspE, EspF and EspH levels in Mycobacterium tuberculosis

C Sala, NT Odermatt, P Soler-Arnedo… - PLoS …, 2018 - journals.plos.org
The ESX-1, type VII, secretion system represents the major virulence determinant of
Mycobacterium tuberculosis, one of the most successful intracellular pathogens. Here, by …

Conserved ESX-1 substrates EspE and EspF are virulence factors that regulate gene expression

AE Chirakos, KR Nicholson, A Huffman… - Infection and …, 2020 - Am Soc Microbiol
Mycobacterium tuberculosis, the cause of human tuberculosis, and Mycobacterium
marinum, a nontubercular pathogen with a broad host range, require the ESX-1 secretion …

Functional analysis of EspM, an ESX-1-associated transcription factor in Mycobacterium marinum

KG Sanchez, RJ Prest, KR Nicholson… - Journal of …, 2022 - Am Soc Microbiol
Pathogenic mycobacteria use the ESX-1 secretion system to escape the macrophage
phagosome and survive infection. We demonstrated that the ESX-1 system is regulated by …