The T3SS of Shigella: Expression, Structure, Function, and Role in Vacuole Escape

W Bajunaid, N Haidar-Ahmad, AH Kottarampatel… - Microorganisms, 2020 - mdpi.com
Shigella spp. are one of the leading causes of infectious diarrheal diseases. They are
Escherichia coli pathovars that are characterized by the harboring of a large plasmid that …

[HTML][HTML] The Shigella type III secretion system: an overview from top to bottom

M Muthuramalingam, SK Whittier, WL Picking… - Microorganisms, 2021 - mdpi.com
Shigella comprises four species of human-restricted pathogens causing bacillary dysentery.
While Shigella possesses multiple genetic loci contributing to virulence, a type III secretion …

Three-dimensional reconstruction of the Shigella T3SS transmembrane regions reveals 12-fold symmetry and novel features throughout

JL Hodgkinson, A Horsley, D Stabat, M Simon… - Nature structural & …, 2009 - nature.com
Type III secretion systems (T3SSs) mediate bacterial protein translocation into eukaryotic
cells, a process essential for virulence of many Gram-negative pathogens. They are …

The Shigella T3SS needle transmits a signal for MxiC release, which controls secretion of effectors

I Martinez‐Argudo, AJ Blocker - Molecular microbiology, 2010 - Wiley Online Library
Type III secretion systems (T3SSs) are key determinants of virulence in many Gram‐
negative bacteria, including animal and plant pathogens. They inject 'effector'proteins …

[HTML][HTML] Structural Insights of Shigella Translocator IpaB and Its Chaperone IpgC in Solution

ML Ferrari, SN Charova, PJ Sansonetti… - Frontiers in Cellular …, 2021 - frontiersin.org
Bacterial Type III Secretion Systems (T3SSs) are specialized multicomponent
nanomachines that mediate the transport of proteins either to extracellular locations or …

The type III secretion system needle tip complex mediates host cell sensing and translocon insertion

AKJ Veenendaal, JL Hodgkinson… - Molecular …, 2007 - Wiley Online Library
Type III secretion systems (T3SSs) are essential virulence determinants of many Gram‐
negative bacterial pathogens. The Shigella T3SS consists of a cytoplasmic bulb, a …

Oligomeric states of the Shigella translocator protein IpaB provide structural insights into formation of the type III secretion translocon

NE Dickenson, SP Choudhari, PR Adam… - Protein …, 2013 - Wiley Online Library
Abstract The Shigella flexneri Type III secretion system (T3SS) senses contact with human
intestinal cells and injects effector proteins that promote pathogen entry as the first step in …

Implications of Spatiotemporal Regulation of Shigella flexneri Type Three Secretion Activity on Effector Functions: Think Globally, Act Locally

FX Campbell-Valois, SM Pontier - Frontiers in Cellular and Infection …, 2016 - frontiersin.org
Shigella spp. are Gram-negative bacterial pathogens that infect human colonic epithelia and
cause bacterial dysentery. These bacteria express multiple copies of a syringe-like protein …

A Substrate-Fusion Protein Is Trapped inside the Type III Secretion System Channel in Shigella flexneri

K Dohlich, AB Zumsteg, C Goosmann, M Kolbe - PLoS pathogens, 2014 - journals.plos.org
The Type III Secretion System (T3SS) is a macromolecular complex used by Gram-negative
bacteria to secrete effector proteins from the cytoplasm across the bacterial envelope in a …

High-throughput screening of type III secretion determinants reveals a major chaperone-independent pathway

NH Ernst, AZ Reeves, JE Ramseyer, CF Lesser - MBio, 2018 - Am Soc Microbiol
Numerous Gram-negative bacterial pathogens utilize type III secretion systems (T3SSs) to
inject tens of effector proteins directly into the cytosol of host cells. Through interactions with …