Subversion of phagocytosis for pathogen survival

H Sarantis, S Grinstein - Cell host & microbe, 2012 - cell.com
Professional phagocytes, such as neutrophils and macrophages, effectively engulf and
eliminate invading microorganisms. To survive this onslaught, pathogens have developed …

Innate immune sensing of bacterial modifications of Rho GTPases by the Pyrin inflammasome

H Xu, J Yang, W Gao, L Li, P Li, L Zhang, YN Gong… - Nature, 2014 - nature.com
Cytosolic inflammasome complexes mediated by a pattern recognition receptor (PRR)
defend against pathogen infection by activating caspase 1. Pyrin, a candidate PRR, can …

The pyrin inflammasome in host–microbe interactions

NA Loeven, NP Medici, JB Bliska - Current opinion in microbiology, 2020 - Elsevier
Highlights•The pyrin inflammasome is triggered in response to RhoA inactivation.•Bacterial
effectors and toxins that inactivate RhoA vary in mechanism.•Pyrin-induced inflammation …

Intracellular replication of Staphylococcus aureus in mature phagolysosomes in macrophages precedes host cell death, and bacterial escape and dissemination

RS Flannagan, B Heit, DE Heinrichs - Cellular microbiology, 2016 - Wiley Online Library
The success of Staphylococcus aureus as a pathogen is partly attributable to its ability to
thwart host innate immune responses, which includes resisting the antimicrobial functions of …

A Burkholderia type VI effector deamidates Rho GTPases to activate the pyrin inflammasome and trigger inflammation

DF Aubert, H Xu, J Yang, X Shi, W Gao, L Li, F Bisaro… - Cell host & …, 2016 - cell.com
Burkholderia cenocepacia is an opportunistic pathogen of the cystic fibrosis lung that elicits
a strong inflammatory response. B. cenocepacia employs a type VI secretion system (T6SS) …

[HTML][HTML] Myeloid Slc2a1-deficient murine model revealed macrophage activation and metabolic phenotype are fueled by GLUT1

AJ Freemerman, L Zhao, AK Pingili, B Teng… - The Journal of …, 2019 - journals.aai.org
Macrophages (MΦs) are heterogeneous and metabolically flexible, with metabolism strongly
affecting immune activation. A classic response to proinflammatory activation is increased …

Autoinflammatory periodic fever, immunodeficiency, and thrombocytopenia (PFIT) caused by mutation in actin-regulatory gene WDR1

ASI Standing, D Malinova, Y Hong, J Record… - Journal of Experimental …, 2017 - rupress.org
The importance of actin dynamics in the activation of the inflammasome is becoming
increasingly apparent. IL-1β, which is activated by the inflammasome, is known to be central …

Superantigens promote Staphylococcus aureus bloodstream infection by eliciting pathogenic interferon-gamma production

SW Tuffs, MI Goncheva, SX Xu… - Proceedings of the …, 2022 - National Acad Sciences
Staphylococcus aureus is a foremost bacterial pathogen responsible for a vast array of
human diseases. Staphylococcal superantigens (SAgs) constitute a family of exotoxins from …

Phosphatidic acid is required for the constitutive ruffling and macropinocytosis of phagocytes

M Bohdanowicz, D Schlam… - Molecular biology of …, 2013 - Am Soc Cell Biol
Macrophages and dendritic cells continuously survey their environment in search of foreign
particles and soluble antigens. Such surveillance involves the ongoing extension of actin …

The Type VI secretion system of Burkholderia cenocepacia affects multiple Rho family GTPases disrupting the actin cytoskeleton and the assembly of NADPH …

R Rosales‐Reyes, AM Skeldon, DF Aubert… - Cellular …, 2012 - Wiley Online Library
Burkholderia cenocepacia is a Gram‐negative opportunistic pathogen of patients with cystic
fibrosis and chronic granulomatous disease. The bacterium survives intracellularly in …