Clostridium difficile Toxins: Mechanism of Action and Role in Disease

DE Voth, JD Ballard - Clinical microbiology reviews, 2005 - Am Soc Microbiol
As the leading cause of hospital-acquired diarrhea, Clostridium difficile colonizes the large
bowel of patients undergoing antibiotic therapy and produces two toxins, which cause …

Actin-specific ADP-ribosyltransferase produced by a Clostridium difficile strain

MR Popoff, EJ Rubin, DM Gill, P Boquet - Infection and immunity, 1988 - Am Soc Microbiol
By screening possible ADP-ribosyltransferase activities in culture supernatants from various
Clostridium species, we have found one Clostridium difficile strain (CD196)(isolated in our …

The mammalian G protein rhoC is ADP‐ribosylated by Clostridium botulinum exoenzyme C3 and affects actin microfilaments in Vero cells.

P Chardin, P Boquet, P Madaule, MR Popoff… - The EMBO …, 1989 - embopress.org
Clostridium botulinum C3 is a recently discovered exoenzyme that ADP‐ribosylates a
eukaryotic GTP‐binding protein of the ras superfamily. We show now that the bacterially …

Clostridium difficile toxin B disrupts the barrier function of T84 monolayers

G Hecht, A Koutsouris, C Pothoulakis, JT LaMont… - Gastroenterology, 1992 - Elsevier
The contribution of toxin B to Clostridium difficile-associated infection is undefined. Toxin B
induces dramatic phenotypic alterations (cytotoxic effects) in cultured mesenchymal and …

Human Clostridium difficile infection: inhibition of NHE3 and microbiota profile

MA Engevik, KA Engevik… - American Journal …, 2015 - journals.physiology.org
Clostridium difficile infection (CDI) is principally responsible for hospital acquired, antibiotic-
induced diarrhea and colitis and represents a significant financial burden on our healthcare …

[HTML][HTML] Clostridium difficile toxin B acts on the GTP-binding protein Rho.

I Just, G Fritz, K Aktories, M Giry, MR Popoff… - Journal of Biological …, 1994 - Elsevier
Clostridium difficile toxin B exhibits cytotoxic activity that is characterized by the disruption of
the microfilamental cytoskeleton. Here we studied whether the GTP-binding Rho protein …

NSP4 enterotoxin of rotavirus induces paracellular leakage in polarized epithelial cells

F Tafazoli, CQ Zeng, MK Estes, KE Magnusson… - Journal of …, 2001 - Am Soc Microbiol
The nonstructural NSP4 protein of rotavirus has been described as the first viral enterotoxin.
In this study we have examined the effect of NSP4 on polarized epithelial cells (MDCK-1) …

The low molecular mass GTP-binding protein Rho is affected by toxin A from Clostridium difficile.

I Just, J Selzer, C von Eichel-Streiber… - The Journal of clinical …, 1995 - Am Soc Clin Investig
Enterotoxin A is one of the major virulence factors of Clostridium difficile, and the causative
agent of antibiotic-associated pseudomembranous colitis. In cell culture (NIH-3T3, rat …

Modulation of tight junction function by G protein-coupled events

AM Hopkins, D Li, RJ Mrsny, SV Walsh… - Advanced drug delivery …, 2000 - Elsevier
Small G proteins or GTPases comprise a growing family of signal transduction molecules
with inducible properties dependent upon reversible interactions with guanine nucleotides …

Human intestinal enteroids as a model of Clostridioides difficile-induced enteritis

MA Engevik, HA Danhof… - American Journal …, 2020 - journals.physiology.org
Clostridioides difficile is an important nosocomial pathogen that produces toxins to cause life-
threatening diarrhea and colitis. Toxins bind to epithelial receptors and promote the collapse …