Results 31 to 40 of about 20,389 (266)

Comprehensive characterization of toxins during progression of inhalation anthrax in a non-human primate model.

PLoS Pathogens, 2022
Inhalation anthrax has three clinical stages: early-prodromal, intermediate-progressive, and late-fulminant. We report the comprehensive characterization of anthrax toxins, including total protective antigen (PA), total lethal factor (LF), total edema ...
Anne E Boyer, Maribel Gallegos-Candela, Renato C Lins, Maria I Solano, Adrian R Woolfitt, John S Lee, Daniel C Sanford, Katherine A B Knostman, Conrad P Quinn, Alex R Hoffmaster, James L Pirkle, John R Barr   +11 more
doaj   +1 more source

Changing the Receptor Specificity of Anthrax Toxin [PDF]

mBio, 2012
ABSTRACT The actions of many bacterial toxins depend on their ability to bind to one or more cell-surface receptors. Anthrax toxin acts by a sequence of events that begins when the protective-antigen (PA) moiety of the toxin binds to either one of two cell-surface proteins, ANTXR1 and ANTXR2, and is proteolytically activated. The
Mechaly, Adva, McCluskey, Andrew Jeffrey, Collier, Robert   +2 more
openaire   +5 more sources

Onset of Anthrax Toxin Pore Formation [PDF]

Biophysical Journal, 2006
Protective antigen (PA) is the anthrax toxin protein recognized by capillary morphogenesis gene 2 (CMG2), a transmembrane cellular receptor. Upon activation, seven ligand-receptor units self-assemble into a heptameric ring-like complex that becomes endocytozed by the host cell. A critical step in the subsequent intoxication process is the formation and
Gao, Mu, Schulten, Klaus
openaire   +3 more sources

Bacillus anthracis edema factor substrate specificity: evidence for new modes of action [PDF]

, 2012
Since the isolation of Bacillus anthracis exotoxins in the 1960s, the detrimental activity of edema factor (EF) was considered as adenylyl cyclase activity only.
Agrawal, Altaweel, Basler, Bauche, Bell, Benson, Beste, Bock, Bond, Boyd, Bradley, Brown, Burhenne, Carbonetti, Carbonetti, Carson-Walter, Casteel, Christensen, Christensen, Confer, Copsel, Crawford, Crowe, Cunningham, Dalkas, Defer, Deuquet, Ding, Drum, Duesbery, Feld, Firoved, Friedlander, Fu, Fukuhara, Gaion, Gille, Gordon, Göttle, Hammerschmidt, He, Helfman, Hong, Ivarsson, Jernigan, Johnson, Katayama, Katayama, Kaupp, Kintzer, Klimpel, Laine, Larabee, Larabee, Leppla, Liu, Martin Göttle, McDonough, Milne, Mogridge, Mogridge, Newton, Newton, Newton, Newton, Newton, Oncu, O´Brien, Park, Petosa, Pezard, Postea, Puhar, Roland Seifert, Santelli, Scobie, Scobie, Scorpio, Shapiro, Shen, Shirshev, Soelaiman, Stefan Dove, Sun, Tamayo, Taylor, Taylor, Tesmer, Thomas, Tournier, Vitale, Vitale, Vojtova, Yeager, Zong   +94 more
core   +2 more sources

The Receptors that Mediate the Direct Lethality of Anthrax Toxin

Toxins, 2012
Tumor endothelium marker-8 (TEM8) and capillary morphogenesis protein-2 (CMG2) are the two well-characterized anthrax toxin receptors, each containing a von Willebrand factor A (vWA) domain responsible for anthrax protective antigen (PA) binding ...
Stephen H. Leppla, Benjamin Hoover, Yi Zhang, Shihui Liu   +3 more
doaj   +1 more source

Anthrax toxin rafts into cells [PDF]

The Journal of Cell Biology, 2003
Anthrax toxin binds to a plasma membrane receptor and after endocytosis exerts its deadly effects on the cell. Until now, however, the mechanism of initial toxin uptake was unknown. In this issue, Abrami et al. (2003) demonstrate that toxin oligomerization clusters the anthrax receptor into lipid rafts and this complex is internalized via the clathrin ...
openaire   +3 more sources

Exposure to anthrax toxin alters human leucocyte expression of anthrax toxin receptor 1 [PDF]

Clinical and Experimental Immunology, 2013
Summary Anthrax is a toxin-mediated disease, the lethal effects of which are initiated by the binding of protective antigen (PA) with one of three reported cell surface toxin receptors (ANTXR). Receptor binding has been shown to influence host susceptibility to the toxins.
Ingram RJ, Harris A, Ascough S, Metan G, Doganay M, Ballie L, Williamson ED, Dyson H, Robinson JH, Sriskandan S, Altmann DM   +10 more
openaire   +6 more sources

Anthrax toxin receptor 2-dependent lethal toxin killing in vivo. [PDF]

PLoS Pathogens, 2006
Anthrax toxin receptors 1 and 2 (ANTXR1 and ANTXR2) have a related integrin-like inserted (I) domain which interacts with a metal cation that is coordinated by residue D683 of the protective antigen (PA) subunit of anthrax toxin. The receptor-bound metal
Heather M Scobie, Darran J Wigelsworth, John M Marlett, Diane Thomas, G Jonah A Rainey, D Borden Lacy, Marianne Manchester, R John Collier, John A T Young   +8 more
doaj   +1 more source

Toxin-neutralizing antibodies elicited by naturally acquired cutaneous anthrax are elevated following severe disease and appear to target conformational epitopes.

PLoS ONE, 2020
Understanding immune responses to native antigens in response to natural infections can lead to improved approaches to vaccination. This study sought to characterize the humoral immune response to anthrax toxin components, capsule and spore antigens in ...
Eric K Dumas, Hayati Demiraslan, Rebecca J Ingram, Rebecca M Sparks, Emily Muns, Adriana Zamora, Jason Larabee, Lori Garman, Jimmy D Ballard, Geert-Jan Boons, Judith A James, Uner Kayabas, Mehmet Doganay, A Darise Farris   +13 more
doaj   +1 more source

Upstream sequence-dependent suppression and AtxA-dependent activation of protective antigens in Bacillus anthracis [PDF]

PeerJ, 2019
The anthrax toxin is a virulence factor produced by the bacterium Bacillus anthracis. Transcription of anthrax toxin genes is controlled by the transcription factor AtxA. Thus, AtxA is thought to be a key factor for the pathogenicity of B.
Kochi Toyomane, Yoshikazu Furuta, Daisuke Fujikura, Hideaki Higashi   +3 more
doaj   +2 more sources