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Inhalation Anthrax

Anthrax is a zoonotic disease caused by Bacillus anthracis, a Gram-positive, spore-forming bacterium. It primarily affects herbivorous animals but can be transmitted to humans through skin contact, ingestion, or inhalation of spores.Cutaneous anthrax, the most common form, typically results from direct contact with bacterial spores through skin abrasions and is generally less severe. Gastrointestinal anthrax results from eating undercooked or contaminated meat. It affects the mouth, throat, or...
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A High-throughput-compatible FRET-based Platform for Identification and Characterization of Botulinum Neurotoxin Light Chain Modulators
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Published on: December 27, 2013

Anthrax toxin delivers a one-two punch.

Kenneth A Bradley1, Steven M LeVine

  • 1Department of Microbiology, Immunology, and Molecular Genetics, University of California, Los Angeles, CA 90095, USA. kbradley@microbio.ucla.edu

Cell Host & Microbe
|November 16, 2010
PubMed
Summary
This summary is machine-generated.

Anthrax toxin intoxication of myeloid cells aids Bacillus anthracis infection establishment. However, high toxin levels in late-stage disease do not require myeloid cell targeting for mortality.

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Area of Science:

  • Microbiology
  • Pathogen-Host Interactions
  • Immunology

Background:

  • Bacillus anthracis toxin is a key virulence factor, but its specific targets remain unclear.
  • Understanding anthrax toxin's role in infection pathogenesis is crucial for developing effective countermeasures.

Discussion:

  • Myeloid-derived cells are targeted by anthrax toxin during infection.
  • Toxin intoxication of these cells is important for the initial stages of infection establishment.
  • This intoxication is not essential for mortality when toxin concentrations are very high in end-stage disease.

Key Insights:

  • Myeloid cell intoxication by anthrax toxin is a significant factor in early infection.
  • High-dose anthrax toxin can cause mortality independently of myeloid cell targeting.
  • This finding refines our understanding of anthrax pathogenesis and toxin function.

Outlook:

  • Further research into alternative toxin targets and mechanisms of mortality is warranted.
  • These insights could inform the development of novel therapeutic strategies against anthrax.
  • Investigating the precise role of myeloid cells in different stages of anthrax infection is key.