Better immune defense against anthrax

September 8, 2009

Scientists discover a gene in anthrax-causing bacteria may help defend against this form of bio-warfare.

Spread of the deadly disease by spores of the bacterium is a known terrorism risk and protection includes finding ways to treat the disease, according to an academic paper reviewed by Faculty of 1000.

Scientists from the University of California (San Diego) have identified a gene in B. anthracis that not only contributes to the severity of the anthrax disease but also makes it more difficult for a patient's immune system to fight the infection.

Mattias Collin, of Lund University, and Marc A. Williams, of the University of Rochester, praised the study as "a true tour de force" on the Faculty of 1000 Biology website and noted that this might provide a new way to treat anthrax poisoning. If the gene, known as ClpX, is inactivated in the anthrax-causing , the body's natural defence mechanism can better fight the disease.

"This study has indeed identified a potential treasure trove in ClpX", Colin and Williams wrote. While there is much left to learn about the exact mechanism the bacteria use ClpX to attack their hosts, the Faculty of 1000 members added the study will "unveil novel targets for in treating anthrax in human subjects.

More information: The full text of the evaluation of "ClpX Contributes to Innate Defense Peptide Resistance and Virulence Phenotypes of Bacillus anthracis" is available at

Source: Faculty of 1000: Biology and Medicine

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