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Researchers find a new way to potentially thwart anthrax

y as scientists have discovered a "quorum-sensing" signaling system in a wide range of bacteria, from innocuous bioluminescent microbes that light up the ocean to notorious bacteria that kill thousands of people each year.

This system allows a bacterium to monitor its environment. It tells the microbe how many other bacteria are in the neighborhood, and possibly whether they are of the same type. When a certain number of the bacterium gather in one place, the system sends out a signal that it is time to turn on other functions, such as lighting up or releasing deadly toxins. Such a system allows bacteria to reserve their energy until they gather in a big group, when they can perform some functions more effectively.

Many researchers are avidly studying quorum-sensing systems in other pathogenic (disease-causing) bacteria in the hopes of finding new ways to prevent or treat disease. They believe it may be feasible to prevent bacterial damage by dismantling or disrupting the communications system.


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Contact: Jennifer Choi
Jennifer.Choi@med.nyu.edu
212-404-3555
New York University Medical Center and School of Medicine
30-Jun-2003


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