Loosen Up

Bacterial toxin may lead to less painful treatments for diabetes and brain cancer

12:37pm, October 2, 2002

Take the nasty bacterium that causes cholera, delete the gene for its well-studied toxin, and you should end up with a harmless microbe that can immunize people against the real thing. It sounded like a good plan, recalls Alessio Fasano of the University of Maryland School of Medicine in Baltimore.

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