Stories about: basic biology

New angles for blocking Shiga and ricin toxins, and new light on an iconic biological process

Shiga toxin producing E. coli
Shiga-toxin-producing E. coli (IMAGE: JANICE HANEY CARR / USCDC)

Min Dong, PhD, and his lab are world experts in toxins and how to combat them. They’ve figured out how Clostridium difficile’s most potent toxin gets into cells and zeroed in on the first new botulinum toxin identified since 1969. Now, they’ve set their sights on Shiga and ricin toxins, and not only identified new potential lines of defense, but also shed new light on a fundamental part of cell biology: glycosylation.

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