Tomato Vaccine

Charles Arntzen is convinced that the reddish, powdery substance he holds in his hand will make the world a safer place. Arntzen, an Arizona State University biologist, has been working for nearly five years to create what is basically freeze-dried tomato juice--but not from any ordinary tomatoes. This fruit (yes, tomatoes are fruits, not vegetables) carries a gene from a strain of the E. coli bacterium. Some strains of E. coli can cause violent diarrhea and death. Swigged down in reconstituted juice, however, a protein made by the E. coli gene should act as a vaccine, priming the immune system to...

Want the full story?

Subscribe Now

Subscribe
Subscribe

Get TIME the way you want it

  • One Week Digital Pass — $4.99
  • Monthly Pay-As-You-Go DIGITAL ACCESS$2.99
  • One Year ALL ACCESSJust $30!   Best Deal!
    Print Magazine + Digital Edition + Subscriber-only Content on TIME.com

Learn more about the benefits of being a TIME subscriber

If you are already a subscriber sign up — registration is free!