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Last updated on April 24, 2014 at 14:25 EDT

Latest Ryan Summers Stories

2011-06-08 01:34:16

As it turns out, humans aren't the only organisms that turn to caffeine for a pick-me-up. University of Iowa scientists have identified four different bacteria that actually can live on caffeine. One of them, known as Pseudomonas putida CBB5, was found in a flowerbed outside a UI research laboratory. The research team says the discovery -- and the new understanding of how the process works -- could in the future allow scientists to convert waste from leftover coffee, tea and even chocolate...

2011-05-24 20:23:09

A new bacterium that uses caffeine for food has been discovered by a doctoral student at the University of Iowa. The bacterium uses newly discovered digestive enzymes to break down the caffeine, which allows it to live and grow. "We have isolated a new caffeine-degrading bacterium, Pseudomonas putida CBB5, which breaks caffeine down into carbon dioxide and ammonia," says Ryan Summers, who presents his research today at the 111th General Meeting of the American Society for Microbiology in New...