A new cultivation method using electricity could help scientists reproduce iron-oxidizing bacteria in the lab. The bacteria "eats" the electrons in iron, causing rust, and has been characteristically difficult to grow in a lab. Electrochemical cultivation is a "new way to cultivate a microorganism that's been very difficult to study. But the fact that these organisms can synthesize everything they need using only electricity makes us very interested in their abilities," says Daniel Bond, a co-author of the study published in the American Society for Microbiology.

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