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This is Scientific American 60-Second Science. I'm Gretchen Kuda Kroen. Got a minute?

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When normal populations of healthy bacteria in the gut get out of whack, the result can be the stubborn and recurrent bacterial infection known as Clostridium difficile – C-dif.

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The main symptom is nearly constant and debilitating diarrhea.

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One of the most successful therapies for C-dif is to repopulate the intestines with healthy bacteria that keep that nasty C-dif in check.

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There's been only one way to do this: import a small sample of a healthy person's feces.

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That's right. a poop-transplant.

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But the "ick" factor of fecal transplants is a hurdle for some, as well as a regulatory conundrum for the FDA.

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Which is why researchers at the University Of Guelph in Canada came up with a synthetic alternative:

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a laboratory-made slurry of healthy bacteria they're calling "rePOOPulate."

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The research is published in the journal Microbiome.

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It's intended to replace human fecal matter in stool transplants, and researchers say it has several advantages.

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The bacteria are carefully controlled and can be tailored to the patient.

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It reduces the risk of transmitting disease. and, well, it's just less gross.

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Thanks for the minute, for Scientific American 60-Second Science. I'm Gretchen Kuda Kroen.

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