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1 .This is Scientific American 60-Second Science. I'm Christopher Intagliata. Got a minute?
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2 .Most E.coli bacteria are harmless.
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3 .It's the rare, pathogenic strains that can cause bloody diarrhea, kidney disease, or death.
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4 .But many of us may already be carrying the antidote, a healthy colony of gut bacteria.
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5 .Because a study finds that when bad E.coli get in, beneficial microbes appear to keep them at bay.
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6 .In mice, at least.
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7 .Researchers raised rodents in a sterile environment, meaning the animals are bacteria-free.
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8 .Then some were inoculated with a probiotic cocktail of human gut bacteria.
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9 .After that they all got a dose of pathogenic E.coli, the strain behind last year's spinach outbreak.
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10 .The mice who got the preemptive probiotics never got sick.
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11 .Their gut bacteria appeared to whisk away the toxins produced by E.coli.
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12 .Their probiotic-free counterparts were less lucky.
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13 .Within a week of being infected with the pathogen they got kidney disease.
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14 .The researchers presented those findings at a meeting of the American Society for Microbiology, in Denver.
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15 .So it's possible antibiotics could be joined by probiotics as future treatments for bacterial infections.
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16 .And that you may already be enlisting gut bacteria to fight off E.coli infections.
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17 .Call it a gut feeling.
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18 .Thanks for the minute, for Scientific American 60-Second Science. I'm Christopher Intagliata.
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