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Disease causing bugs may have come from the deep

Posted on 3 Jul 2007 in Evolution, Health, Journalism, Life

What is the difference between the bacteria around a deep-sea vent and those in the human body? Surprisingly little, according to a comparison of the genomes of bacteria from deep-sea vents with those of human and animal bacterial pathogens. Their evolutionary relationship suggests that animal pathogens came from the deep. Image: NOAA Photo Library

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