"Harmless bacteria from American soils carry the same antibiotic-resistance genes as many pathogenic microbes around the world, suggesting there is a secret arms trade running between the bacteria in our soils and those that ravage our bodies with disease. Such a trade has long been suspected, but Gautam Dantasfrom the Washington University School of Medicine in St. Louis has now found the clearest evidence for it. “The genes are 100 percent identical,” he said."
http://the-scientist.com/2012/08/30/soil-harbors-antibiotic-resistance/
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