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DNA May Affect What Bugs Reside in Your Gut

Posted 11 May 2016 by Drugs.com

WEDNESDAY, May 11, 2016 – At least some of the microbes that live in your gut may be influenced by your genes, a new study finds. "We set out to find out about human genes that are implicated in the regulation of the gut microbiome, and we found some that are," said senior study author Ruth Ley, an associate professor in the department of microbiology at Cornell University, in Ithaca, N.Y. For example, the researchers found a link between the LCT gene – involved in making the enzyme that helps the body digest dairy products – and a type of microorganism called Bifidobacterium, which is commonly used in probiotics. "Based on our research, we identified more than a dozen microbes with known links to health that are heritable," Ley said. "These microorganisms are environmentally acquired, but the genome also plays a part – by determining which microorganisms are more dominant than ... Read more

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