Peer Bork, a research scientist at Heidelberg, has discovered that human being living in the developed world fall into three entereotypes, or classes of gut-harboring microbes.

“Some things are pretty obvious already,” Dr. Bork said. Doctors might be able to tailor diets or drug prescriptions to suit people’s enterotypes, for example.

Or, he speculated, doctors might be able to use enterotypes to find alternatives to antibiotics, which are becoming increasingly ineffective. Instead of trying to wipe out disease-causing bacteria that have disrupted the ecological balance of the gut, they could try to provide reinforcements for the good bacteria. “You’d try to restore the type you had before,” he said. Dr. Bork notes that more testing is necessary. Researchers will need to search for enterotypes in people from African, Chinese and other ethnic origins. He also notes that so far, all the subjects come from industrial nations, and thus eat similar foods. “This is a shortcoming,” he said. “We don’t have remote villages.”

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This entry was posted on Wednesday, April 20th, 2011 at 8:00 pm.