“We know that bacteria manufacture active anti-microbial molecules so when we infuse these new bacteria they are like a factory of antibiotics that have gone in there and they weed out and kill the bug that we cannot identify,” Professor Borody said.
“I think we’re on the edge of something extraordinary. The attention has switched entirely to the large bowel bacterial population which we now know is absolutely critical to human health,” Dr Topping [of CSIRO chief research scientist] said.
http://www.abc.net.au/news/2014-03-18/sydney-doctor-claims-poo-transplants-curing-diseases/5329836