A team from RIKEN and from the University of Tokyo succeeded to induce regulatory T-cells (Treg) in mice colonized with human microbiota, by supplying a rationally selected mixture of Clostridia from a healthy human faecal sample.
Koji ATARASHI et al., Nature July 10, 2013, doi:10.1038/nature12331
Japanese researchers succeed to control implantation of intestinal bacteria in mice