Word: miceli
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...study builds on previous research in mice that suggests that heavy bodies may have a different makeup of gut bugs than thin ones. The gut microbiota of obese mice has been shown to have significantly more of one main type of bacteria called Firmicutes and fewer of another kind called Bacteroidetes (both types populate human guts as well); in normal mice, the distribution is the opposite. Jeffrey Gordon at Washington University in St. Louis, Mo., who conducted the previous research, experimented again with mice for the new paper. This time, however, he and his team used human microbiota to colonize...
Researchers started with mice that were specially bred to be germ-free - with no gut microbiota of their own - and to be able to nurture human gut microbiota. Researchers injected the mice with samples of fresh and frozen human feces, the bacteria from which took hold and colonized in the gut of the mice. If that surprises you, it absolutely stunned the researchers. "We were surprised that so much of the diversity present in human microbial communities could be recaptured in mice," says Gordon, who has been studying gut microbiota for more than five years...
Natural sciences professor Hopi E. Hoekstra, who studies speciation in mice, is excited about the genetic implications of Kronforst’s research...
Domian added that while the researchers only used mice for this study, their next step will be to generalize the results to humans...
...another River House, two students have been acquiring a growing family of rodents. “I mean, some dorms have mice running all over. One in a cage, one in a hall, what’s the difference?” asks one junior who preferred to remain anonymous, claiming that his House administration would hunt him down if they ever found out about his pets...