Science

Mammals inherit most of their gut bacteria, new study suggests

2 monthes ago   |   By Ars Technica

Enlarge / It's never a good day to be a lab mouse.
The communities of bacteria that live in most mammals' guts are mostly passed down from mothers to their offspring, rather than traded among neighbors or picked up from the environment, suggests a new study in mice. But a few exceptions may suggest something interesting about the evolution of some human pathogens.
Inherited microbes
Bacteria living on and in your body outnumber your actual human cells several many times over. In your digestive tract, those invisible ecosystems play important roles not only in digestion but also in the...
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