The idea of a semi-autonomous immune system in a peripheral tissue is very exciting," says Daniel Kaplan, a dermatologist and immunologist at the University of Pittsburgh in Pennsylvania.
The next and maybe main chapter in this saga is that the response to this ubiquitous skin colonist is much more potent than we had realized," says Michael Fischbach, a microbiologist at Stanford University.
When the immune system sees a friendly bacterium, you would think that it would just give a friendly wave and walk in the other direction, but that's not at all what happens," says Michael Fischbach.
In experiments with mice, Fischbach and his colleagues discovered that S. epidermidis triggers the activation of B cells, the immune cells necessary to produce antibodies.
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