Volume 586 Issue 7829



News Features

News & Views

Bacteria sting viral invaders p.363

The cGAS–STING signalling pathway, which has a key role in antiviral immune responses in mammals, is found to have originated as an immune-defence system that protects bacteria against viral infection.

doi: 10.1038/d41586-020-02712-8

Brain’s immune cells put the brakes on neurons p.366

Microglia are the brain’s immune cells. A previously unknown role for microglia has now been uncovered: providing negative feedback to active neurons, to help the brain process information.

doi: 10.1038/d41586-020-02713-7