A widespread bacterial defence system called SNIPE is shown to localize to the cell membrane, where it identifies and cleaves the DNA of infecting phage as it is injected into the bacterial cell.
One of the dead was hit by the tram as it derailed while the second victim was a passenger, the city’s mayor, Giuseppe Sala, told reporters at the scene.
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'A dangerous precedent'
How this addresses the real-world failures from earlier