Bacteria free themselves with molecular 'speargun'

Many bacteria are armed with nano-spearguns, which they use to combat unwelcome competitors or knockout host cells. The pathogen responsible for tularemia, a highly virulent infectious disease, uses this weapon to escape from its prison in cells defending the host. Researchers from the Biozentrum of the University of Basel report on this bacterial strategy in the current issue of 'Nature Communications.'

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