Microbe-eating-microbes are found in "almost every ecosystem on Earth," says a defense department scientist who hopes bacteria of this type might one day be deployed to fight human infections.
First, it uses its whip-like flagella to swim up to prey. Then it latches on, using tiny appendages "which are little grappling hooks on the surface," says Liz Sockett, a professor of bacterial genetics at Nottingham University in the UK. It's a bit like a climber attaching to rock, she says.
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