Scientists watch bacteria 'harpoon' DNA to speed their evolution. Researchers have recorded the first images of bacterial appendages as they stretched out to catch DNA. These DNA fragments can then be incorporated into the bacteria's own genome via a process called "horizontal gene transfer"

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Scientists watch bacteria 'harpoon' DNA to speed their evolution. Researchers have recorded the first images of bacterial appendages as they stretched out to catch DNA. These DNA fragments can then be incorporated into the bacteria's own genome via a process called "horizontal gene transfer"