Powerful drilling speargun lets bacteria poison their enemies

The mechanism by which some bacteria inject deadly poison into other cells has been revealed by ...

There are about 40 trillion bacteria living in and on you, which means things are pretty crowded at the microscopic level. With all that competition between microbes, some have developed a novel way to deal with unwanted neighbors: a tiny speargun that injects lethal poisons through a mechanism known as a type VI secretion system (T6SS). Now researchers at the University of Basel in Switzerland have figured out just how the deadly weapon works.

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Category: Biology

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