Caterpillars with a notoriously painful sting may have evolved their venom with help from ancient microbes, according to a new study led by scientists from the University of Queensland in Australia.
that binds itself to the surface of a cell, the researchers explain, assembling into doughnut-like structures that rip holes in their cell target.
In their new study, Walker and his colleagues say they've found evidence that major components of asp caterpillar venom were recruited as venom toxins from genes that bacteria transferred horizontally to their ancestors.
. Understanding venom can help us protect ourselves from it, and can give us new ideas for developing or improving things like medications and pesticides.
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