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"We were surprised to see that Burkholderia can spread not only by inducing cell fusion but also by directly moving from cell to cell," explains first author Dr. Miro Plum.

Equipped with the T6SS nanomachine, Burkholderia bacteria can pursue a dual strategy: cell fusion and directly moving from one cell to another.

Most important, if they inhibited the creation of polyploid cells by tinkering with genes needed for chromosome doubling or cell fusion, wounds failed to heal.

To see whether such cell fusion might happen in brain cells, Massimo Hilliard, a neuroscientist at the University of Queensland, and his colleagues first genetically engineered two populations of mouse neurons: One expressed a red fluorescent molecule, and the other a green fluorescent molecule.

The cell fusion is crazy this morning.