Known as Abl, it is one of a family of enzymes that usually help
guide normal cell growth, but a mutation of it drives white blood cells to divide incessantly.
genes, the team has shown that B. theta helps
guide the
normal development and functioning of the intestines — including the
growth of blood vessels, the proper turnover of epithelial
cells, and the marshaling of components of the immune system needed to keep less well behaved bacteria at bay.