In the PanCK+ epithelial tumour compartment of both cancer types, bacteria-colonized regions were less vascularized than bacteria-negative regions, with reduced expression of smooth muscle actin (SMA) and lower levels of proliferation, as characterized by the downregulation of Ki-67 and p90 RSK (ref. 19) (Fig. 2b). The gene discussed is MKI67; the disease is cancer.