The two lives of the centrosome during the cell cycle (A) In interphase, the centrosome functions as a basal body for primary cilia formation. (B) The basal body matures into the spindle poles during mitosis. (C) The centrosome duplicates once per cell cycle, during S phase, and moves to opposite sides of the cell starting at G2 and throughout mitosis. In G0, the centrosome docks at the membrane and templates cilia formation once again.
Ana and Alison have just published a fun review talking about the role of cilia proteins outside of the cilia. Take a peak here: Vertii A et al. EMBO Reports.