Kathleen Stuart

Keywords protists ciliates cytoskeleton Tetrahymena pattern polo kinase polarity homeosis symmetry Results and discussion Ciliated protozoa assemble a rich suite of cortical organelles, including the oral apparatus (OA), cytoproct (CYP), and contractile vacuole pores (CVPs), at precise locations around the cell surface (Figure 1). This pattern is faithfully replicated at each division, propagating the cell’s global geometry (Figure 1G).