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Action at a distance during cytokinesis (JCB 2009 UW & UWM)
cells depleted of astral microtubules conduct accurate, complete cytokinesis
asters alone can support furrow induction without a spindle, but only when sufficiently separated
Ablation of a single centrosome displaces furrows away from the remaining centrosome; ablation of both centrosomes causes broad, inefficient furrowing
the asters confer accuracy and precision to a primary furrow-inducing signal that can reach the cell surface from the spindle without transport on microtubules
astral microtubules are not needed to transmit the cytokinetic signal, even in large round cells where the nearest spindle microtubule is far from the cell surface