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Access through your institution Buy or subscribe In a recent report in _Nature_, Julie Canman and colleagues challenge the widely held view that the symmetrical bipolar spindle is required
for cleavage-site formation. In an elegant set of experiments, they used a small-molecule inhibitor to block the kinesin Eg5, which is essential for establishing a bipolar spindle. As this
inhibition activated the spindle checkpoint, they blocked this checkpoint as well. What they found was that monopolar half-spindles formed, but that furrow formation and cytokinesis still
occurred. The cell-division plane formed on the side of the cell facing the chromosomes and not at the poles. So, these results showed that two opposing microtubule arrays are not essential
for cell division. This is a preview of subscription content, access via your institution ACCESS OPTIONS Access through your institution Subscribe to this journal Receive 12 print issues and
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which are calculated during checkout ADDITIONAL ACCESS OPTIONS: * Log in * Learn about institutional subscriptions * Read our FAQs * Contact customer support ORIGINAL RESEARCH PAPERS *
Canman, J. C. et al. Determining the position of the cell division plane. _Nature_ 2003 August 6 (DOI: 10.1038/nature01860) * Alsop, G. B. & Zhang, D. Microtubules are the only
structural constituent of the spindle apparatus required for induction of cell cleavage. _J. Cell Biol._ 162, 383–390 (2003) Article CAS Google Scholar Download references AUTHOR
INFORMATION AUTHORS AND AFFILIATIONS * Associate Editor, Nature, Mirella Bucci Authors * Mirella Bucci View author publications You can also search for this author inPubMed Google Scholar
RIGHTS AND PERMISSIONS Reprints and permissions ABOUT THIS ARTICLE CITE THIS ARTICLE Bucci, M. Right place, right time. _Nat Rev Mol Cell Biol_ 4, 675 (2003). https://doi.org/10.1038/nrm1213
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