Published online October 22, 2007
doi:10.1083/jcb.200709152
The Journal of Cell Biology, Vol. 179, No. 2, 179-181
The Rockefeller University Press, 0021-9525 $30.00
© 2007 Compton
Chromosome orientation
Duane A. Compton
Department of Biochemistry, Dartmouth Medical School, Hanover, NH 03755
Correspondence to Duane A. Compton: Duane.a.compton{at}dartmouth.edu
Precise chromosome segregation during cell division results from the attachment of chromosomes to microtubules emanating from both poles of the spindle apparatus. The molecular machinery involved in establishing and maintaining properly oriented microtubule attachments remains murky. Some clarity is now emerging with the identification of Bod1 (Biorientation Defective 1), a protein that promotes chromosome biorientation by unleashing chromosomes from improperly oriented microtubule attachments.

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