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XB-ART-43172
Cytoskeleton (Hoboken) 2011 Feb 01;682:112-24. doi: 10.1002/cm.20498.
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A role for central spindle proteins in cilia structure and function.

Smith KR , Kieserman EK , Wang PI , Basten SG , Giles RH , Marcotte EM , Wallingford JB .


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Cytokinesis and ciliogenesis are fundamental cellular processes that require strict coordination of microtubule organization and directed membrane trafficking. These processes have been intensely studied, but there has been little indication that regulatory machinery might be extensively shared between them. Here, we show that several central spindle/midbody proteins (PRC1, MKLP-1, INCENP, centriolin) also localize in specific patterns at the basal body complex in vertebrate ciliated epithelial cells. Moreover, bioinformatic comparisons of midbody and cilia proteomes reveal a highly significant degree of overlap. Finally, we used temperature-sensitive alleles of PRC1/spd-1 and MKLP-1/zen-4 in C. elegans to assess ciliary functions while bypassing these proteins' early role in cell division. These mutants displayed defects in both cilia function and cilia morphology. Together, these data suggest the conserved reuse of a surprisingly large number of proteins in the cytokinetic apparatus and in cilia.

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Species referenced: Xenopus laevis
Genes referenced: incenp

References [+] :
Albertson, Vesicles and actin are targeted to the cleavage furrow via furrow microtubules and the central spindle. 2008, Pubmed