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Chromosome Res. 2013 May;21(3):271-86. doi: 10.1007/s10577-013-9350-3.

Organelle asymmetry for proper fitness, function, and fate.

Author information

1
Cell Biology and Physiology Center, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, USA.

Abstract

During cellular division, centrosomes are tasked with building the bipolar mitotic spindle, which partitions the cellular contents into two daughter cells. While every cell will receive an equal complement of chromosomes, not every organelle is symmetrically passaged to the two progeny in many cell types. In this review, we highlight the conservation of nonrandom centrosome segregation in asymmetrically dividing stem cells, and we discuss how the asymmetric function of centrosomes could mediate nonrandom segregation of organelles and mRNA. We propose that such a mechanism is critical for insuring proper cell fitness, function, and fate.

PMID:
23681659
PMCID:
PMC4121668
DOI:
10.1007/s10577-013-9350-3
[Indexed for MEDLINE]
Free PMC Article

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