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Cited by 379

The DOI matches its Crossref record; 61 of the 61 references it cites were found in a registry or an index.

Spatial and Temporal Regulation of Condensins I and II in Mitotic Chromosome Assembly in Human Cells

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Ono, Takao, Fang, Yuda, Spector, David L., Hirano, Tatsuya·2004·Molecular Biology of the Cell

Abstract

Two different condensin complexes make distinct contributions to metaphase chromosome architecture in vertebrate cells. We show here that the spatial and temporal distributions of condensins I and II are differentially regulated during the cell cycle in HeLa cells. Condensin II is predominantly nuclear during interphase and contributes to early stages of chromosome assembly in prophase. In contrast, condensin I is sequestered in the cytoplasm from interphase through prophase and gains access to chromosomes only after the nuclear envelope breaks down in prometaphase. The two complexes alternate along the axis of metaphase chromatids, but they are arranged into a unique geometry at the centromere/kinetochore region, with condensin II enriched near the inner kinetochore plate. This region-specific distribution of condensins I and II is severely disrupted upon depletion of Aurora B, although their association with the chromosome arm is not. Depletion of condensin subunits causes defects in kinetochore structure and function, leading to aberrant chromosome alignment and segregation. Our results suggest that the two condensin complexes act sequentially to initiate the assembly of mitotic chromosomes and that their specialized distribution at the centromere/kinetochore region may play a crucial role in placing sister kinetochores into the back-to-back orientation.

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Metadata

Authors
Ono, T., Fang, Y., Spector, D. L., & Hirano, T.
Venue
Molecular Biology of the Cell
Published
2004-07
Volume
15
Issue
7
Pages
3296-3308
ISSN
  • 1059-1524 (ISSN-L)
  • 1939-4586
OpenAlex
W2142308337
Cited by
379
References
61
FWCI
5.70
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Spatial and Temporal Regulation of Condensins I and II in Mitotic Chromosome Assembly in Human Cells. https://app.cochat.ai/papers/10.1091/mbc.e04-03-0242
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Ono, T., Fang, Y., Spector, D. L., & Hirano, T. (2004). Spatial and Temporal Regulation of Condensins I and II in Mitotic Chromosome Assembly in Human Cells. Molecular Biology of the Cell. https://doi.org/10.1091/mbc.e04-03-0242

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