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Bub3 gene disruption in mice reveals essential mitotic spindle checkpoint function during early embryogenesis

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Kalitsis, Paul, Earle, Elizabeth, Fowler, Kerry J., Choo, K.H. Andy·2000·Genes & Development

Abstract

Bub3 is a conserved component of the mitotic spindle assembly complex. The protein is essential for early development in Bub3 gene-disrupted mice, evident from their failure to survive beyond day 6.5–7.5 postcoitus (pc). Bub3 null embryos appear normal up to day 3.5 pc but accumulate mitotic errors from days 4.5–6.5 pc in the form of micronuclei, chromatin bridging, lagging chromosomes, and irregular nuclear morphology. Null embryos treated with a spindle-depolymerising agent fail to arrest in metaphase and show an increase in mitotic disarray. The results confirm Bub3 as a component of the essential spindle checkpoint pathway that operates during early embryogenesis.

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Metadata

Authors
Kalitsis, P., Earle, E., Fowler, K. J., & Choo, K. H. A.
Venue
Genes & Development
Published
2000-09-15
Volume
14
Issue
18
Pages
2277-2282
ISSN
  • 0890-9369 (ISSN-L)
  • 1549-5477
OpenAlex
W2153198916
Cited by
241
References
0
Type
posted content
Language
en
Open access
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CoChat. (2026). Citation check: Bub3 gene disruption in mice reveals essential mitotic spindle checkpoint function during early embryogenesis. https://app.cochat.ai/papers/10.1101/gad.827500
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Kalitsis, P., Earle, E., Fowler, K. J., & Choo, K. H. A. (2000). Bub3 gene disruption in mice reveals essential mitotic spindle checkpoint function during early embryogenesis. Genes & Development. https://doi.org/10.1101/gad.827500

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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