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Journal Articles
The cdc25 homologue twine is required for only some aspects of the entry into meiosis in Drosophila
H. White-Cooper, L. Alphey, D.M. Glover
Journal of Cell Science 1993 106: 1035-1044;
H. White-Cooper
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L. Alphey
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D.M. Glover
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Summary

The twineHB5 mutation prevents spindle formation during the entry into meiosis in Drosophila males, but chromosome condensation and nuclear envelope breakdown both still occur. This suggests the possibility that this particular cdc25 homologue is required to activate a p34cdc2 kinase required for only some of the events of this G2-M transition. In contrast, meiotic spindles do form in twineHB5 females, although these appear abnormal. However, the female meiotic divisions do not arrest at metaphase I as in wild type, but continue repeatedly, leading to gross non-disjunction. Small chromatin masses, corresponding in size to the fourth chromosomes, often segregate properly to the spindle poles. These can persist into the embryos derived from twineHB5 females, where they appear to participate in mitotic divisions on thin spindles. In addition, these embryos contain a small number of large chromatin masses that are not associated with spindles.

  • © 1993 by Company of Biologists

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Journal Articles
The cdc25 homologue twine is required for only some aspects of the entry into meiosis in Drosophila
H. White-Cooper, L. Alphey, D.M. Glover
Journal of Cell Science 1993 106: 1035-1044;
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Journal Articles
The cdc25 homologue twine is required for only some aspects of the entry into meiosis in Drosophila
H. White-Cooper, L. Alphey, D.M. Glover
Journal of Cell Science 1993 106: 1035-1044;

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