Expression of cell-cycle regulators during Xenopus oogenesis
Gene Expression Patterns Volume 3 Issue 2
Page 165-168
published_at 2003-05
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| File | |
| Title ( eng ) |
Expression of cell-cycle regulators during Xenopus oogenesis
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| Creator |
Kawasaki Ayako
Sagata Noriyuki
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| Source Title |
Gene Expression Patterns
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| Volume | 3 |
| Issue | 2 |
| Start Page | 165 |
| End Page | 168 |
| Abstract |
In full-grown Xenopus oocytes, cell-cycle regulators and an inactive form of maturation/M phase promoting factor (pre-MPF) are stored ready to bring about a specific cell cycle for oocyte maturation. We examined the expression pattern of these cell-cycle regulators as well as pre-MPF formation during oogenesis. Cdc2 and Cyclin B2 were already present in stage I oocytes and pre-MPF formation was also detected in stage I oocytes. Some negative regulators of MPF, Myt1 and Chk1, were synthesized early in oogenesis. In contrast, positive regulators of MPF, MEK, MAPK and Cdc25C, were mainly synthesized late in oogenesis. Northern blotting analysis suggested that the synthesis of these cell-cycle regulators was controlled by translation.
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| Keywords |
Xenopus
oogenesis
cell-cycle regulator
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| Language |
eng
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| Resource Type | journal article |
| Publisher |
Elsevier Science B.V.
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| Date of Issued | 2003-05 |
| Rights |
Copyright (c) 2003 Elsevier Science B.V.
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| Publish Type | Author’s Original |
| Access Rights | open access |
| Source Identifier |
[NCID] AA11800332
[ISSN] 1567-133X
[DOI] 10.1016/S1567-133X(03)00037-1
[DOI] http://dx.doi.org/10.1016/S1567-133X(03)00037-1
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