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Reference Report
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| Citation | Mogila, V., Xia, F., Li, W.X. (2006). An intrinsic cell cycle checkpoint pathway mediated by MEK and ERK in Drosophila. Dev. Cell 11(4): 575--582. (Export to RIS) | ||
| FlyBase ID | FBrf0194646 | ||
| Publication Type | Research paper | ||
| PubMed ID | 17011495 | ||
| PubMed Abstract | Cell cycle checkpoints are surveillance mechanisms that safeguard genome integrity. While the extrinsic pathways that halt the cell cycle in response to DNA damages have been well documented, the intrinsic pathways that ensure orderly progression of cell cycle events are not well understood. We demonstrate that Drosophila MEK and ERK constitute an essential intrinsic checkpoint pathway that restrains cell cycle progression in the absence of DNA damage and also responds to ionizing radiation to arrest the cell cycle. Embryos lacking MEK exhibit faster and extra division cycles and fail to undergo timely midblastula transition (MBT) or arrest following ionizing radiation. Conversely, constitutively activated MEK causes cell cycle arrest. Further, MEK activation in the early embryo is cell cycle-dependent and Raf independent and increases in response to ionizing radiation or in the absence of Chk1. Thus, MEK/ERK activation is required for multiple checkpoints and is essential for orderly cell cycle progression. | ||
| DOI | 10.1016/j.devcel.2006.08.010 | ||
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| Language of Publication | English | ||
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| Publication Type | Journal | ||
| Abbreviation | Dev. Cell | ||
| Title | Developmental Cell | ||
| Publication Year | 2001- | ||
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Data from Reference
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| Genes (7)
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