|Citation||Liu, J., Ma, J. (2011). Fates-shifted is an F-box protein that targets Bicoid for degradation and regulates developmental fate determination in Drosophila embryos. Nat. Cell Biol. 13(1): 22--29. (Export to RIS)|
|Publication Type||Research paper|
|PubMed Abstract||Bicoid (Bcd) is a morphogenetic protein that instructs patterning along the anterior-posterior (A-P) axis in Drosophila melanogaster embryos. Despite extensive studies, what controls the formation of a normal concentration gradient of Bcd remains an unresolved and controversial question. Here, we show that Bcd protein degradation is mediated by the ubiquitin-proteasome pathway. We have identified an F-box protein, encoded by fates-shifted (fsd), that has an important role in Bcd protein degradation by targeting it for ubiquitylation. Embryos from females lacking fsd have an altered Bcd gradient profile, resulting in a shift of the fatemap along the A-P axis. Our study is an experimental demonstration that, contrary to an alternative hypothesis, Bcd protein degradation is required for normal gradient formation and developmental fate determination.|
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|Language of Publication||English|
|Additional Languages of Abstract|
|Also Published As|
|Abbreviation||Nat. Cell Biol.|
|Title||Nature Cell Biology|
|Data from Reference|