|Citation||Cao, C., Liu, Y., Lehmann, M. (2007). Fork head controls the timing and tissue selectivity of steroid-induced developmental cell death. J. Cell Biol. 176(6): 843--852. (Export to RIS)|
|Publication Type||Research paper|
|PubMed Abstract||Cell death during Drosophila melanogaster metamorphosis is controlled by the steroid hormone 20-hydroxyecdysone (20E). Elements of the signaling pathway that triggers death are known, but it is not known why some tissues, and not others, die in response to a particular hormone pulse. We found that loss of the tissue-specific transcription factor Fork head (Fkh) is both required and sufficient to specify a death response to 20E in the larval salivary glands. Loss of fkh itself is a steroid-controlled event that is mediated by the 20E-induced BR-C gene, and that renders the key death regulators hid and reaper hormone responsive. These results implicate the D. melanogaster FOXA orthologue Fkh with a novel function as a competence factor for steroid-controlled cell death. They explain how a specific tissue is singled out for death, and why this tissue survives earlier hormone pulses. More generally, they suggest that cell identity factors like Fkh play a pivotal role in the normal control of developmental cell death.|
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|Language of Publication||English|
|Additional Languages of Abstract|
|Also Published As|
|Abbreviation||J. Cell Biol.|
|Title||Journal of Cell Biology|
|Data from Reference|
|Natural transposons (1)|