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Mol Cell. 2001 Apr;7(4):753-65.

Bonus, a Drosophila homolog of TIF1 proteins, interacts with nuclear receptors and can inhibit betaFTZ-F1-dependent transcription.

Author information

1
Department of Molecular and Cellular Biology, One Baylor Plaza, Houston, TX 77030, USA.

Abstract

The Drosophila bonus (bon) gene encodes a homolog of the vertebrate TIF1 transcriptional cofactors. bon is required for male viability, molting, and numerous events in metamorphosis including leg elongation, bristle development, and pigmentation. Most of these processes are associated with genes that have been implicated in the ecdysone pathway, a nuclear hormone receptor pathway required throughout Drosophila development. Bon is associated with sites on the polytene chromosomes and can interact with numerous Drosophila nuclear receptor proteins. Bon binds via an LxxLL motif to the AF-2 activation domain present in the ligand binding domain of betaFTZ-F1 and behaves as a transcriptional inhibitor in vivo.

PMID:
11336699
PMCID:
PMC3800173
[Indexed for MEDLINE]
Free PMC Article

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