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The GAGA factor regulatory network: Identification of GAGA factor associated proteins

Author(s): Lomaev, Dmitry; Mikhailova, Anna; Erokhin, Maksim; Shaposhnikov, Alexander V; Moresco, James J; et al

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Abstract: The Drosophila GAGA factor (GAF) has an extraordinarily diverse set of functions that include the activation and silencing of gene expression, nucleosome organization and remodeling, higher order chromosome architecture and mitosis. One hypothesis that could account for these diverse activities is that GAF is able to interact with partners that have specific and dedicated functions. To test this possibility we used affinity purification coupled with high throughput mass spectrometry to identify GAF associated partners. Consistent with this hypothesis the GAF interacting network includes a large collection of factors and complexes that have been implicated in many different aspects of gene activity, chromosome structure and function. Moreover, we show that GAF interactions with a small subset of partners is direct; however for many others the interactions could be indirect, and depend upon intermediates that serve to diversify the functional capabilities of the GAF protein.
Publication Date: 15-Mar-2017
Citation: Lomaev, Dmitry, Mikhailova, Anna, Erokhin, Maksim, Shaposhnikov, Alexander V, Moresco, James J, Blokhina, Tatiana, Wolle, Daniel, Aoki, Tsutomu, Ryabykh, Vladimir, Yates, John R, Shidlovskii, Yulii V, Georgiev, Pavel, Schedl, Paul, Chetverina, Darya. (2017). The GAGA factor regulatory network: Identification of GAGA factor associated proteins.. PloS one, 12 (3), e0173602 - e0173602. doi:10.1371/journal.pone.0173602
DOI: doi:10.1371/journal.pone.0173602
ISSN: 1932-6203
EISSN: 1932-6203
Pages: e0173602 - e0173602
Language: eng
Type of Material: Journal Article
Journal/Proceeding Title: PloS One
Version: Final published version. This is an open access article.

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