ArticleBiochemical and biophysical research communications2009
Sqd interacts with the Drosophila retinoblastoma tumor suppressor Rbf.
Article in Biochemical and biophysical research communications, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
3 citing papers in PubMed, 3 citations in OpenAlex.
- Cryptochrome interaction networks across different tissues in Drosophila melanogaster.Biology direct · 2025Article
- A feedback loop between Wolbachia and the Drosophila gurken mRNP complex influences Wolbachia titer.Journal of cell science · 2011Article
- The RB/E2F pathway and regulation of RNA processing.Biochemical and biophysical research communications · 2009Review
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
Abstract
The retinoblastoma tumor suppressor (RB) serves as a scaffold to coordinate binding of numerous proteins, including E2F and histone deacetylases, through its C-terminal domain. The amino-terminal half of RB has few known binding partners and its function is not well understood. We used the amino-terminal domain of the Drosophila retinoblastoma tumor suppressor Rbf (RbfN) to identify novel binding partners by immunoprecipitation coupled with mass spectrometry. Our experiment revealed that the RNA-binding protein Squid (Sqd) is a putative interacting partner of RbfN. Western blot confirmed that Sqd interacts with the amino-terminal domain of Rbf. We observed that Sqd colocalizes with RbfN in Drosophila salivary gland cells. We also show that double RNAi knockdown of Rbf and Sqd in the eye results in an extensive loss of eye bristles, suggesting that Rbf and Sqd function in a common pathway. We conclude from our studies that Rbf physically and genetically interacts with Sqd. We propose that the retinoblastoma tumor suppressor may play a novel role in RNA processing through interaction with RNA-binding proteins.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.