Nlz1/Znf703 as a Repressor of Transcription
Author Information
Author(s): Nakamura Mako, Choe Seong-Kyu, Runko Alexander P, Gardner Paul D, Sagerström Charles G
Primary Institution: University of Massachusetts Medical School
Hypothesis
Nlz proteins act as repressors of transcription during embryogenesis.
Conclusion
Nlz1/Znf703 acts as a repressor of transcription and is required for proper hindbrain development in zebrafish.
Supporting Evidence
- Nlz1 represses transcription in various cell lines and zebrafish embryos.
- Nlz1-mediated repression requires histone deacetylase activity.
- Nlz proteins are necessary for the formation of hindbrain rhombomere 4.
- Loss of Nlz function leads to expansion of non-rhombomere 4 gene expression.
Takeaway
Nlz1 helps control which genes are turned off during the early development of zebrafish, which is important for forming their brains.
Methodology
The study used cell culture-based reporter assays and transgenic zebrafish to assess the role of Nlz1 in transcriptional repression.
Limitations
The study does not explore the potential for Nlz proteins to act as activators in different contexts.
Statistical Information
P-Value
p<0.0005
Statistical Significance
p<0.0005
Digital Object Identifier (DOI)
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