Med12 is Needed for Proper Hindbrain Development in Zebrafish
Author Information
Author(s): Hong Sung-Kook, Dawid Igor B.
Primary Institution: Eunice Kennedy Shriver National Institute of Child and Human Development, National Institutes of Health
Hypothesis
The Med12 component of the transcriptional mediator complex is required for hindbrain boundary formation in zebrafish.
Conclusion
The kto/med12 mutation results in specific defects of boundary cell formation in the zebrafish hindbrain.
Supporting Evidence
- The kto/med12 mutant zebrafish show specific loss of rhombomere boundary cells.
- Cell proliferation is significantly reduced in the hindbrain of kto mutant zebrafish.
- No increase in cell death was observed in the mutant embryos.
Takeaway
Zebrafish with a mutation in the Med12 gene have trouble forming important boundaries in their brains, which affects their development.
Methodology
The study involved analyzing zebrafish embryos with the kto/med12 mutation and comparing them to wild type embryos using in situ hybridization and immunostaining techniques.
Limitations
The study did not examine the state of boundaries in other tissues in kto mutant zebrafish.
Statistical Information
P-Value
p=0.000706
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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