Mediator Subunit 12 Is Required for Neutrophil Development in Zebrafish
2011

Med12 is Required for Neutrophil Development in Zebrafish

Sample size: 2785 publication Evidence: moderate

Author Information

Author(s): Maria-Cristina Keightley, Judith E. Layton, John W. Hayman, Joan K. Heath, Graham J. Lieschke

Primary Institution: Australian Regenerative Medicine Institute, Monash University

Hypothesis

Med12 is a critical component for myelopoiesis in zebrafish.

Conclusion

The study identifies a mutation in Med12 that leads to defects in myeloid lineage development in zebrafish.

Supporting Evidence

  • A missense mutation in Med12 was identified that affects myelopoiesis.
  • Knockdown of Med12 mRNA in wild-type embryos mimicked the mutant phenotype.
  • Overexpression of Med12 mRNA rescued the hematopoietic defects in the mutant.

Takeaway

This study found that a specific gene called Med12 is important for making certain blood cells in zebrafish, and a mutation in this gene can cause problems.

Methodology

A forward genetic screen was conducted in zebrafish to identify mutants defective in myeloid cell development.

Limitations

The syr mutant is embryonic lethal, limiting the ability to study later stages of hematopoiesis.

Digital Object Identifier (DOI)

10.1371/journal.pone.0023845

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