Differential Trypanosome Surface Coat Regulation by a CCCH Protein That Co-Associates with procyclin mRNA cis-Elements
2009

Regulation of Trypanosome Surface Proteins by TbZFP3

publication Evidence: moderate

Author Information

Author(s): Walrad Pegine, Paterou Athina, Acosta-Serrano Alvaro, Matthews Keith R.

Primary Institution: University of Edinburgh

Hypothesis

Is TbZFP3 a specific regulator of procyclin surface coat expression in trypanosomes?

Conclusion

TbZFP3 is identified as a key regulator that influences the expression of specific procyclin isoforms in trypanosomes without altering their mRNA abundance.

Supporting Evidence

  • TbZFP3 shows sequence-specific co-precipitation of certain procyclin mRNA isoforms.
  • Ectopic overexpression of TbZFP3 alters the surface protein expression profile in trypanosomes.
  • The study identifies TbZFP3 as the first post-transcriptional regulator of Procyclin expression.

Takeaway

This study found that a protein called TbZFP3 helps control which surface proteins are made by a parasite called Trypanosoma brucei, which causes African sleeping sickness.

Methodology

The study used immunoprecipitation and quantitative real-time PCR to analyze the interaction between TbZFP3 and procyclin mRNAs.

Limitations

The study does not clarify whether the interaction between TbZFP3 and mRNAs is direct or mediated by other factors.

Digital Object Identifier (DOI)

10.1371/journal.ppat.1000317

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