Kinetoplastid PPEF phosphatases: Dual acylated proteins expressed in the endomembrane system of Leishmania
2007

Study of PPEF Phosphatases in Leishmania and Trypanosoma

publication Evidence: moderate

Author Information

Author(s): Mills Elena, Price Helen P., Johner Andrea, Emerson Jenny E., Smith Deborah F.

Primary Institution: Wellcome Trust Laboratories for Molecular Parasitology, Imperial College London

Hypothesis

The study investigates the role of PPEF-like phosphatases in the endomembrane system of Leishmania and Trypanosoma species.

Conclusion

The study identifies and characterizes PPEF-like phosphatases that are essential for the viability of kinetoplastid parasites.

Supporting Evidence

  • Bioinformatic analyses predicted ∼60 putative N-myristoylated proteins in Leishmania and Trypanosoma.
  • PPEF-like phosphatases are encoded by single-copy genes and are expressed in all life cycle stages of the parasites.
  • LmPPEF and TbPPEF can be acylated in vivo, indicating their functional roles in the parasites.

Takeaway

Scientists studied proteins in certain parasites that help them survive and grow. They found that these proteins are important for how the parasites work inside their cells.

Methodology

The study used bioinformatic analyses, PCR amplification, and immunofluorescence to identify and characterize PPEF-like genes and proteins.

Limitations

The study does not provide functional analysis of the identified proteins in vivo.

Digital Object Identifier (DOI)

10.1016/j.molbiopara.2006.11.008

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