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Plasmodium molecular tools

Plasmodium molecular tools are a set of methods for the genetic manipulation of the parasite genus Plasmodium. Plasmodium species have been difficult to scientifically study, partially due to the inability of many standard biological techniques to genetically alter the organism. Recent research has sought to overcome these technical barriers in order to make the parasite more amenable to study. Below is a description of published methods of genetic control within the Plasmodium parasite.

Transformation

  • Electroporation
  • loaded RBCs

DNA level

Transcription regulation

  • Tet-based transactivator system - ligand-inducible control of gene transcription based upon the Tet system (P. falciparum){{cite journal | doi-access = free

Integration systems

  • Rep20 mediated
  • Bxb1 integrase - site-specific stable genetic integration into chromosomes mediated by mycobacteriophage Bxb1 integrase (P. falciparum)

Recombination systems

  • Flp/FRT - induced site-specific recombination/mutagenesis using the yeast Flp/FRT system (P. berghei){{cite journal

Transposon systems

  • piggyBac - lepidopteran transposable element for random, efficient integration of DNA into genome (P. falciparum){{cite journal | doi-access = free

RNA level

  • RNAi
  • antisense
  • self-cleaving ribozyme - A failed attempt to use an inducible self-cleaving ribozyme to control mRNA degradation of fused transcripts (P. falciparum){{cite journal

Protein level

  • FKBP destabilization domain - ligand (Shld1)-regulatable domain to promote degradation of fusion protein (P. falciparum){{cite journal
  • DHFR destabilization domain - ligand (Trimethoprim)-regulatable domain to promote degradation of fusion protein P. falciparum. By virtue of protein being tagged to a DHFR degradation domain from E. coli, as well as GFP and an HA-tag, protein levels can be regulated, cellular localization of the protein can be determined, and the protein can be purified from cultured parasites.{{cite journal | doi-access = free

References

References

  1. (2006). "Efficient site-specific integration in ''Plasmodium falciparum'' chromosomes mediated by mycobacteriophage Bxb1 integrase". [[Nature Methods]].
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