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Article Dans Une Revue Molecular Microbiology Année : 2021

A toolbox for conditional control of gene expression in apicomplexan parasites

Résumé

Apicomplexan parasites encompass diverse pathogens for humans and animals, including the causative agents of malaria and toxoplasmosis, Plasmodium spp. and Toxoplasma gondii. Genetic manipulation of these parasites has become central to explore parasite biology, unravel gene function and identify new targets for therapeutic strategies. Tremendous progress has been achieved over the past years with the advent of next generation sequencing and powerful genome editing methods. In particular, various methods for conditional gene expression have been developed in both Plasmodium and Toxoplasma to knockout or knockdown essential genes, or for inducible expression of master developmental regulators or mutant versions of proteins. Conditional gene expression can be achieved at three distinct levels. At the DNA level, inducible site-specific recombinases allow conditional genome editing. At the RNA level, regulation can be achieved during transcription, using stage-specific or regulatable promoters, or post-transcriptionally through alteration of mRNA stability or translation. At the protein level, several systems have been developed for inducible degradation or displacement of a protein of interest. In this review, we provide an overview of current systems for conditional control of gene expression in Plasmodium and Toxoplasma parasites, highlighting the advantages and limitations of each approach.
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Dates et versions

hal-03358771 , version 1 (29-09-2021)

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Sylvie Briquet, Mathieu Gissot, Olivier Silvie. A toolbox for conditional control of gene expression in apicomplexan parasites. Molecular Microbiology, In press, ⟨10.1111/mmi.14821⟩. ⟨hal-03358771⟩
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