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© Institut Pasteur
Cells infected for 24 hrs with C. Trachomatis. The cell nuclei are labelled in blue, the bacteria appear yellow, within the inclusion lumen. A bacterial protein secreted out the inclusion into the host cytoplasm id labelled in red.
Publication : MicrobiologyOpen

Oligomeric protein interference validates druggability of aspartate interconversion in Plasmodium falciparum.

Scientific Fields
Diseases
Organisms
Applications
Technique

Published in MicrobiologyOpen - 28 Feb 2019

Batista FA, Bosch SS, Butzloff S, Lunev S, Meissner KA, Linzke M, Romero AR, Wang C, Müller IB, Dömling ASS, Groves MR, Wrenger C,

Link to Pubmed [PMID] – 30821109

Link to DOI – 10.1002/mbo3.779

Microbiologyopen 2019 Feb; (): e779

The appearance of multi-drug resistant strains of malaria poses a major challenge to human health and validated drug targets are urgently required. To define a protein’s function in vivo and thereby validate it as a drug target, highly specific tools are required that modify protein function with minimal cross-reactivity. While modern genetic approaches often offer the desired level of target specificity, applying these techniques is frequently challenging-particularly in the most dangerous malaria parasite, Plasmodium falciparum. Our hypothesis is that such challenges can be addressed by incorporating mutant proteins within oligomeric protein complexes of the target organism in vivo. In this manuscript, we provide data to support our hypothesis by demonstrating that recombinant expression of mutant proteins within P. falciparum leverages the native protein oligomeric state to influence protein function in vivo, thereby providing a rapid validation of potential drug targets. Our data show that interference with aspartate metabolism in vivo leads to a significant hindrance in parasite survival and strongly suggest that enzymes integral to aspartate metabolism are promising targets for the discovery of novel antimalarials.

https://pubmed.ncbi.nlm.nih.gov/30821109