How a Gene Controls Malaria Infection in Pregnant Women
Author Information
Author(s): Amulic Borko, Salanti Ali, Lavstsen Thomas, Nielsen Morten A., Deitsch Kirk W.
Primary Institution: Weill Medical College of Cornell University
Hypothesis
Does the upstream open reading frame (uORF) regulate the translation of the var2csa gene in Plasmodium falciparum?
Conclusion
The study reveals that the uORF in the var2csa gene represses its translation, which can be reversed under certain conditions.
Supporting Evidence
- The var2csa gene is linked to severe malaria in pregnant women.
- The uORF is conserved across different Plasmodium falciparum isolates.
- Repression of var2csa translation can be reversed under specific conditions.
- Parasites can be selected to express VAR2CSA when the appropriate receptor is present.
Takeaway
This study found that a special part of a gene helps control how much of a protein is made by malaria parasites, especially when they infect pregnant women.
Methodology
The researchers used cultured parasite lines and reporter gene constructs to analyze the effect of the uORF on var2csa translation.
Limitations
The study primarily focuses on laboratory conditions and may not fully represent in vivo scenarios.
Digital Object Identifier (DOI)
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