ArticleMolecular biology reports2012
In vivo analysis of translation initiation sites in Plasmodium falciparum.
Article in Molecular biology reports, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 10 citations in OpenAlex.
- tRNA regulation and amino acid usage bias reflect a coordinated metabolic adaptation iniScience · 2024Article
- Heterologous expression inFEBS open bio · 2018Article
- An ultrasensitive NanoLuc-based luminescence system for monitoring Plasmodium berghei throughout its life cycle.Malaria journal · 2016Article
- Translational regulation during stage transitions in malaria parasites.Annals of the New York Academy of Sciences · 2015Review
- Enlightening the malaria parasite life cycle: bioluminescent Plasmodium in fundamental and applied research.Frontiers in microbiology · 2015Review
- Malaria evolution in South Asia: knowledge for control and elimination.Acta tropica · 2012Review
Corrections and comments
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Authors and funding
5 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Regulation of gene expression in the malaria parasite Plasmodium falciparum is tightly controlled and little is known about the many steps involved. One step i.e. translation initiation is also poorly understood and in P. falciparum, choice of the translation initiation site (TIS) is a critical decision largely due to the high frequency of AUGs in the relatively long 5' untranslated regions of parasite mRNAs. The sequences surrounding the TIS have a major role to play in translation initiation and this report evaluates these sequences by mutational analysis of the heat shock protein 86 gene, transient transfection and reporter assays in the parasite. We find that purines at the -3 and +4 positions are essential for efficient translation in P. falciparum, similar to other eukaryotes. Interestingly, a U at the -1 position results in 2.5-fold higher reporter activity compared to wild type. Certain classes of protein biosynthetic genes show higher frequencies of U at the -1 position, suggesting that these genes may exhibit higher levels of translation. This work defines the optimal sequences for TIS choice and has implications for the design of efficient expression vectors in an important human pathogen.
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Registered trials
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