NIH R01 · 2024
Dissecting mRNA-ribosome interaction in AU-rich transcriptome of Plasmodium falciparum
Abstract Genome sequencing of P. falciparum, the causative agent of malaria, has laid the foundation for significant biological advances by exposing surprising genomic information. The P. falciparum genome is extremely AT- rich (~80%) and comprised of a large number of genes encoding polyadenosine (polyA) tracks. In most eukaryotes, including humans, polyA tracks act as negative regulators of gene expression. Our recent studies have shown that the translation of mRNAs containing polyA track motifs results in ribosomal stalling and frameshifting in the majority of eukaryotic and bacterial organisms. In contrast to most organisms, P. falciparum can efficiently and accurately translate polyA…
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