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Mitochondrial mRNA editing in trypanosomatid parasites involves several multiprotein assemblies, including three very similar complexes that contain the key enzymatic editing activities and sediment at ~20S on glycerol gradients. These ~20S editosomes have a common set of 12 proteins, including enzymes for uridylyl (U) removal and addition, 2 RNA ligases, 2(More)
The ability to ectopically control gene expression is a fundamental tool for the study of bacterial physiology and pathogenesis. While many efficient inducible expression systems are available for Gram-negative bacteria, few are useful in phylogenetically distant organisms, such as mycobacteria. We have adapted a highly-inducible regulon of Rhodococcus(More)
The transcriptome of kinetoplastid mitochondria undergoes extensive RNA editing that inserts and deletes uridine residues (U's) to produce mature mRNAs. The editosome is a multiprotein complex that provides endonuclease, TUTase, exonuclease, and ligase activities required for RNA editing. The editosome's KREPB4 and KREPB5 proteins are essential for(More)
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