ArticleMolecular and cellular biology2008
The KREPA3 zinc finger motifs and OB-fold domain are essential for RNA editing and survival of Trypanosoma brucei.
Article in Molecular and cellular biology, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers.
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Who cites it
29 citing papers in PubMed, 33 citations in OpenAlex.
- RNA editing catalytic complexes edit multiple mRNA sites non-processively in Trypanosoma brucei.Molecular and biochemical parasitology · 2023Article
- Multiple domains of the integral KREPA3 protein are critical for the structure and precise functions of RNA editing catalytic complexes inRNA (New York, N.Y.) · 2023Article
- Multiple domains of the integral KREPA3 protein are critical for the structure and precise functions of RNA Editing Catalytic Complexes inbioRxiv : the preprint server for biology · 2023Article
- KRGG1 function in RNA editing inRNA (New York, N.Y.) · 2023Article
- The discovery and characterization of two novel structural motifs on the carboxy-terminal domain of kinetoplastid RNA editing ligases.RNA (New York, N.Y.) · 2023Article
- Editosome RNase III domain interactions are essential for editing and differ between life cycle stages inRNA (New York, N.Y.) · 2019Article
- The OB-fold proteins of the Trypanosoma brucei editosome execute RNA-chaperone activity.Nucleic acids research · 2018Article
- The essential functions of KREPB4 are developmentally distinct and required for endonuclease association with editosomes.RNA (New York, N.Y.) · 2017Article
- The Architecture of Trypanosoma brucei editosomes.Proceedings of the National Academy of Sciences of the United States of America · 2016Article
- U-Insertion/Deletion mRNA-Editing Holoenzyme: Definition in Sight.Trends in parasitology · 2016Review
- Identification by Random Mutagenesis of Functional Domains in KREPB5 That Differentially Affect RNA Editing between Life Cycle Stages of Trypanosoma brucei.Molecular and cellular biology · 2015Article
- Differential Editosome Protein Function between Life Cycle Stages of Trypanosoma brucei.The Journal of biological chemistry · 2015Article
- Inhibitors of RNA editing as potential chemotherapeutics against trypanosomatid pathogens.International journal for parasitology. Drugs and drug resistance · 2012Review
- Explorations of linked editosome domains leading to the discovery of motifs defining conserved pockets in editosome OB-folds.Journal of structural biology · 2012Article
- Mutational analysis of Trypanosoma brucei editosome proteins KREPB4 and KREPB5 reveals domains critical for function.RNA (New York, N.Y.) · 2012Article
- Editosome accessory factors KREPB9 and KREPB10 in Trypanosoma brucei.Eukaryotic cell · 2012Article
- Crystal structure of a heterodimer of editosome interaction proteins in complex with two copies of a cross-reacting nanobody.Nucleic acids research · 2012Article
- KREPB6, KREPB7, and KREPB8 are important for editing endonuclease function in Trypanosoma brucei.RNA (New York, N.Y.) · 2012Article
- The oligonucleotide binding (OB)-fold domain of KREPA4 is essential for stable incorporation into editosomes.PloS one · 2012Article
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3 authors at 2 institutions in 1 country.
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Abstract
Three types of editosomes, each with an identical core containing six related KREPA proteins, catalyze the U insertion and deletion RNA editing of mitochondrial mRNAs in trypanosomes. Repression of expression of one of these, KREPA3 (also known as TbMP42), shows that it is essential for growth and in vivo editing in both procyclic (PF) and bloodstream (BF) life cycle stages of Trypanosoma brucei. RNA interference knockdown results in editosome disruption and altered in vitro editing in PFs, while repression by regulatable double knockout results in almost complete loss of editosomes in BFs. Mutational analysis shows that the KREPA3 zinc fingers and OB-fold domain are each essential for growth and in vivo editing. Nevertheless, KREPA3 with mutated zinc fingers incorporates into editosomes that catalyze in vitro editing and thus is not essential for editosome integrity, although stability is affected. In contrast, the OB-fold domain is essential for editosome integrity. Overall, KREPA3, especially its OB-fold, functions in editosome integrity, and its zinc fingers are essential for editing in vivo but not for the central catalytic steps. KREPA3 may function in editosome organization and/or RNA positioning.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.