ArticleRNA (New York, N.Y.)2009
Kinetoplastid guide RNA biogenesis is dependent on subunits of the mitochondrial RNA binding complex 1 and mitochondrial RNA polymerase.
Article in RNA (New York, N.Y.), 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 73 papers.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
73 citing papers in PubMed, 87 citations in OpenAlex.
- The kinetoplastid-specific transcription factor mtTF1 is essential for mitochondrial gene expression and maxicircle replication in Trypanosoma brucei.PLoS biology · 2026Article
- KREH2 helicase represses ND7 mRNA editing in procyclic-stage Trypanosoma brucei by opposite modulation of canonical and 'moonlighting' gRNA utilization creating a proposed mRNA structure.Nucleic acids research · 2024Article
- RESC14 and RESC8 cooperate to mediate RESC function and dynamics during trypanosome RNA editing.Nucleic acids research · 2024Article
- Prioritization of Trypanosoma brucei editosome protein interactions interfaces at residue resolution through proteome-scale network analysis.BMC molecular and cell biology · 2024Article
- 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
- Trypanosome RNA helicase KREH2 differentially controls non-canonical editing and putative repressive structure via a novel proposed 'bifunctional' gRNA in mRNA A6.Nucleic acids research · 2023Article
- Structural basis of gRNA stabilization and mRNA recognition in trypanosomal RNA editing.Science (New York, N.Y.) · 2023Article
- KREH1 RNA helicase activity promotes utilization of initiator gRNAs across multiple mRNAs in trypanosome RNA editing.Nucleic acids research · 2023Article
- Structural basis for guide RNA selection by the RESC1-RESC2 complex.Nucleic acids research · 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
- Structure of the T. brucei kinetoplastid RNA editing substrate-binding complex core component, RESC5.PloS one · 2023Article
- Mitochondrial RNA quality control in trypanosomes.Wiley interdisciplinary reviews. RNA · 2021Review
- Trypanosome RNAEditing Substrate Binding Complex integrity and function depends on the upstream action of RESC10.Nucleic acids research · 2021Article
- Structural basis for guide RNA trimming by RNase D ribonuclease in Trypanosoma brucei.Nucleic acids research · 2021Article
- CTS tag-based methods for investigating mitochondrial RNA modification factors in Trypanosoma brucei.Methods in enzymology · 2021Article
- Site-specific and substrate-specific control of accurate mRNA editing by a helicase complex in trypanosomes.RNA (New York, N.Y.) · 2020Article
- Poly(A) binding KPAF4/5 complex stabilizes kinetoplast mRNAs in Trypanosoma brucei.Nucleic acids research · 2020Article
- Sulfonated inhibitors of the RNA editing ligases validate the essential role of the MRP1/2 proteins in kinetoplastid RNA editing.RNA (New York, N.Y.) · 2020Article
- Lexis and Grammar of Mitochondrial RNA Processing in Trypanosomes.Trends in parasitology · 2020Review
- Structures of MERS1, the 5' processing enzyme of mitochondrial mRNAs inRNA (New York, N.Y.) · 2020Article
13 more citing papers are in PubMed but not listed here.
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
5 authors at 2 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The mitochondrial RNA binding complex 1 (MRB1) is a recently discovered complex of proteins associated with the TbRGG1 and TbRGG2 proteins in Trypanosoma brucei. Based on the phenotype caused by down-regulation of these two proteins, it was proposed to play an unspecified role in RNA editing. RNAi silencing of three newly characterized protein subunits, guide RNA associated proteins (GAPs) 1 and 2 as well as a predicted DExD/H-box RNA helicase, show they are essential for cell growth in the procyclic stage. Furthermore, their down-regulation leads to inhibition of editing in only those mRNAs for which minicircle-encoded guide (g) RNAs are required. However, editing remains unaffected when the maxicircle-encoded cis-acting gRNA is employed. Interestingly, all three proteins are necessary for the expression of the minicircle-encoded gRNAs. Moreover, down-regulation of a fourth assayed putative MRB1 subunit, Nudix hydrolase, does not appear to destabilize gRNAs, and down-regulation of this protein has a general impact on the stability of maxicircle-encoded RNAs. GAP1 and 2 are also essential for the survival of the bloodstream stage, in which the gRNAs become eliminated upon depletion of either protein. Immunolocalization revealed that GAP1 and 2 are concentrated into discrete spots along the mitochondrion, usually localized in the proximity of the kinetoplast. Finally, we demonstrate that the same mtRNA polymerase known to transcribe the maxicircle mRNAs may also have a role in expression of the minicircle-encoded gRNAs.
Indexed as
Identifiers
What OpenQuestion holds
Registered trials
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.