ArticleArchaea (Vancouver, B.C.)2004
In vitro selection of an archaeal RNase P RNA mimics natural variation.
Article in Archaea (Vancouver, B.C.), 2004. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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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.
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Who cites it
1 citing paper in PubMed, 4 citations in OpenAlex.
- Minor changes largely restore catalytic activity of archaeal RNase P RNA from Methanothermobacter thermoautotrophicus.Nucleic acids research · 2009Article
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
Abstract
Archaeal and bacterial RNase P RNAs are similar in sequence and secondary structure, but in the absence of protein, the archaeal RNAs are much less active and require extreme ionic conditions for activity. To assess how readily the activity of the archaeal RNA alone could be improved by small changes in sequence, in vitro selection was used to generate variants of a Methanobacterium formicicum RNase P RNA: Bacillus subtilus pre-tRNA(Asp) self-cleaving conjugate RNA. Functional variants were generated with a spectrum of mutations that were predominately consistent with natural variation in this RNA. Variants generated from the selection had cleavage rates comparable to that of wild type; variants with improved cleavage rates or lower ionic requirements were not obtained. This suggests that the RNase P RNAs of Bacteria and Archaea are globally optimized and the basis for the large biochemical differences between these two types of RNase P RNA is distributed in the molecule.
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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.