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| http://purl.uniprot.org/citations/18713869 | http://www.w3.org/2000/01/rdf-schema#comment | "Ribonuclease P (RNase P) is an essential endonuclease responsible for the 5'-end maturation of precursor tRNAs. Bacterial RNase P also processes precursor 4.5S RNA, tmRNA, 30S preribosomal RNA, and several reported protein-coding RNAs. Eukaryotic nuclear RNase P is far more complex than in the bacterial form, employing multiple essential protein subunits in addition to the catalytic RNA subunit. RNomic studies have shown that RNase P binds other RNAs in addition to tRNAs, but no non-tRNA substrates have previously been identified. Additional substrates were identified by using a multipronged approach in the budding yeast Saccharomyces cerevisiae. First, RNase P-dependant changes in RNA abundance were examined on whole-genome microarrays by using strains containing temperature sensitive (TS) mutations in two of the essential RNase P subunits, Pop1p and Rpr1r. Second, RNase P was rapidly affinity-purified, and copurified RNAs were identified by using a genome-wide microarray. Third, to identify RNAs that do not change abundance when RNase P is depleted but accumulate as larger precursors, >80 potential small RNA substrates were probed directly by Northern blot analysis with RNA from the RNase P TS mutants. Numerous potential substrates were identified, of which we characterized the box C/D intron-encoded small nucleolar RNAs (snoRNAs), because these both copurify with RNase P and accumulate larger forms in the RNase P temperature-sensitive mutants. It was previously known that two pathways existed for excising these snoRNAs, one using the pre-mRNA splicing path and the other that was independent of splicing. RNase P appears to participate in the splicing-independent path for the box C/D intron-encoded snoRNAs."xsd:string |
| http://purl.uniprot.org/citations/18713869 | http://purl.org/dc/terms/identifier | "doi:10.1073/pnas.0801906105"xsd:string |
| http://purl.uniprot.org/citations/18713869 | http://purl.uniprot.org/core/author | "Pleiss J.A."xsd:string |
| http://purl.uniprot.org/citations/18713869 | http://purl.uniprot.org/core/author | "Whitworth G.B."xsd:string |
| http://purl.uniprot.org/citations/18713869 | http://purl.uniprot.org/core/author | "Engelke D.R."xsd:string |
| http://purl.uniprot.org/citations/18713869 | http://purl.uniprot.org/core/author | "Coughlin D.J."xsd:string |
| http://purl.uniprot.org/citations/18713869 | http://purl.uniprot.org/core/author | "Walker S.C."xsd:string |
| http://purl.uniprot.org/citations/18713869 | http://purl.uniprot.org/core/date | "2008"xsd:gYear |
| http://purl.uniprot.org/citations/18713869 | http://purl.uniprot.org/core/name | "Proc Natl Acad Sci U S A"xsd:string |
| http://purl.uniprot.org/citations/18713869 | http://purl.uniprot.org/core/pages | "12218-12223"xsd:string |
| http://purl.uniprot.org/citations/18713869 | http://purl.uniprot.org/core/title | "Genome-wide search for yeast RNase P substrates reveals role in maturation of intron-encoded box C/D small nucleolar RNAs."xsd:string |
| http://purl.uniprot.org/citations/18713869 | http://purl.uniprot.org/core/volume | "105"xsd:string |
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