RNase P-Mediated Sequence-Specific Cleavage of RNA by Engineered External Guide Sequences. 2015

Merel Derksen, and Vicky Mertens, and Ger J M Pruijn
Department of Biomolecular Chemistry, Institute for Molecules and Materials, Radboud University, P.O. Box 9101, Nijmegen NL-6500 HB, The Netherlands. M.Derksen@ncmls.ru.nl.

The RNA cleavage activity of RNase P can be employed to decrease the levels of specific RNAs and to study their function or even to eradicate pathogens. Two different technologies have been developed to use RNase P as a tool for RNA knockdown. In one of these, an external guide sequence, which mimics a tRNA precursor, a well-known natural RNase P substrate, is used to target an RNA molecule for cleavage by endogenous RNase P. Alternatively, a guide sequence can be attached to M1 RNA, the (catalytic) RNase P RNA subunit of Escherichia coli. The guide sequence is specific for an RNA target, which is subsequently cleaved by the bacterial M1 RNA moiety. These approaches are applicable in both bacteria and eukaryotes. In this review, we will discuss the two technologies in which RNase P is used to reduce RNA expression levels.

UI MeSH Term Description Entries
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D012323 RNA Processing, Post-Transcriptional Post-transcriptional biological modification of messenger, transfer, or ribosomal RNAs or their precursors. It includes cleavage, methylation, thiolation, isopentenylation, pseudouridine formation, conformational changes, and association with ribosomal protein. Post-Transcriptional RNA Modification,RNA Processing,Post-Transcriptional RNA Processing,Posttranscriptional RNA Processing,RNA Processing, Post Transcriptional,RNA Processing, Posttranscriptional,Modification, Post-Transcriptional RNA,Modifications, Post-Transcriptional RNA,Post Transcriptional RNA Modification,Post Transcriptional RNA Processing,Post-Transcriptional RNA Modifications,Processing, Posttranscriptional RNA,Processing, RNA,RNA Modification, Post-Transcriptional,RNA Modifications, Post-Transcriptional
D043262 Ribonuclease P An RNA-containing enzyme that plays an essential role in tRNA processing by catalyzing the endonucleolytic cleavage of TRANSFER RNA precursors. It removes the extra 5'-nucleotides from tRNA precursors to generate mature tRNA molecules. Ribonuclease P, RNA Catalytic Subunit,RNA Catalytic Subunit, Ribonuclease P,RNase P
D055785 Gene Knockdown Techniques The artificial induction of GENE SILENCING by the use of RNA INTERFERENCE to reduce the expression of a specific gene. It includes the use of DOUBLE-STRANDED RNA, such as SMALL INTERFERING RNA and RNA containing HAIRPIN LOOP SEQUENCE, and ANTI-SENSE OLIGONUCLEOTIDES. Gene Knock Down Techniques,Gene Knock Down,Gene Knock-Down,Gene Knock-Down Techniques,Gene Knockdown,Gene Knock Downs,Gene Knock-Down Technique,Gene Knock-Downs,Gene Knockdown Technique,Gene Knockdowns,Knock Down, Gene,Knock Downs, Gene,Knock-Down Technique, Gene,Knock-Down Techniques, Gene,Knock-Down, Gene,Knock-Downs, Gene,Knockdown Technique, Gene,Knockdown Techniques, Gene,Knockdown, Gene,Knockdowns, Gene,Technique, Gene Knock-Down,Technique, Gene Knockdown,Techniques, Gene Knock-Down,Techniques, Gene Knockdown
D020868 Gene Silencing Interruption or suppression of the expression of a gene at transcriptional or translational levels. Gene Inactivation,Inactivation, Gene,Silencing, Gene

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