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Analysis of mitochondrial RNA-processing defects in patient-derived tissues by qRT-PCR and RNAseq.
Methods Mol. Biol. 1567, 379-390 (2017)
Transcription of the mitochondrial genome yields three large polycistronic transcripts that undergo multiple endonucleolytic processing steps, before resulting in functional mRNAs, tRNAs, and rRNAs. Cleavage of the large precursor transcripts is mainly performed by the RNase P complex and RNase Z that cleave mitochondrial pre-tRNAs at their 5′ and 3′ ends respectively. Most likely there are additional enzymes involved that still await identification and characterization. Defects in mitochondrial RNA processing have been associated with human disease. There are published cases of patients carrying mutations in either HSD17B10/MRPP2 (encoding a subunit of RNase P complex) or ELAC2 (coding for RNase Z). In addition, several mtDNA mutations within tRNA genes have been shown to affect RNA processing. Here, we describe detailed protocols for analyzing RNA processing of mitochondrial tRNAs, in particular their 3′-ends that are processed by RNase Z. These protocols should serve as a guide to extract RNA for quantitative real-time PCR and RNAseq analysis.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Elac2 ; Mitochondrial Rna Processing ; Mrpp2 ; Mtdna ; Qrt-pcr ; Rnase P ; Rnase Z ; Rnaseq
ISSN (print) / ISBN 1064-3745
e-ISSN 1940-6029
Konferenztitel Mitochondria
Zeitschrift Methods in Molecular Biology
Quellenangaben Band: 1567, Heft: , Seiten: 379-390 Artikelnummer: , Supplement: ,
Verlag Springer
Verlagsort Berlin [u.a.]
Begutachtungsstatus peer-reviewed