Characterization of human mitochondrial RNase P: novel aspects in tRNA processing

W Rossmanith, RM Karwan - Biochemical and biophysical research …, 1998 - Elsevier
Human mitochondrial RNase P does not distinguish itself from other RNase P enzymes by
most of its basic properties. 5′ phosphates on tRNA products, strict dependence on a …

Characterization of an RNase P activity from HeLa cell mitochondria. Comparison with the cytosol RNase P activity.

CJ Doersen, C Guerrier-Takada, S Altman… - Journal of Biological …, 1985 - ASBMB
A ribonuclease P-like activity was partially purified from HeLa cell mitochondria by DEAE-
cellulose and octyl-Sepharose chromatography. RNase P-like activity can be quantitatively …

[HTML][HTML] RNase P without RNA: identification and functional reconstitution of the human mitochondrial tRNA processing enzyme

J Holzmann, P Frank, E Löffler, KL Bennett, C Gerner… - Cell, 2008 - cell.com
Summary tRNAs are synthesized as immature precursors, and on their way to functional
maturity, extra nucleotides at their 5′ ends are removed by an endonuclease called RNase …

[HTML][HTML] Of P and Z: mitochondrial tRNA processing enzymes

W Rossmanith - Biochimica et Biophysica Acta (BBA)-Gene Regulatory …, 2012 - Elsevier
Mitochondrial tRNAs are generally synthesized as part of polycistronic transcripts. Release
of tRNAs from these precursors is thus not only required to produce functional adaptors for …

Characterization of yeast mitochondrial RNase P: an intact RNA subunit is not essential for activity in vitro

MJ Morales, CA Wise, MJ Hollingsworth… - Nucleic acids …, 1989 - academic.oup.com
We have previously described a mitochondrial activity that removes 5′ leaders from yeast
mitochondrial precursor tRNAs and suggested that it is a mitochondrial RNase P. Here we …

The RNase P associated with HeLa cell mitochondria contains an essential RNA component identical in sequence to that of the nuclear RNase P

RS Puranam, G Attardi - Molecular and cellular biology, 2001 - Am Soc Microbiol
The mitochondrion-associated RNase P activity (mtRNase P) was extensively purified from
HeLa cells and shown to reside in particles with a sedimentation constant (∼ 17S) very …

Difference between mitochondrial RNase P and nuclear RNase P

W Rossmanith, T Potuschak - Molecular and Cellular Biology, 2001 - Taylor & Francis
We previously demonstrated that mammalian cells contain at least two distinct RNase P
activities, one nuclear and one mitochondrial (5, 7). These enzymes were shown to have …

A protein-only RNase P in human mitochondria

SC Walker, DR Engelke - Cell, 2008 - cell.com
In bacteria, archaea, and the eukaryote nucleus, the endonuclease ribonuclease P (RNase
P) is composed of a catalytic RNA that is assisted by protein subunits. Holzmann et al.(2008) …

A subcomplex of human mitochondrial RNase P is a bifunctional methyltransferase—extensive moonlighting in mitochondrial tRNA biogenesis

E Vilardo, C Nachbagauer, A Buzet… - Nucleic acids …, 2012 - academic.oup.com
Transfer RNAs (tRNAs) reach their mature functional form through several steps of
processing and modification. Some nucleotide modifications affect the proper folding of …

A 105-kDa protein is required for yeast mitochondrial RNase P activity.

MJ Morales, YL Dang, YC Lou… - Proceedings of the …, 1992 - National Acad Sciences
RNase P from the mitochondria of Saccharomyces cerevisiae was purified to near
homogeneity> 1800-fold with a yield of 1.6% from mitochondrial extracts. The most …