Mitochondrial transcription and translation: overview

AR D'Souza, M Minczuk - Essays in biochemistry, 2018 - portlandpress.com
Mitochondria are the major source of ATP in the cell. Five multi-subunit complexes in the
inner membrane of the organelle are involved in the oxidative phosphorylation required for …

[HTML][HTML] Protein interaction networks in neurodegenerative diseases: From physiological function to aggregation

G Calabrese, C Molzahn, T Mayor - Journal of Biological Chemistry, 2022 - Elsevier
The accumulation of protein inclusions is linked to many neurodegenerative diseases that
typically develop in older individuals, due to a combination of genetic and environmental …

LRPPRC is necessary for polyadenylation and coordination of translation of mitochondrial mRNAs

B Ruzzenente, MD Metodiev, A Wredenberg… - The EMBO …, 2012 - embopress.org
Regulation of mtDNA expression is critical for maintaining cellular energy homeostasis and
may, in principle, occur at many different levels. The leucine‐rich pentatricopeptide repeat …

Making proteins in the powerhouse

BM Hällberg, NG Larsson - Cell metabolism, 2014 - cell.com
Understanding regulation of mitochondrial DNA (mtDNA) expression is of considerable
interest given that mitochondrial dysfunction is important in human pathology and aging …

LRPPRC: a multifunctional protein involved in energy metabolism and human disease

J Cui, L Wang, X Ren, Y Zhang, H Zhang - Frontiers in physiology, 2019 - frontiersin.org
The pentatricopeptide repeat (PPR) family plays a major role in RNA stability, regulation,
processing, splicing, translation, and editing. Leucine-rich PPR-motif-containing protein …

LRPPRC/SLIRP suppresses PNPase-mediated mRNA decay and promotes polyadenylation in human mitochondria

T Chujo, T Ohira, Y Sakaguchi, N Goshima… - Nucleic acids …, 2012 - academic.oup.com
In human mitochondria, 10 mRNAs species are generated from a long polycistronic
precursor that is transcribed from the heavy chain of mitochondrial DNA, in theory yielding …

[HTML][HTML] The ATPase Inhibitory Factor 1 (IF1): A master regulator of energy metabolism and of cell survival

J García-Bermúdez, JM Cuezva - Biochimica et Biophysica Acta (BBA) …, 2016 - Elsevier
In this contribution we summarize most of the findings reported for the molecular and cellular
biology of the physiological inhibitor of the mitochondrial H+-ATP synthase, the engine of …

Inventory control: cytochrome c oxidase assembly regulates mitochondrial translation

DU Mick, TD Fox, P Rehling - Nature reviews Molecular cell biology, 2011 - nature.com
Mitochondria maintain genome and translation machinery to synthesize a small subset of
subunits of the oxidative phosphorylation system. To build up functional enzymes, these …

LRPPRC and SLIRP synergize to maintain sufficient and orderly mammalian mitochondrial translation

D Rubalcava-Gracia, K Bubb, F Levander… - Nucleic Acids …, 2024 - academic.oup.com
In mammals, the leucine-rich pentatricopeptide repeat protein (LRPPRC) and the stem-loop
interacting RNA-binding protein (SLIRP) form a complex in the mitochondrial matrix that is …

Transcription, processing, and decay of mitochondrial RNA in health and disease

A Barchiesi, C Vascotto - International journal of molecular sciences, 2019 - mdpi.com
Although the large majority of mitochondrial proteins are nuclear encoded, for their correct
functioning mitochondria require the expression of 13 proteins, two rRNA, and 22 tRNA …