Mechanisms and regulation of protein synthesis in mitochondria

E Kummer, N Ban - Nature Reviews Molecular Cell Biology, 2021 - nature.com
Mitochondria are cellular organelles responsible for generation of chemical energy in the
process called oxidative phosphorylation. They originate from a bacterial ancestor and …

[HTML][HTML] No role for nuclear transcription regulators in mammalian mitochondria?

D Rubalcava-Gracia, R García-Villegas, NG Larsson - Molecular Cell, 2023 - cell.com
Although the mammalian mtDNA transcription machinery is simple and resembles
bacteriophage systems, there are many reports that nuclear transcription regulators, as …

Elongational stalling activates mitoribosome-associated quality control

N Desai, H Yang, V Chandrasekaran, R Kazi… - Science, 2020 - science.org
The human mitochondrial ribosome (mitoribosome) and associated proteins regulate the
synthesis of 13 essential subunits of the oxidative phosphorylation complexes. We report the …

Translation initiation of leaderless and polycistronic transcripts in mammalian mitochondria

C Remes, A Khawaja, SF Pearce… - Nucleic acids …, 2023 - academic.oup.com
The synthesis of mitochondrial OXPHOS complexes is central to cellular metabolism, yet
many molecular details of mitochondrial translation remain elusive. It has been commonly …

Human mitochondria require mtRF1 for translation termination at non-canonical stop codons

A Krüger, C Remes, DI Shiriaev, Y Liu, H Spåhr… - Nature …, 2023 - nature.com
The mitochondrial translation machinery highly diverged from its bacterial counterpart. This
includes deviation from the universal genetic code, with AGA and AGG codons lacking …

Balanced mitochondrial and cytosolic translatomes underlie the biogenesis of human respiratory complexes

I Soto, M Couvillion, KG Hansen, E McShane… - Genome biology, 2022 - Springer
Background Oxidative phosphorylation (OXPHOS) complexes consist of nuclear and
mitochondrial DNA-encoded subunits. Their biogenesis requires cross-compartment gene …

Starting the engine of the powerhouse: mitochondrial transcription and beyond

M Miranda, NA Bonekamp, I Kühl - Biological Chemistry, 2022 - degruyter.com
Mitochondria are central hubs for cellular metabolism, coordinating a variety of metabolic
reactions crucial for human health. Mitochondria provide most of the cellular energy via their …

Mitochondrial gene expression and beyond—novel aspects of cellular physiology

AV Kotrys, RJ Szczesny - Cells, 2019 - mdpi.com
Mitochondria are peculiar organelles whose proper function depends on the crosstalk
between two genomes, mitochondrial and nuclear. The human mitochondrial genome …

Defining mitochondrial protein functions through deep multiomic profiling

JW Rensvold, E Shishkova, Y Sverchkov, IJ Miller… - Nature, 2022 - nature.com
Mitochondria are epicentres of eukaryotic metabolism and bioenergetics. Pioneering efforts
in recent decades have established the core protein componentry of these organelles and …

Nonstop mRNAs generate a ground state of mitochondrial gene expression noise

KY Ng, G Lutfullahoglu Bal, U Richter, O Safronov… - Science …, 2022 - science.org
A stop codon within the mRNA facilitates coordinated termination of protein synthesis,
releasing the nascent polypeptide from the ribosome. This essential step in gene expression …