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 …

Organization and expression of the mammalian mitochondrial genome

O Rackham, A Filipovska - Nature Reviews Genetics, 2022 - nature.com
The mitochondrial genome encodes core subunits of the respiratory chain that drives
oxidative phosphorylation and is, therefore, essential for energy conversion. Advances in …

Mechanism of membrane-tethered mitochondrial protein synthesis

Y Itoh, J Andréll, A Choi, U Richter, P Maiti, RB Best… - Science, 2021 - science.org
Mitochondrial ribosomes (mitoribosomes) are tethered to the mitochondrial inner membrane
to facilitate the cotranslational membrane insertion of the synthesized proteins. We report …

[HTML][HTML] Mechanism of mitoribosomal small subunit biogenesis and preinitiation

Y Itoh, A Khawaja, I Laptev, M Cipullo, I Atanassov… - Nature, 2022 - nature.com
Mitoribosomes are essential for the synthesis and maintenance of bioenergetic proteins.
Here we use cryo-electron microscopy to determine a series of the small mitoribosomal …

Mitochondrial protein translation: emerging roles and clinical significance in disease

F Wang, D Zhang, D Zhang, P Li, Y Gao - Frontiers in Cell and …, 2021 - frontiersin.org
Mitochondria are one of the most important organelles in cells. Mitochondria are semi-
autonomous organelles with their own genetic system, and can independently replicate …

Structural basis of mitochondrial translation

S Aibara, V Singh, A Modelska, A Amunts - elife, 2020 - elifesciences.org
Translation of mitochondrial messenger RNA (mt-mRNA) is performed by distinct
mitoribosomes comprising at least 36 mitochondria-specific proteins. How these …

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 …

A roadmap for ribosome assembly in human mitochondria

E Lavdovskaia, E Hanitsch, A Linden… - Nature Structural & …, 2024 - nature.com
Mitochondria contain dedicated ribosomes (mitoribosomes), which synthesize the
mitochondrial-encoded core components of the oxidative phosphorylation complexes. The …

Molecular basis of translation termination at noncanonical stop codons in human mitochondria

M Saurer, M Leibundgut, HP Nadimpalli, A Scaiola… - Science, 2023 - science.org
The genetic code that specifies the identity of amino acids incorporated into proteins during
protein synthesis is almost universally conserved. Mitochondrial genomes feature deviations …

Evolutionary shift toward protein-based architecture in trypanosomal mitochondrial ribosomes

DJF Ramrath, M Niemann, M Leibundgut, P Bieri… - Science, 2018 - science.org
INTRODUCTION Ribosomes are universally conserved assemblies composed of ribosomal
RNA (rRNA) and proteins, where rRNA plays key structural and functional roles. Despite …