Ribosome hibernation

T Prossliner, K Skovbo Winther… - Annual review of …, 2018 - annualreviews.org
Protein synthesis consumes a large fraction of available resources in the cell. When bacteria
encounter unfavorable conditions and cease to grow, specialized mechanisms are in place …

Survival of the drowsiest: the hibernating 100S ribosome in bacterial stress management

DW Gohara, MNF Yap - Current genetics, 2018 - Springer
In response to nutrient deprivation and environmental insults, bacteria conjoin two copies of
non-translating 70S ribosomes that form the translationally inactive 100S dimer. This …

Cryo-EM structure of the mycobacterial 70S ribosome in complex with ribosome hibernation promotion factor RafH

N Kumar, S Sharma, PS Kaushal - Nature Communications, 2024 - nature.com
Ribosome hibernation is a key survival strategy bacteria adopt under environmental stress,
where a protein, hibernation promotion factor (HPF), transitorily inactivates the ribosome …

Structure of a hibernating 100S ribosome reveals an inactive conformation of the ribosomal protein S1

B Beckert, M Turk, A Czech, O Berninghausen… - Nature …, 2018 - nature.com
To survive under conditions of stress, such as nutrient deprivation, bacterial 70S ribosomes
dimerize to form hibernating 100S particles. In γ-proteobacteria, such as Escherichia coli …

Structural basis of ribosomal 30S subunit degradation by RNase R

L Dimitrova-Paternoga, S Kasvandik, B Beckert… - Nature, 2024 - nature.com
Protein synthesis is a major energy-consuming process of the cell that requires the
controlled production,–and turnover, of ribosomes. Although the past few years have seen …

Zinc depletion induces ribosome hibernation in mycobacteria

Y Li, MR Sharma, RK Koripella… - Proceedings of the …, 2018 - National Acad Sciences
Bacteria respond to zinc starvation by replacing ribosomal proteins that have the zinc-
binding CXXC motif (C+) with their zinc-free (C−) paralogues. Consequences of this process …

Hibernation factors directly block ribonucleases from entering the ribosome in response to starvation

T Prossliner, K Gerdes, MA Sørensen… - Nucleic Acids …, 2021 - academic.oup.com
Ribosome hibernation is a universal translation stress response found in bacteria as well as
plant plastids. The term was coined almost two decades ago and despite recent insights …

Structure of the Bacillus subtilis hibernating 100S ribosome reveals the basis for 70S dimerization

B Beckert, M Abdelshahid, H Schäfer… - The EMBO …, 2017 - embopress.org
Under stress conditions, such as nutrient deprivation, bacteria enter into a hibernation stage,
which is characterized by the appearance of 100S ribosomal particles. In Escherichia coli …

Disassembly of the Staphylococcus aureus hibernating 100S ribosome by an evolutionarily conserved GTPase

A Basu, MNF Yap - Proceedings of the National Academy of …, 2017 - National Acad Sciences
The bacterial hibernating 100S ribosome is a poorly understood form of the dimeric 70S
particle that has been linked to pathogenesis, translational repression, starvation responses …

Structure of the chloroplast ribosome with chl-RRF and hibernation-promoting factor

A Perez Boerema, S Aibara, B Paul, V Tobiasson… - Nature plants, 2018 - nature.com
Oxygenic photosynthesis produces oxygen and builds a variety of organic compounds,
changing the chemistry of the air, the sea and fuelling the food chain on our planet. The …