ArticleNucleic acids research2017
Self-protective responses to norvaline-induced stress in a leucyl-tRNA synthetase editing-deficient yeast strain.
Article in Nucleic acids research, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 15 citations in OpenAlex.
- Gallium-Containing Agents for Tumor Diagnosis and Therapy: Current Status and Future Prospects.Small (Weinheim an der Bergstrasse, Germany) · 2026Review
- The Deletion ofJournal of fungi (Basel, Switzerland) · 2024Article
- Mammalian mitochondrial translation infidelity leads to oxidative stress-induced cell cycle arrest and cardiomyopathy.Proceedings of the National Academy of Sciences of the United States of America · 2023Article
- Efficacy of epetraborole against Mycobacterium abscessus is increased with norvaline.PLoS pathogens · 2021Article
- Impact of alanyl-tRNA synthetase editing deficiency in yeast.Nucleic acids research · 2021Article
- Knockdown of Arginyl-tRNA Synthetase Attenuates Ischemia-Induced Cerebral Cortex Injury in Rats After Middle Cerebral Artery Occlusion.Translational stroke research · 2021Article
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Authors and funding
5 authors at 3 institutions in 1 country.
Funding
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Abstract
The editing function of aminoacyl-tRNA synthetases (aaRSs) is indispensible for formation of the correct aminoacyl-tRNAs. Editing deficiency may lead to growth inhibition and the pathogenesis of various diseases. Herein, we confirmed that norvaline (Nva) but not isoleucine or valine is the major threat to the editing function of Saccharomyces cerevisiae leucyl-tRNA synthetase (ScLeuRS), both in vitro and in vivo. Nva could be misincorporated into the proteome of the LeuRS editing-deficient yeast strain (D419A/ScΔleuS), potentially resulting in dysfunctional protein folding and growth delay. Furthermore, the exploration of the Nva-induced intracellular stress response mechanism in D419A/ScΔleuS revealed that Hsp70 chaperones were markedly upregulated in response to the potential protein misfolding. Additionally, proline (Pro), glutamate (Glu) and glutamine (Gln), which may accumulate due to the conversion of Nva, collectively contributed to the reduction of reactive oxygen species (ROS) levels in Nva-treated D419A/ScΔleuS cells. In conclusion, our study highlights the significance of the editing function of LeuRS and provides clues for understanding the intracellular stress protective mechanisms that are triggered in aaRS editing-deficient organisms.
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