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Translation fidelity is the limiting factor in the accuracy of gene expression. With an estimated frequency of 10-4, errors in mRNA decoding occur in a mostly stochastic manner. Little is known about the response of higher eukaryotes to chronic loss of ribosomal accuracy as per an increase in the...

2019-09-17 | MTBLS106 | MetaboLights
Study to determine the contribution of CgrA to ribosome biogenesis in Aspergillus fumigatus.
ORGANISM(S): Aspergillus fumigatus 
TORC1 is a structurally and functionally conserved multiprotein complex that regulates many aspects of eukaryote growth including the synthesis and assembly of ribosomes. The protein kinase activity of this complex is responsive to environmental cues and is potently inhibited by the natural product ...
ORGANISM(S): Saccharomyces cerevisiae 
TORC1 is a structurally and functionally conserved multiprotein complex that regulates many aspects of eukaryote growth including the synthesis and assembly of ribosomes. The protein kinase activity of this complex is responsive to environmental cues and is potently inhibited by the natural product ...
ORGANISM(S): Saccharomyces cerevisiae 
The transcription factor RUNX1 is frequently mutated in myelodysplastic syndrome and leukemia. RUNX1 mutations can be early events, creating pre-leukemic stem cells that expand in the bone marrow. Here we show that, counter-intuitively, Runx1 deficient hematopoietic stem and progenitor cells (HSPCs)...
ORGANISM(S): Mus musculus 
As nascent polypeptides exit ribosomes, they are engaged by a series of processing, targeting and folding factors. Here we present a selective ribosome profiling strategy that enables global monitoring of when these factors engage polypeptides in the complex cellular environment. Studies of the Esch...
ORGANISM(S): Escherichia coli 
Ribosome biogenesis is pivotal in the self-replication of life. In Escherichia coli, three ribosomal RNAs and 54 ribosomal proteins are synthesized and subjected to cooperative hierarchical assembly facilitated by numerous accessory factors. Realizing ribosome biogenesis in vitro is a critical miles...
2024-12-09 | MTBLS7425 | MetaboLights
We used quantitative proteomics and crosslinking mass spectrometry (XL-MS) to analyse a comprehensive set of purified pre-60S ribosomal particles, obtaining a detailed timeline of RBF engagement during 60S ribosome biogenesis as well as particle-specific crosslink networks for all analysed particles...
ORGANISM(S): Saccharomyces cerevisiae (Baker's yeast) 
2021-12-07 | PXD021831 | Pride
Historically, ribosomes have been viewed as unchanged homogeneous macromolecular machines with no intrinsic regulatory capacity for mRNA translation. However, an emerging concept is that heterogeneity of ribosomal composition exists, which can exert a regulatory function or specificity in translatio...
ORGANISM(S): Homo sapiens (Human) Human herpesvirus 8 strain rKSHV.219 
2022-12-21 | PXD032318 | Pride
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