Results 31 to 40 of about 320,867 (304)

Ribosomal proteins: functions beyond the ribosome [PDF]

open access: yesJournal of Molecular Cell Biology, 2015
Although ribosomal proteins are known for playing an essential role in ribosome assembly and protein translation, their ribosome-independent functions have also been greatly appreciated. Over the past decade, more than a dozen of ribosomal proteins have been found to activate the tumor suppressor p53 pathway in response to ribosomal stress. In addition,
Xiang, Zhou   +4 more
openaire   +2 more sources

Didemnin B and ternatin-4 differentially inhibit conformational changes in eEF1A required for aminoacyl-tRNA accommodation into mammalian ribosomes

open access: yeseLife, 2022
Rapid and accurate mRNA translation requires efficient codon-dependent delivery of the correct aminoacyl-tRNA (aa-tRNA) to the ribosomal A site. In mammals, this fidelity-determining reaction is facilitated by the GTPase elongation factor-1 alpha (eEF1A),
Manuel F Juette   +9 more
doaj   +1 more source

Hepatitis C virus 3'UTR regulates viral translation through direct interactions with the host translation machinery. [PDF]

open access: yes, 2013
The 3' untranslated region (3'UTR) of hepatitis C virus (HCV) messenger RNA stimulates viral translation by an undetermined mechanism. We identified a high affinity interaction, conserved among different HCV genotypes, between the HCV 3'UTR and the host ...
Bai, Yun   +2 more
core   +2 more sources

Ribosome-omics of the human ribosome [PDF]

open access: yesRNA, 2014
The torrent of RNA-seq data becoming available not only furnishes an overview of the entire transcriptome but also provides tools to focus on specific areas of interest. Our focus on the synthesis of ribosomes asked whether the abundance of mRNAs encoding ribosomal proteins (RPs) matched the equimolar need for the RPs in the assembly of ribosomes.
Gupta, Varun, Warner, Jonathan R.
openaire   +2 more sources

Active role of elongation factor G in maintaining the mRNA reading frame during translation. [PDF]

open access: yes, 2019
During translation, the ribosome moves along the mRNA one codon at a time with the help of elongation factor G (EF-G). Spontaneous changes in the translational reading frame are extremely rare, yet how the precise triplet-wise step is maintained is not ...
Belardinelli, R.   +5 more
core   +2 more sources

Kinetic modeling predicts a stimulatory role for ribosome collisions at elongation stall sites in bacteria

open access: yeseLife, 2017
Ribosome stalling on mRNAs can decrease protein expression. To decipher ribosome kinetics at stall sites, we induced ribosome stalling at specific codons by starving the bacterium Escherichia coli for the cognate amino acid. We measured protein synthesis
Michael A Ferrin, Arvind R Subramaniam
doaj   +1 more source

Cotranslational folding of proteins on the ribosome.

open access: yes, 2020
Many proteins in the cell fold cotranslationally within the restricted space of the polypeptide exit tunnel or at the surface of the ribosome. A growing body of evidence suggests that the ribosome can alter the folding trajectory in many different ways ...
Liutkute, M., Rodnina, M., Samatova, E.
core   +1 more source

Ribosomal Proteins in Ribosome Assembly

open access: yesBiomolecules
Ribosomes are the cellular machinery responsible for translating mRNA into proteins, a process fundamental to all domains of life from bacteria to eukaryotes [...]
Brigitte Pertschy, Ingrid Zierler
openaire   +4 more sources

Functional Analysis of PSRP1, the Chloroplast Homolog of a Cyanobacterial Ribosome Hibernation Factor

open access: yesPlants, 2020
Bacterial ribosome hibernation factors sequester ribosomes in an inactive state during the stationary phase and in response to stress. The cyanobacterial ribosome hibernation factor LrtA has been suggested to inactivate ribosomes in the dark and to be ...
Kevin Swift   +4 more
doaj   +1 more source

Microtubule-dependent ribosome localization in C. elegans neurons. [PDF]

open access: yes, 2017
Subcellular localization of ribosomes defines the location and capacity for protein synthesis. Methods for in vivo visualizing ribosomes in multicellular organisms are desirable in mechanistic investigations of the cell biology of ribosome dynamics. Here,
Ellisman, Mark H   +3 more
core   +1 more source

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