Results 51 to 60 of about 2,226,379 (341)

Origin and Evolution of RNA-Dependent RNA Polymerase

open access: yesFrontiers in Genetics, 2017
RNA-dependent RNA polymerases (RdRp) are very ancient enzymes and are essential for all viruses with RNA genomes. We reconstruct the origin and evolution of this polymerase since the initial stages of the origin of life. The origin of the RdRp was traced
Savio T. de Farias   +3 more
doaj   +1 more source

Biogenesis of RNA Polymerases in Yeast [PDF]

open access: yesFrontiers in Molecular Biosciences, 2021
Eukaryotic RNA polymerases (RNA pols) transcriptional processes have been extensively investigated, and the structural analysis of eukaryotic RNA pols has been explored. However, the global assembly and biogenesis of these heteromultimeric complexes have been narrowly studied.
Ana I. Garrido-Godino   +3 more
openaire   +3 more sources

Mechanism of Inhibition of Ebola Virus RNA-Dependent RNA Polymerase by Remdesivir

open access: yesViruses, 2019
Remdesivir (GS-5734) is a 1′-cyano-substituted adenosine nucleotide analogue prodrug that shows broad-spectrum antiviral activity against several RNA viruses. This compound is currently under clinical development for the treatment of Ebola virus disease (
E. Tchesnokov   +3 more
semanticscholar   +1 more source

Favipiravir (T-705), a broad spectrum inhibitor of viral RNA polymerase

open access: yesProceedings of the Japan Academy. Series B, Physical and biological sciences, 2017
Favipiravir (T-705; 6-fluoro-3-hydroxy-2-pyrazinecarboxamide) is an anti-viral agent that selectively and potently inhibits the RNA-dependent RNA polymerase (RdRp) of RNA viruses.
Y. Furuta, T. Komeno, Takaaki Nakamura
semanticscholar   +1 more source

RNA Polymerase Subunits and Ribosomal Proteins: An Overview and Their Genetic Impact on Complex Human Traits

open access: yesFrontiers in Bioscience-Landmark
Accurate gene expression is fundamental for sustaining life, enabling adaptive responses to routine tasks and management of urgent cellular environments.
Jihye Ryu, Chaeyoung Lee
doaj   +1 more source

Recent advances in the characterization of Crl, the unconventional activator of the stress sigma factor σS/RpoS

open access: yesBiomolecular Concepts, 2016
The bacterial RNA polymerase (RNAP) holoenzyme is a multisubunit core enzyme associated with a σ factor that is required for promoter-specific transcription initiation. Besides a primary σ responsible for most of the gene expression during active growth,
Cavaliere Paola, Norel Françoise
doaj   +1 more source

In vitro Assessment of RNA Polymerase I Activity

open access: yesBio-Protocol, 2017
In eukaryotic cells transcriptional processes are carried out by three different RNA polymerases: RNA polymerase I which specifically transcribes ribosomal RNA (rRNA), RNA polymerase II which transcribes protein-coding genes to yield messenger RNAs ...
Marzia Govoni
doaj   +1 more source

Structures of active Hantaan virus polymerase uncover the mechanisms of Hantaviridae genome replication

open access: yesNature Communications, 2023
Hantaviruses are causing life-threatening zoonotic infections in humans. Their tripartite negative-stranded RNA genome is replicated by the multi-functional viral RNA-dependent RNA-polymerase.
Quentin Durieux Trouilleton   +4 more
doaj   +1 more source

Interaction vesicles as emerging mediators of host‐pathogen molecular crosstalk and their implications for infection dynamics

open access: yesFEBS Letters, EarlyView.
Interaction extracellular vesicles (iEVs) are hybrid vesicles formed through host‐pathogen communication. They facilitate immune evasion, transfer pathogens' molecules, increase host cell uptake, and enhance virulence. This Perspective article illustrates the multifunctional roles of iEVs and highlights their emerging relevance in infection dynamics ...
Bruna Sabatke   +2 more
wiley   +1 more source

Reticulocyte RNA-Dependent RNA Polymerase [PDF]

open access: yesProceedings of the National Academy of Sciences, 1973
A cytoplasmic, microsomal bound RNA-dependent RNA polymerase has been purified 2500-fold from rabbit reticulocyte lysates. The synthesis of RNA with the purified enzyme is absolutely dependent on the addition of an RNA template. The best template is hemoglobin messenger RNA, while bacteriophage RNA and poly(A,G) are less active, and DNA is completely ...
Antero G. So   +3 more
openaire   +3 more sources

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