Results 61 to 70 of about 2,625,316 (382)

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

RNA polymerase interactions and elongation rate

open access: yes, 2018
We show that non-steric molecular interactions between RNA polymerase (RNAP) motors that move simultaneously on the same DNA track determine strongly the kinetics of transcription elongation.
Belitsky, V., Schütz, G. M.
core   +1 more source

Structure of the RNA-dependent RNA polymerase of poliovirus [PDF]

open access: yes, 1997
Background: The central player in the replication of RNA viruses is the viral RNA-dependent RNA polymerase. The 53 kDa poliovirus polymerase, together with other viral and possibly host proteins, carries out viral RNA replication in the host cell ...
Hansen, Jeffrey L   +2 more
core   +1 more source

Social context prevents heat hormetic effects against mutagens during fish development

open access: yesFEBS Letters, EarlyView.
This study shows that sublethal heat stress protects fish embryos against ultraviolet radiation, a concept known as ‘hormesis’. However, chemical stress transmission between fish embryos negates this protective effect. By providing evidence for the mechanistic molecular basis of heat stress hormesis and interindividual stress communication, this study ...
Lauric Feugere   +5 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

RNA polymerase errors cause splicing defects and can be regulated by differential expression of RNA polymerase subunits

open access: yeseLife, 2015
Errors during transcription may play an important role in determining cellular phenotypes: the RNA polymerase error rate is >4 orders of magnitude higher than that of DNA polymerase and errors are amplified >1000-fold due to translation.
Lucas B Carey
doaj   +1 more source

Writing a wrong: Coupled RNA polymerase II transcription and RNA quality control [PDF]

open access: yes, 2019
Processing and maturation of precursor RNA species is coupled to RNA polymerase II transcription. Co-transcriptional RNA processing helps to ensure efficient and proper capping, splicing, and 3' end processing of different RNA species to help ensure ...
Hughes, Katlyn D.   +3 more
core   +1 more source

miRNA‐29 regulates epidermal and mesenchymal functions in skin repair

open access: yesFEBS Letters, EarlyView.
miRNA‐29 inhibits cell‐to‐cell and cell‐to‐matrix adhesion by silencing mRNA targets. Adhesion is controlled by complex interactions between many types of molecules coded by mRNAs. This is crucial for keeping together the layers of the skin and for regenerating the skin after wounding.
Lalitha Thiagarajan   +10 more
wiley   +1 more source

A cellular system to study responses to a collision between the transcription complex and a protein‐bound nick in the DNA template

open access: yesFEBS Letters, EarlyView.
We present the cellular transcription‐coupled Flp‐nick system allowing the introduction of a Top1‐mimicking cleavage complex (Flpcc) at a Flp recognition target site within a controllable LacZ gene. LacZ transcription leads to the collision of RNA polymerase II (RNAPII) with Flpcc, and this causes RNAPII stalling, ubiquitination, and degradation.
Petra Herring   +6 more
wiley   +1 more source

Analysis of Template Variations on RNA Synthesis by Respiratory Syncytial Virus Polymerase

open access: yesViruses, 2022
Respiratory syncytial virus (RSV) is a significant threat to infants and elderly individuals globally. Currently, there are no effective therapies or treatments for RSV infection because of an insufficient understanding of the RSV viral machinery.
Dongdong Cao   +8 more
doaj   +1 more source

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