Results 51 to 60 of about 1,029,988 (373)

RNA-dependent RNA polymerases of plants [PDF]

open access: yesProceedings of the National Academy of Sciences, 1979
The existence of RNA-dependent RNA polymerases (EC 2.7.7.48) in plants has been definitely proven by their isolation in pure form from cucumber and tobacco in our laboratory and from cowpea at Wageningen. These enzymes are single-chain proteins of 100-130 kilodaltons. They show clear physical and biochemical differences characteristic for a given plant
openaire   +2 more sources

In vitro RNA-dependent RNA Polymerase Assay Using Arabidopsis RDR6

open access: yesBio-Protocol, 2018
RNA-dependent RNA polymerases (RdRPs) in eukaryotes convert single-stranded RNAs into double-stranded RNAs, thereby amplifying small interfering RNAs that play crucial roles in the regulation of development, maintenance of genome integrity and antiviral ...
Kyungmin Baeg   +2 more
doaj   +1 more source

RNA-Dependent RNA Polymerase as a Target for COVID-19 Drug Discovery

open access: yesSLAS Discovery, 2020
COVID-19 respiratory disease caused by the severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) has rapidly become a global health issue since it emerged in December 2019.
Wei Zhu   +5 more
semanticscholar   +1 more source

A narnavirus-like element from the trypanosomatid protozoan parasite Leptomonas seymouri [PDF]

open access: yes, 2016
Genome sequences were determined for a novel RNA virus, Leptomonas seymouri Narna-like virus 1 (LepseyNLV1). A 2.9-kb segment encodes an RNA-dependent RNA polymerase (RdRp), while a smaller 1.5-kb segment showed no database search matches.
Akopyants, Natalia S   +3 more
core   +2 more sources

Identification of Potential Key Agents for Targeting RNA-Dependent RNA Polymerase of SARS-CoV-2 by Integrated Analysis and Virtual Drug Screening

open access: yesFrontiers in Genetics, 2020
BackgroundRNA-dependent RNA polymerase (RdRp) is the key enzyme responsible for the SARS-CoV-2 replication process and catalyzes the synthesis of complementary minus strand RNA and genomic plus strand RNA, often recognized as good targets for antiviral ...
Shuang Ao   +8 more
doaj   +1 more source

Electron Density Analysis of SARS-CoV-2 RNA-Dependent RNA Polymerase Complexes

open access: yesMolecules, 2021
The work is devoted to the study of the complementarity of the electronic structures of the ligands and SARS-CoV-2 RNA-dependent RNA polymerase. The research methodology was based on determining of 3D maps of electron densities of complexes using an ...
Nadezhda Palko   +2 more
doaj   +1 more source

Structural Basis of the Potential Binding Mechanism of Remdesivir to SARS-CoV-2 RNA-Dependent RNA Polymerase

open access: yesJournal of Physical Chemistry B, 2020
Starting from late 2019, the coronavirus disease 2019 (COVID-19) has emerged as a once-in-a-century pandemic with deadly consequences, which urgently calls for new treatments, cures, and supporting apparatuses.
Leili Zhang, R. Zhou
semanticscholar   +1 more source

Coronavirus Cell-Associated RNA-Dependent RNA Polymerase [PDF]

open access: yes, 1981
Infectious, single-stranded, nonsegmented, polyadenylated, genomic RNA has been demonstrated for the avian infectious bronchitis virus (Lomniczi and Kennedy, 1977; Schochetman et al., 1977), the mouse hepatitis virus (Lai and Stohlman, 1978; Wege et al., 1978), and the transmissible gastroenteritis virus (TGEV) of swine (Brian et al., 1980), three ...
D E, Dennis, D A, Brian
openaire   +2 more sources

Selection of single-chain antibodies that specifically interact with vesicular stomatitis virus (VSV) nucleocapsid and inhibit viral RNA synthesis. [PDF]

open access: yes, 2005
International audienceThe RNA genome of non-segmented negative-strand RNA viruses is completely covered by the nucleoprotein (N) forming a ribonucleoprotein complex, the nucleocapsid.
Cortay, Jean-Claude   +2 more
core   +3 more sources

Inhibitors of the Hepatitis C Virus RNA-Dependent RNA Polymerase NS5B

open access: yesViruses, 2010
More than 20 years after the identification of the hepatitis C virus (HCV) as a novel human pathogen, the only approved treatment remains a combination of pegylated interferon-α and ribavirin.
Megan H. Powdrill   +2 more
doaj   +1 more source

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