Results 31 to 40 of about 24,423 (298)

Atovaquone and Pibrentasvir Inhibit the SARS-CoV-2 Endoribonuclease and Restrict Infection In Vitro but Not In Vivo

open access: yesViruses, 2023
The emergence of SARS-CoV-1 in 2003 followed by MERS-CoV and now SARS-CoV-2 has proven the latent threat these viruses pose to humanity. While the SARS-CoV-2 pandemic has shifted to a stage of endemicity, the threat of new coronaviruses emerging from ...
Troy von Beck   +6 more
doaj   +1 more source

Flipped Over U: Structural Basis for dsRNA Cleavage by the SARS-CoV-2 Endoribonuclease

open access: yesbioRxiv, 2022
Coronaviruses generate double-stranded (ds) RNA intermediates during viral replication that can activate host immune sensors. To evade activation of the host pattern recognition receptor MDA5, coronaviruses employ Nsp15, which is uridine-specific ...
M. Frazier   +6 more
semanticscholar   +1 more source

MERS-CoV endoribonuclease and accessory proteins jointly evade host innate immunity during infection of lung and nasal epithelial cells

open access: yesProceedings of the National Academy of Sciences of the United States of America, 2022
Significance Middle East respiratory syndrome coronavirus (MERS-CoV) causes highly lethal respiratory disease. MERS-CoV encodes innate immune antagonists, including accessory proteins NS4a and NS4b, unique to the merbeco lineage of betacoronaviruses, and
Courtney E. Comar   +9 more
semanticscholar   +1 more source

Targeting IRE1 endoribonuclease activity alleviates cardiovascular lesions in a murine model of Kawasaki disease vasculitis

open access: yesJCI Insight, 2022
Kawasaki disease (KD) is the leading cause of noncongenital heart disease in children. Studies in mice and humans propound the NLRP3/IL-1β pathway as the principal driver of KD pathophysiology.
S. Marek-Iannucci   +11 more
semanticscholar   +1 more source

Sequence-specific endoribonucleases

open access: bronzePostępy Biochemii, 2016
Ribonucleases are nucleolytic enzymes that commonly occur in living organisms and act by cleaving RNA molecules. These enzymes are involved in basic cellular processes, including the RNA maturation that accompanies the formation of functional RNAs, as well as RNA degradation that enables removal of defective or dangerous molecules or ones that have ...
Dawid Głów   +3 more
openalex   +4 more sources

A Mutant Era GTPase Suppresses Phenotypes Caused by Loss of Highly Conserved YbeY Protein in Escherichia coli

open access: yesFrontiers in Microbiology, 2022
Ribosome assembly is a complex fundamental cellular process that involves assembling multiple ribosomal proteins and several ribosomal RNA species in a highly coordinated yet flexible and resilient manner.
Vignesh M. P. Babu   +3 more
doaj   +1 more source

Allosteric regulation and crystallographic fragment screening of SARS-CoV-2 NSP15 endoribonuclease

open access: yesbioRxiv, 2022
SARS-CoV-2 is the causative agent of COVID-19. The highly conserved viral NSP15 endoribonuclease, NendoU, is a key enzyme involved in viral immune evasion, and a promising target for the development of new classes of antivirals. Yet, the broad variety of
A. Godoy   +23 more
semanticscholar   +1 more source

Colicin E3: A Unique Endoribonuclease [PDF]

open access: yesProceedings of the National Academy of Sciences, 1973
The question of whether or not a cellular ribonuclease is involved in the cleavage of 16S ribosomal RNA by colicin E3 was investigated. For this purpose ribosomes from strains devoid of some ribonucleases or ribosomes in which ribonucleases had been inactivated by heat or removed by extensive washings were used for the colicin reaction.
Irene Meyhack   +2 more
openaire   +3 more sources

Diversity for endoribonuclease nsp15-mediated regulation of alpha-coronavirus propagation and virulence

open access: yesMicrobiology Spectrum, 2023
Endoribonuclease non-structural protein 15 (nsp15) (EndoU) is conserved among coronaviruses (CoVs) and is crucial for viral replication, evasion of the innate immune system, and virulence.
Yunfei Xie   +10 more
doaj   +1 more source

Role of Stress Granules in Suppressing Viral Replication by the Infectious Bronchitis Virus Endoribonuclease

open access: yesJournal of Virology, 2022
Endoribonuclease is conserved in coronaviruses and affects viral replication and pathogenicity. Infectious bronchitis virus (IBV), a γ-coronavirus, infects respiratory, renal, and reproductive systems, causing millions of dollars in lost revenue to the ...
Jing Zhao   +5 more
semanticscholar   +1 more source

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