Results 1 to 10 of about 5,544 (121)

A Faster Triphosphorylation Ribozyme. [PDF]

open access: yesPLoS ONE, 2015
In support of the RNA world hypothesis, previous studies identified trimetaphosphate (Tmp) as a plausible energy source for RNA world organisms. In one of these studies, catalytic RNAs (ribozymes) that catalyze the triphosphorylation of RNA 5'-hydroxyl ...
Gregory F Dolan   +2 more
doaj   +3 more sources

Structural Expansion of Catalytic RNA Nanostructures through Oligomerization of a Cyclic Trimer of Engineered Ribozymes

open access: yesMolecules, 2023
The multimolecular assembly of three-dimensionally structured proteins forms their quaternary structures, some of which have high geometric symmetry. The size and complexity of protein quaternary structures often increase in a hierarchical manner, with ...
Mst. Ayesha Siddika   +6 more
doaj   +1 more source

RNase P Ribozyme Effectively Inhibits Human CC-Chemokine Receptor 5 Expression and Human Immunodeficiency Virus 1 Infection

open access: yesZoonotic Diseases, 2023
Developing novel antiviral agents and approaches is essential for the treatment against human and zoonotic viruses. We had previously produced RNase P-based ribozyme variants capable of efficiently cleaving mRNA in vitro.
Bin Yan   +4 more
doaj   +1 more source

A convolutional neural network for the prediction and forward design of ribozyme-based gene-control elements

open access: yeseLife, 2021
Ribozyme switches are a class of RNA-encoded genetic switch that support conditional regulation of gene expression across diverse organisms. An improved elucidation of the relationships between sequence, structure, and activity can improve our capacity ...
Calvin M Schmidt, Christina D Smolke
doaj   +1 more source

Effective inhibition of human immunodeficiency virus 1 replication by engineered RNase P ribozyme. [PDF]

open access: yesPLoS ONE, 2012
Using an in vitro selection procedure, we have previously isolated RNase P ribozyme variants that efficiently cleave an mRNA sequence in vitro. In this study, a variant was used to target the HIV RNA sequence in the tat region.
Wenbo Zeng   +7 more
doaj   +1 more source

Catalytic RNA Oligomers Formed by Co-Oligomerization of a Pair of Bimolecular RNase P Ribozymes

open access: yesMolecules, 2022
Naturally occurring ribozymes with a modular architecture are promising platforms for construction of RNA nanostructures because modular redesign enables their oligomerization.
Mst. Ayesha Siddika   +7 more
doaj   +1 more source

A cell-based ribozyme reporter system employing a chromosomally-integrated 5′ exonuclease gene

open access: yesBMC Molecular and Cell Biology, 2021
Background Bioinformatic genome surveys indicate that self-cleaving ribonucleic acids (ribozymes) appear to be widespread among all domains of life, although the functions of only a small number have been validated by biochemical methods.
Aiyada Aroonsri   +4 more
doaj   +1 more source

Targeted suicide gene therapy for liver cancer based on ribozyme-mediated RNA replacement through post-transcriptional regulation

open access: yesMolecular Therapy: Nucleic Acids, 2021
Hepatocellular carcinoma (HCC) has high fatality rate and limited therapeutic options. Here, we propose a new anti-HCC approach with high cancer-selectivity and efficient anticancer effects, based on adenovirus-mediated Tetrahymena group I trans-splicing
Seung Ryul Han   +12 more
doaj   +1 more source

Dynamic signal processing by ribozyme-mediated RNA circuits to control gene expression [PDF]

open access: yes, 2014
Organisms have different circuitries that allow converting signal molecule levels to changes in gene expression. An important challenge in synthetic biology involves the de novo design of RNA modules enabling dynamic signal processing in live cells. This
Satya Prakash   +21 more
core   +1 more source

Engineered RNase P Ribozymes Effectively Inhibit Human Cytomegalovirus Gene Expression and Replication

open access: yesViruses, 2014
RNase P ribozyme can be engineered to be a sequence-specific gene-targeting agent with promising application in both basic research and clinical settings.
Zhu Yang   +7 more
doaj   +1 more source

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