Results 31 to 40 of about 16,494 (236)

Emergent Chemical Reactivity and Complexity of RNA Condensates. [PDF]

open access: yesAngew Chem Int Ed Engl
RNA condensates capable of substrate enrichment and catalysis modulate their environment. Could this start a catalytic selection loop or evolution? Abstract The RNA world hypothesis posits the existence of life‐like assemblies that consisted mostly of RNA.
Hauf S   +4 more
europepmc   +3 more sources

Trans-acting aptazyme for conditional gene knockdown in eukaryotic cells

open access: yesMolecular Therapy: Nucleic Acids, 2023
Trans-acting hammerhead ribozyme inherits the advantages of being the smallest and best-characterized RNA-cleaving ribozyme, offering high modularity and the ability to cleave any desired sequence without the aid of any protein, as long as the target ...
Shan Zhou   +11 more
doaj   +1 more source

Structural variants and modifications of hammerhead ribozymes targeting influenza A virus conserved structural motifs

open access: yesMolecular Therapy: Nucleic Acids, 2022
The naturally occurring structure and biological functions of RNA are correlated, which includes hammerhead ribozymes. We proposed new variants of hammerhead ribozymes targeting conserved structural motifs of segment 5 of influenza A virus (IAV) (+)RNA ...
Tomasz Czapik   +3 more
doaj   +1 more source

Hammerhead ribozyme kinetics [PDF]

open access: yesRNA, 1998
The hammerhead ribozyme is a small RNA motif that self cleaves at a specific phosphodiester bond to produce 2′,3′ cyclic phosphate and 5′ hydroxyl termini (Hutchins et al., 1986; Forster & Symons, 1987a). The secondary structure of the hammerhead consists of three helices of arbitrary sequence and length (designated I, II, and III) that intersect at 15
T K, Stage-Zimmermann, O C, Uhlenbeck
openaire   +2 more sources

Identification of hammerhead ribozymes in all domains of life reveals novel structural variations. [PDF]

open access: yesPLoS Computational Biology, 2011
Hammerhead ribozymes are small self-cleaving RNAs that promote strand scission by internal phosphoester transfer. Comparative sequence analysis was used to identify numerous additional representatives of this ribozyme class than were previously known ...
Jonathan Perreault   +6 more
doaj   +1 more source

Acquisition of Dual Ribozyme-Functions in Nonfunctional Short Hairpin RNAs through Kissing-Loop Interactions

open access: yesLife, 2022
The acquisition of functions via the elongation of nucleotides is an important factor in the development of the RNA world. In our previous study, we found that the introduction of complementary seven-membered kissing loops into inactive R3C ligase ...
Hiromi Mutsuro-Aoki, Koji Tamura
doaj   +1 more source

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