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601por Kallert, Elisabeth, Behrendt, Malte, Frey, Ariane, Kersten, Christian, Barthels, Fabian“…This new approach has been successfully used to study the binding of ligands to RNA molecules (e.g., SAM- and PreQ(1) riboswitches) and the identification of modifications (e.g., m(6)A) in short RNA oligos which can be written by the RNA methyltransferase METTL3/14.…”
Publicado 2023
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602“…First, we describe studies that re-engineered natural riboswitches to generate new dynamic controllers. Next, we summarize RNA-based regulatory mechanisms that have been exploited to build novel artificial dynamic controllers. …”
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603por Binas, Oliver, de Jesus, Vanessa, Landgraf, Tom, Völklein, Albrecht Eduard, Martins, Jason, Hymon, Daniel, Kaur Bains, Jasleen, Berg, Hannes, Biedenbänder, Thomas, Fürtig, Boris, Lakshmi Gande, Santosh, Niesteruk, Anna, Oxenfarth, Andreas, Shahin Qureshi, Nusrat, Schamber, Tatjana, Schnieders, Robbin, Tröster, Alix, Wacker, Anna, Wirmer‐Bartoschek, Julia, Wirtz Martin, Maria Alexandra, Stirnal, Elke, Azzaoui, Kamal, Richter, Christian, Sreeramulu, Sridhar, José Blommers, Marcel Jules, Schwalbe, Harald“…Our RNA targets include representative bacterial riboswitches that naturally bind with nanomolar affinity and high specificity to cellular metabolites of low molecular weight. …”
Publicado 2020
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604por Calero, Patricia, Volke, Daniel C., Lowe, Phillip T., Gotfredsen, Charlotte H., O’Hagan, David, Nikel, Pablo I.“…By harnessing fluoride-responsive riboswitches and the orthogonal T7 RNA polymerase, biochemical reactions needed for in vivo biofluorination are wired to the presence of fluoride (i.e. circumventing the need of feeding expensive additives). …”
Publicado 2020
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605por Zhang, Xiao-Jing, Zhao, Zhuo, Wang, Xia, Su, Min-Hui, Ai, Lili, Li, Yingying, Yuan, Quan, Wang, Xue-Qiang, Tan, Weihong“…Functional nucleic acids (FNAs), such as aptamers, nucleic acid enzymes and riboswitches play essential roles in various fields of life sciences. …”
Publicado 2022
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606“…Its functionality was proved as a component of hybrid Boolean gates, i.e., logic circuits that mix transcriptional and translational control (the latter reached via tetracycline-responsive riboswitches). Moreover, Cas12c activity can be strongly inhibited by the anti-CRISPR AcrVA1 protein. …”
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607“…Recent findings on riboswitches emphasize on the dominative function of RNAs in regulating protein functions through allosteric interactions between RNA and protein. …”
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608por Fan, Ben, Li, Lei, Chao, Yanjie, Förstner, Konrad, Vogel, Jörg, Borriss, Rainer, Wu, Xiao-Qin“…We also identified a large number of riboswitches and cis-encoded antisense RNAs, as well as trans-encoded small noncoding RNAs that may play important roles in the gene regulation of Bacillus. …”
Publicado 2015
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609“…Here, we describe a new approach using secondary and tertiary structural scaffolds derived from biologically active riboswitches and small ribozymes. Applied to neurotransmitter precursors 5-hydroxytryptophan and 3,4-dihydroxyphenylalanine, this approach yields easily identifiable and characterizable aptamers predisposed for coupling to readout domains to engineer nucleic acid sensory devices that function in vitro and in the cellular context.…”
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610“…We highlight how these studies have brought novel concepts in prokaryotic gene regulation, such as the ‘excludon’ where the 5′-UTR of a messenger also acts as an antisense regulator of an operon transcribed in opposite orientation, or the notion that riboswitches can regulate non-coding RNAs to integrate complex metabolic stimuli into regulatory networks. …”
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611por Wanowska, Elżbieta, Kubiak, Magdalena Regina, Rosikiewicz, Wojciech, Makałowska, Izabela, Szcześniak, Michał Wojciech“…Regulatory RNAs/RNAi/Riboswitches > Regulatory RNAs; 3.. RNA Interactions with Proteins and Other Molecules > Small Molecule–RNA Interactions;…”
Publicado 2018
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612“…It will make it possible to carry out the search for potential riboswitches in the genome of other socially important pathogens. …”
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613“…At present, many researchers are working on the discovery of viable drug and vaccine targets for bacteria through multiple methods, including the analyses of comparative subtractive genome, core genome, replication-related proteins, transcriptomics and riboswitches, which plays a significant part in the treatment of infectious and pandemic diseases. …”
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614“…We show that when seen in this framework, some naturally occurring RNAs, including ribozymes, riboswitches, viroids, viroid-like retroelements, and PIWI-interacting RNAs (piRNAs), possess several of the characteristic properties of prions.…”
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615“…Unlike well characterized riboswitches in cellular RNAs, the control of infectious RNA activities by altering the configuration of functional RNA domains has only recently been recognized. …”
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616por Ignatov, Dmitriy, Malakho, Sofia, Majorov, Konstantin, Skvortsov, Timofey, Apt, Alexander, Azhikina, Tatyana“…In addition, the 5′ UTRs of 6 genes contained SAM-IV and Ykok types of riboswitches. 87 antisense RNAs and 10 intergenic small RNAs were mapped. 6 intergenic small RNAs, including 4.5S RNA and rnpB, were transcribed at extremely high levels. …”
Publicado 2013
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617“…More recent discoveries include the miRNAs and bacterial sRNAs that regulate gene expression, the thermosensors, riboswitches and other cis-regulatory elements that help prokaryotes sense their environment and eukaryotic piRNAs that suppress transposition. …”
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618“…The challenges that derive from trying to assign function to structure and vice versa are not trivial. Bacterial riboswitches, viral and eukaryotic IRESes, CITEs, and 3′ UTR elements employ an array of mechanisms to exert their effects. …”
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619“…We dissect recently structurally elucidated RNA–RNA complexes including RNA triplexes, riboswitches, ribozymes, and reverse transcription complexes. …”
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620por Mahendran, Gowthami, Jayasinghe, Oshadhi T., Thavakumaran, Dhanushika, Arachchilage, Gayan Mirihana, Silva, Gayathri N.“…In the complex regulatory RNA network, riboswitches, small RNAs, and RNA thermometers can be identified as some of the key players. …”
Publicado 2022
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