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Items for "riboswitch"

RNA thermometers are common in ?- and ?-proteobacteria

Expression of many rhizobial small heat-shock genes is controlled by the ROSE element, a thermoresponsive structure in the 5?-untranslated region of the corresponding mRNAs...

Keywords: heat shock, regulation, riboswitch, RNA sensors, translational control

12/2005 | Biological Chemistry, Walter de Gruyter

l-Arginine influences the structure and function of arginase mRNA in Aspergillus nidulans

Expression of the arginase structural gene (agaA) in Aspergillus nidulans is subject to complex transcriptional and post-transcriptional regulation...

Keywords: alternative splicing, Aspergillus nidulans, l-arginine, mRNA stability, riboswitch

02/2007 | Biological Chemistry, Walter de Gruyter

Engineering high-speed allosteric hammerhead ribozymes

Full-length hammerhead ribozymes were subjected to in vitro selection to identify variants that are allosterically regulated by theophylline in the presence of a physiologically relevant concentration of Mg²⁺...

Keywords: Aptamer, riboswitch, RNA folding, RNA switch, self-cleavage, theophylline

01/2007 | Biological Chemistry, Walter de Gruyter

Generation of synthetic RNA-based thermosensors

Structured RNAs with fundamental sensory and regulatory potential have been discovered in all kingdoms of life...

Keywords: regulatory RNA, riboswitch, RNA thermometer, synthetic biology, translational control

10/2008 | Biological Chemistry, Walter de Gruyter

RNA switches regulate initiation of translation in bacteria

A large variety of RNA-based mechanisms have been uncovered in all living organisms to regulate gene expression in response to internal and external changes, and to rapidly adapt cell growth in response to these signals...

Keywords: antisense RNA, initiation, non-coding RNA, regulatory protein, riboswitch, stand-by ribosome, translational control

05/2008 | Biological Chemistry, Walter de Gruyter

Secondary structures and functional requirements for thiM riboswitches from Desulfovibrio vulgaris, Erwinia carotovora and Rhodobacter spheroides

Bacterial thiM riboswitches contain aptamer domains that bind the metabolite thiamine pyrophosphate (TPP)...

Keywords: chemical probing, Desulfovibrio vulgaris, Erwinia carotovora, hairpin, Rhodobacter spheroides, riboswitch, thiamine pyrophosphate, ThiM

02/2008 | Biological Chemistry, Walter de Gruyter

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