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RNA is an important regulator in biology. Its simple architecture is augmented by diverse chemical modifications. Recently we discovered the ubiquitous redox coenzyme nicotinamide adenine dinucleotide (NAD) to be attached to a specific set of regulatory RNAs in bacteria in a cap-like manner, and to modulate the cellular functions of these RNAs. This article highlights the biosynthesis, removal, and...
In vitro selection from combinatorial RNA libraries has repeatedly been used to study the catalytic and binding potential of nucleic acids. These selections not only led to RNA sequences catalyzing transformations known from metabolic pathways but also generated novel ribozymes for typical organic reactions. We were interested in 1,3-dipolar cycloaddition reactions, which are important tools for the...
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