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Nucleotides and nucleosides are not only key units of DNA/RNA that store genetic information, but are also the regulators of many biological events of our lives. By caging the key functional groups or key residues of nucleotides with photosensitive moieties, it will be possible to trigger biological events of target nucleotides with spatiotemporal resolution and amplitude upon light activation or photomodulate polymerase reactions with the caged nucleotide analogues for next-generation sequencing (NGS) and bioorthogonal labeling. This review highlights three different caging strategies for nucleotides and demonstrates the photochemical biology of these caged nucleotides.
Tang et al. (2013) studied this question.
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