The expanding world of DNA and RNA

T. Chen, N. Hongdilokkul, Z. Liu, D. Thirunavukarasu, F.E. Romesberg, Curr. Op. Chem. Biol. (2016) 34:80–87.
pubpic2016bchenWe review nucleotide modifications, such as those to phosphate and sugar moieties that increase nuclease resistance or the range of activities possible, as well as whole nucleobase replacement that results in selective pairing and the creation of unnatural base pairs. Both in vitro and in vivo examples are discussed, including efforts to create semi-synthetic organisms with altered or expanded genetic alphabets.

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