RNA

RNA (ribonucleic acid) is a nucleic acid polymer where the carbohydrate is ribose. RNA is generally single-stranded, as DNA is transcribed by RNA polymerases into mRNA (messenger RNA), which is read by ribosomes to generate protein (translation). Biologically active RNAs, including transport, ribosomal and small nuclear RNA (tRNA, rRNA, snRNAs) fold into unique structures guided by complementary pairing between nucleotide bases.

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  • News & Views |

    Interactions between proteins and non-proteinaceous biopolymers are essential for life; however, many methods used to characterize these interactions lack precision and display significant biases. Now, a genetically encoded method employing sulfur(vi) fluoride exchange (SuFEx)-based chemical crosslinking has been developed for capturing and analysing protein–RNA and protein–carbohydrate interactions in vivo.

    • Christopher P. Watkins
    •  & Ryan A. Flynn
  • News & Views |

    DNA nanotechnology and synthetic biology both aim to expand the range of dynamic behaviours exhibited by rationally programmed biomolecules. Now, the programmability of synthetic transcriptional circuits has been improved to enable synthesis of dynamic biomolecular circuits with unmatched complexity.

    • Jongmin Kim
    •  & Friedrich C. Simmel
    Nature Chemistry 14, 1210-1211