473  Glycosylase base editors enable C-to-A and C-to-G base changes.

472  Robust direct digital-to-biological data storage in living cells.

471  Cell-free biosensors for rapid detection of water contaminants.

470  Metabolic engineering generates a transgene-free safety switch for cell therapy.

469  Sampling interstitial fluid from human skin using a microneedle patch.

468  Lateral-flow in vitro diagnostic assays based on fluorescent nanodiamonds, in which microwave-based spin manipulation is used to increase sensitivity, are demonstrated using the biotin–avidin model and by the single-copy detection of HIV-1 RNA.

467  Production of Tyrian purple indigoid dye from tryptophan in Escherichia coli.

466  A gene therapy for inherited blindness using dCas9-VPR–mediated transcriptional activation.

465  In vivo base editing restores sensory transduction and transiently improves auditory function in a mouse model of recessive deafness.

464  Development of CRISPR as an Antiviral Strategy to Combat SARS-CoV-2 and Influenza.

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