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This Week in PNAS

In PNAS this week, researchers from California report their approach to imaging glycans to enable visualization in the enveloping layer during the early stages of zebrafish embryogenesis. The researchers microinjected the embryos with azidosugars at the one-cell stage and detected the metabolically labeled glycans with copper-free click chemistry.

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Matt Hancock, the UK health secretary, is calling for the swift rollout of predictive genetic tests, the Guardian reports.

A WHO panel is calling for a global registry of human germline gene-editing projects, according to Stat News.

Vox writes that lab mishaps involving pathogens are quite common.

In Genome Biology this week: analysis of wild and cultivated peach genomes, Hi-C-based pipeline for assembling microbial genomes from metagenomic data, and more.