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A Sneak Peek, Genome-Style

While DNA barcodes have become popular for species identification, researchers from Concordia University in Canada report in PLoS One that these short sequences can also give a preview of what the whole genome may contain — at least for mitochondria. Still, the authors say, this may be useful for all those unsequenced genomes still out there.

The Scan

Gone, But Now Reconstructed SARS-CoV-2 Genomes

In a preprint, a researcher describes his recovery of viral sequences that had been removed from a common database.

Rare Heart Inflammation Warning

The Food and Drug Administration is adding a warning about links between a rare inflammatory heart condition and two SARS-CoV-2 vaccines, Reuters reports.

Sandwich Sampling

The New York Times sent tuna sandwiches for PCR analysis.

Nature Papers Describe Gut Viruses, New Format for Storing Quantitative Genomic Data, More

In Nature this week: catalog of DNA viruses of the human gut microbiome, new dense depth data dump format to store quantitative genomic data, and more.