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You Never Have to Eat, But You Have a Greenish Tinge

Harvard's Pamela Silver is studying cyanobacteria to figure out how to use them to produce fuel, but also for "a more fantastical use," reports Technology Review's blog. As Silver reported at a recent conference, her team inserted cyanobacteria that was labeled fluorescently into zebrafish embryos and watched the fish — and bacteria — grow. "When we put E. coli into fish, they blew up, but they are extremely tolerant of cynabacteria," Silver said, according to Tech Review. The zebrafish didn't get enough energy from the cyanobacteria to survive without other energy sources, but the researchers are working on that.

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.