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In Science this week, researchers at the University of Arizona report that a lateral transfer of fungal genes underlies the red pea aphid's ability to produce carotenoids. Nancy Moran and Tyler Jarvik found that the aphid genome "encodes multiple enzymes for carotenoid biosynthesis" by performing phylogenetic analyses, they were able to show that red aphids have a 30-kb region encoding a single carotenoid desaturase derived from fungal genes, which green aphids do not have.

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The US Food and Drug Administration is to announce stricter standards for emergency authorizations of SARS-CoV-2 vaccines, reports the Washington Post.

The Associated Press reports Johnson & Johnson is starting a late-stage clinical trial of its candidate SARS-CoV-2 vaccine.

Bloomberg reports the budget of Operation Warp Speed is actually $18 billion, higher than the number typically cited.

In Genome Research this week: genomic analysis reveals role of super-spreaders in SARS-CoV-2, epigenetic drivers of cancer, and more.