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RNAi and GMO...That Might Be Too Many Letters

Researchers at Monsanto and other companies are working on ways to create genetically modified crops that would induce RNAi in specific pests, reports MIT’s Technology Review. Nature Biotechnology published two papers recently showing that in some insects, simply eating double-stranded RNA effects gene silencing. The new GMO plants, researchers hope, will kill the pests more effectively than Bt toxin.

The Scan

Missed Early Cases

A retrospective analysis of blood samples suggests early SARS-CoV-2 infections may have been missed in the US, the New York Times reports.

Limited Journal Editor Diversity

A survey finds low diversity among scientific and medical journal editors, according to The Scientist.

How Much of a Threat?

Science writes that need for a provision aimed at shoring up genomic data security within a new US bill is being questioned.

PNAS Papers on Historic Helicobacter Spread, Brain Development, C. difficile RNAs

In PNAS this week: Helicobacter genetic diversity gives insight into human migrations, gene expression patterns of brain development, and more.