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Roche Applied Science s X-tremeGene siRNA Transfection Reagent

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Roche Applied Science has recently introduced the X-tremeGene siRNA transfection reagent.

According to the company, the reagent is an optimized formulation that forms a complex with siRNA, as well as with mixtures of siRNA and plasmid DNA. The transfection complex efficiently delivers the nucleic acids into animal cells to induce gene silencing, achieving more than 90 percent knockdown in many cell types, the company added.

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.