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Promega XpressAmp Direct Amplification Reagents

Promega has launched automation-friendly reagents to facilitate RNA extraction-free sample preparation, called XpressAmp Direct Amplification Reagents. The reagents allow labs to skip the RNA extraction step of a typical PCR workflow. The process consists of 10-minute lysis step with XpressAmp Lysis Buffer followed by RT-qPCR containing XpressAmp Solution. 

The Scan

Purnell Choppin Dies

Purnell Choppin, a virologist who led the Howard Hughes Medical Institute, has died at 91, according to the Washington Post.

Effectiveness May Decline, Data From Israel Suggests

The New York Times reports that new Israeli data suggests a decline in Pfizer-BioNTech SARS-CoV-2 vaccine effectiveness against Delta variant infection, though protection against severe disease remains high.

To See Future Risk

Slate looks into the use of polygenic risk scores in embryo screening.

PLOS Papers on Methicillin-Resistant Staphylococcus, Bone Marrow Smear Sequencing, More

In PLOS this week: genomic analysis of methicillin-resistant Staphylococcus pseudintermedius, archived bone marrow sequencing, and more.