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A Good Way to Save Money

Bitesize Bio takes you through a protocol to make your very own competent E. coli cells, which can be pretty expensive to buy. "One morning's work (with a bit of work ahead of time) is all it takes to make great electrocompetent E. coli prep," Nick writes, adding that you'd be able to get competencies of 1x1010, with a little practice. Some tips include: keeping everything fresh and chilled at all times, washing the cells in glycerol, starting with a lot of cells, and washing the glassware by hand before autoclaving to make sure that there is no detergent.

 

The Scan

Rise of BA.5

The New York Times reports that the Omicron subvariant BA.5 has become the dominant version of SARS-CoV-2 in the US.

UK Health Secretary Resigns

Sajid Javid, the UK health secretary, resigned along with Chancellor Rishi Sunak, saying they cannot work with Prime Minister Boris Johnson's government, CNN reports.

Clones From Freeze-Dried Cells

A team in Japan has cloned mice from freeze-dried skin cells, according to the Guardian.

Genome Research Papers on Craniosynostosis, Macaque Retrotransposition, More

In Genome Research this week: structural variants in craniosynostosis, LINE-1 activity in rhesus macaque brain, and more.