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Cold Spring Harbor Laboratory Press, Invitrogen

Cold Spring Harbor Laboratory Press this week said that its current issue of Cold Spring Harbor Protocols addresses live-cell imaging techniques.
The first protocol, available here, details a microinjection procedure to inject fluorescently labeled proteins into individual cells, CSHLP said.
The second protocol, available here, outlines the construction and use of an enclosed microscope chamber. The device is designed to optimize the cell-culture environment for microscopic viewing.
Both protocols are freely accessible, CSHLP said.

Invitrogen this week announced the availability of OptiCHO Express kits for the growth and transfection of dihydrofolate reductase-deficient Chinese hamster ovary DG44 cells in suspension culture. The kit provides a complete workflow protocol for developing stable cell lines and includes all of the necessary components for expression vector construction, high-efficiency transfection, and recombinant protein expression in a serum-free environment, Invitrogen said.

The Scan

Two J&J Doses

Johnson & Johnson says two doses of its SARS-CoV-2 vaccine provides increased protection against symptomatic COVID-19, CNN reports.

Pfizer-BioNTech Vaccine Response in Kids

The Pfizer-BioNTech SARS-CoV-2 vaccine in a lower-dose format appears to generate an immune response among children, according to the Washington Post.

Chicken Changes to Prevent Disease

The Guardian writes that researchers are looking at gene editing chickens to help prevent future pandemics.

PNAS Papers on Siberian Dog Ancestry, Insect Reproduction, Hippocampal Neurogenesis

In PNAS this week: ancestry and admixture among Siberian dogs, hormone role in fruit fly reproduction, and more.