This Week in PNAS

In PNAS this week, European scientists studied how cytoskeleton proteins affect viral DNA replication in bacteria. Using fusion proteins and fluorescence microscopy, they were able to show that the actin-like MreB cytoskeleton protein of E. coli and Bacillus subtilis is required for efficient viral DNA replication. It works by localizing the B. subtilis phage DNA and replication machinery to the cell membrane.

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The London School of Economics' Daniele Fanelli argues at the Proceedings of the National Academy of Sciences that the reproducibility crisis in science isn't as dire as some say.

A team of researchers in Portugal has examined the genomic basis for racing pigeons' athleticism and navigational skills, finding it's likely polygenic.

Wired reports that diagnostic firms continue to seek, post-Theranos, the ability to diagnose diseases from small amounts of blood.

In Science this week: analysis of DNA from ancient North Africans, and more.