This Week in PLOS

In PLOS Genetics, Danish researchers describe findings from a genomic analysis of bacteria from a Pseudomonas aeruginosa lineage capable of being passed from one individual infected with cystic fibrosis to another. The team sequenced 55 P. aeruginosa isolates found in 21 Danish cystic fibrosis patients over nearly four decades, from 1972 to 2008.

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Publication of He Jiankui's work on gene-edited infants would raise ethical concerns for journals, Wired and others report.

The New York Times reports that evidence linking trauma in one generation to epigenetic effects that influence subsequent generations may be overstated.

ScienceInsider reports that US National Institutes of Health researchers were told in the fall they could not obtain new human fetal tissue.

In PNAS this week: skin pigmentation evolution among KhoeSan, biomarkers for dengue virus progression, and more.