This Week in PNAS

In a study slated to appear online this week in the Proceedings of the National Academy of Sciences, researchers from the Rockefeller University used a metagenomic sequencing-based method to find new natural product-producing genes in soil microbial communities. After isolating microbial DNA from a soil sample, the team created a clone library that was then assessed by amplicon sequencing and subsequently compared with known natural product-related genes.

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Researchers find that historical factors influence which genes are the most highly studied, the Atlantic reports.

The US National Science Foundation's new sexual harassment policy is to go into effect next month, according to Nature News.

Researchers report using genotyping to tie together illegal ivory shipments and trace them back to a handful of cartels, the New York Times reports.

In Nature this week: genomic ancestry analysis of Sardinians, current noncoding mutations in colorectal cancer, and more.