This Week in PNAS

In the PNAS Early Edition this week, a team led by researchers at the University of Nebraska-Lincoln shows that "individuality in gut microbiota composition is a complex polygenic trait shaped by multiple environmental and host genetic factors." Namely, using quantitative pyrosequencing of the microbiota in 645 intercross line mice, the team found a core measurable microbiota of 64 taxonomic groups, within which they identified "co-segregation with 530 fully informative SNP markers" and "18 host quantitative trait loci that show significant or suggestive genome-wide linkage with re

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CNBC reports that Amazon invested in the startup Grail as it sees an opportunity for its cloud computing company in genomics.

Lawrence Krauss writes at Slate that science is needed for good public policy and should not be ignored.

Researchers are working on re-making the yeast genome from scratch, according to the Associated Press.

In Cell this week: functional profiling of Plasmodium genome, a self-inactivating rabies virus, and more.