This Week in Cell

A large international team including members of the Cancer Genome Atlas Research Network describes the somatic alterations identified in more than 500 glioblastoma tumors. As part of their integrated analysis of the brain cancer, researchers brought together whole-exome sequence data for 291 glioblastomas, RNA sequence profiles for 164 of the tumors, and whole-genome sequence data for 42 more. They also considered copy number, microRNA, expression, and other profiles obtained by array-based approaches.

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In Nature this week: omic analysis of permafrost microbes, hookworm genome, and more.

Biologists turn to environmental DNA sampling to determine whether elusive or invasive species are shedding DNA in a given area.

Rob Knight writes at Scientific American that microbiome studies are about to break out of the laboratory.

Harold Varmus, the director of the National Cancer Institute, has announced that he is stepping down after nearly five years.