The Four Types

The Cancer Genome Atlas reports on four breast cancer subtypes, in Nature. The researchers examined tumor and germline DNA from 825 patients using a number of different approaches, including mRNA expression microarrays DNA methylation chips, and whole-exome sequencing, among others. From this profiling, the researchers found that mutations in only three genes, TP53, PIK3CA, and GATA3, occurred in more than 10 percent of breast tumors.

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The New York Times reports that as China invests in science, it also is dealing with research fraud.

In PLOS this week: transcriptome study of a cold-tolerant plant, deep sequencing of clinical influenza A samples, and more.

The Atlantic writes that retrotransposons like BovB have proliferated in a number of genomes.

Researchers have sequenced the genome of a man who lived in China some 40,000 years ago, according to UPI.