Researchers led by the University of North Carolina, Chapel Hill's Karen Mohlke report on analyzing exome array data to find new loci and low-frequency variants associated with insulin processing and secretion in Nature Genetics this week. Mohlke and her colleagues drew on data obtained using the Illumina HumanExome Beadchip from 8,229 Finnish men who did not have diabetes.

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Jay Shendure and his colleagues have developed a new method to more comprehensively identify human cell types, the NY Times reports.

Researchers in the UK and Japan have shown that infertility in mice with three sex chromosomes can be overcome, according to the Guardian.

China is embracing preimplantation genetic diagnosis, Nature News reports. 

In PLOS this week: host genetic factors associated with cervical neoplasia progression, population patterns for an ancient flowering rainforest plant, and more.