This Week in PNAS

Researchers report their genome-wide association study for age-related macular degeneration in the PNAS Early Edition this week. By interrogating 2,157 cases and 1,150 controls, the team conferred AMD susceptibility loci and genotyped 30 "promising" markers in additional cohorts of up to 7,749 cases and 4,625 controls; here, they identified another susceptibility locus near TIMP3.

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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.