This Week in PNAS

In a paper published online in advance in PNAS this week, an international team led by investigators at University of Medicine and Dentistry of New Jersey shows that chronic stress promotes ionizing radiation-induced tumorigenesis in p53+/− mice.

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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.