Rotted in the Ground

Genomic analysis of Phytophthora infestans, which causes potato late blight, indicates that one particular strain contributed to the Great Famine in Ireland in the 1840s. An international team of researchers performed shotgun sequencing of 11 herbarium samples of infected potato and tomato leaves that were collected in continental Europe, Great Britain, Ireland, and North America between 1845 and 1896 that they then compared to 15 modern strains of P. infestans.

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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.