This Week in PLOS

In PLOS Genetics, researchers from the University of Kentucky and the Salk Institute explore the mechanisms of programmed genome rearrangements that occur in the sea lamprey, Petromyzon marinus, during development. The team used labeled immunofluorescent antibodies to follow methylation and histone marks during sea lamprey development, which involves the loss of some 20 percent of the sea lamprey genome from somatic cell lineages.

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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.