A group of German researchers led by Pawel Smialowski and Philipp Pagel created a database, called the Negatome, of protein interactions that are unlikely to occur. As the report in Nucleic Acids Research, they scoured the literature for evidence against physical interactions of proteins and also analyzed protein complexes deposited in the Protein Data Bank to come up with their database, which may be found here.

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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.