Smallest Bit Possible

Genomes are messy things with genes involved in translation in one spot and ones needed for cell replication in another, the J. Craig Venter Institute's Hamilton Smith tells the New Scientist in a Q&A.

Smith, who was part of the team that made the first synthetic genome, is trying to reduce a bacterial genome so that it contains the barest necessities for life.

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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.