This Week in PLoS

An international team led by investigators at China's Huazhong Agricultural University presents an analysis of 20 Mycoplasma genomes in PLoS One this week. In its investigation, the team found "several key genes, which are related to DNA replication and repair and can be disrupted in transposon mutagenesis studies, [that] may be critical for bacteria survival especially over long period natural selection," it writes.

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The US Food and Drug Administration has approved Kite Pharmaceuticals' CAR T-cell therapy for large B-cell lymphomas, the New York Times reports.

Kaiser Health News reports that gene therapies could cost more than a million dollars.

Worcester Polytechnic Institute researchers have received a grant to combine biology and computer science for high school students.

In Nature this week: variants associated with obsessive-compulsive disorder, review of key CRISPR enzymes, and more.