This Week in PLOS

Researchers from São Paulo University have linked a microdeletion in chromosome 15 to obsessive-compulsive disorder, as they report in PLOS One this week. Using array-based comparative genomic hybridization in their pilot study of 16 patients with early onset OCD and 12 controls, the researchers uncovered a 64 kilobase deletion in chromosome 15q13.3 from one male patient with very early onset OCD.

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Researchers have sequenced the northern white rhinoceros to gauge whether it could be brought back from the edge of extinction, the New York Times reports.

Bavaria expands its forensic genetic analyses to include DNA phenotyping, raising discrimination concerns.

Tufts University researchers found a role for miRNA in transmitting stress between generations, the Economist reports.

In Science this week: gut microbiome influences liver cancer growth, spread; and more.