NEW YORK (GenomeWeb News) – Not one but two epidemic Clostridium difficile lineages that emerged in North America are behind hospital outbreaks at centers around the world since 2001, according to a new Nature Genetics study by a Wellcome Trust Sanger Institute-led team.

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In PNAS this week: Akt3 amplification in glioma progression, Tibetan Plateau frog genome, and more.

The US Supreme Court has declined to review a decision involving the use of "inadvertently shed" DNA in a police investigation and subsequent conviction.

A panel at the New York Times discusses anonymity and privacy of users of 23andMe's services when access to its database is offered for research.

National Institutes of Health Director Francis Collins appears before a House subcommittee to discuss his agency's budget request.