This Week in Nucleic Acids Research | GenomeWeb

Imperial College researchers Leandro Castellano and Justin Stebbing report on microRNAs and small interfering RNAs in mammalian tissues. The researchers sifted through hundreds of millions of mouse RNA sequences representing a range of somatic tissues and cell types. The search led to more than five dozen new miRNA coding loci in the mouse genome, including sites producing so-called "mirtrons," or pre-miRNA hairpins produced through intron splicing.

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An opinion piece in the New York Times urges lawmakers to keep genetic protections in place.

Research funding in Canada is to remain mostly the same, ScienceInsider reports.

In Science this week: random DNA replication errors play role in cancer, and more.

The Bill and Melinda Gates Foundation embarks on an open-access publishing path.