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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