Wednesday, February 18, 2009


The long and short of RNAs

"The known world of RNA is expanding faster than that of any other cellular building block. The latest additions are types of long and short non-coding RNAs formed by bidirectional transcription and unusual processing. The relationship between DNA, RNA and protein is no longer as simple as we once thought — that specific genomic sequences are transcribed into messenger RNAs, which are then translated into proteins. In recent years, a flurry of studies has reported the existence of a large and growing family of non-protein-coding RNAs (ncRNAs), describing the different mechanisms of their transcription and their role in regulating gene expression." Full article @ Nature

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