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Evolutionary biology

Small regulatory RNAs pitch in

How did organismal complexity evolve at a cellular level, and how does a genome encode it? The answer might lie in differences, not in the number of genes an organism has, but rather in the regulation of gene expression.

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Figure 1: Animal miRNAs and morphological complexity.


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Technau, U. Small regulatory RNAs pitch in. Nature 455, 1184–1185 (2008).

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