Revealing the Dark Matter of the Genome

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Science  24 Dec 2010:
Vol. 330, Issue 6012, pp. 1758-1759
DOI: 10.1126/science.1200700

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Animal embryos successfully transform the two-dimensional code of their genome into multidimensional organisms that are ready to meet the challenge of natural selection. In addition to the three dimensions of the body, animal genomes inform additional dimensions: of cells coordinating to form tissues, tissues functioning together as organs, and organs shaping the body's systems; and of individuals responding appropriately to the varied challenges of life and surviving to breed. Poisons in food are detoxified, pathogens are killed, parasites are eliminated, and predators avoided through the deft employment of responses encoded in the genome. It is not currently possible to compute an organism from its genome, performing the transformation so efficiently executed by embryos, but two articles in this issue, by Gerstein et al. on page 1775 (1) and the modENCODE Consortium on page 1787 (2), bring this goal closer.