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Science 26 May 2006:
Vol. 312. no. 5777, p. 1101
DOI: 10.1126/science.312.5777.1101j
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This Week in Science

Figure 1 The path from an egg into an adult requires a complex dance of thousands of genes. Imai et al. (p. 1183; see the Perspective by Lemaire) tracked the expression of regulatory genes on a cell-by-cell basis in the developing embryo of the sea squirt, Ciona intestinalis. The authors generated a map of the network of gene interactions from which they extract information about specific developmental pathways, such as the formation of notochord, or brain. The results give a snapshot of development in an organism that stands between invertebrates and vertebrates.

CREDIT: IMAI ET AL.




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Science. ISSN 0036-8075 (print), 1095-9203 (online)