Biology
A Molecular 'Atlas' of Animal Development
In a paper in Science this week, Penn researchers report the first detailed molecular characterization of how every cell changes during animal embryonic development. The work, led by the laboratories of Perelman School of Medicine's John I. Murray, the School of Arts and Sciences' Junhyong Kim, and Robert Waterston of the University of Washington (UW), used the latest technology in the emergent field of single-cell biology to profile more than 80,000 cells in the embryo of the nematode Caenorhabditis elegans.
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