Loosely connected networks of genes and proteins coordinate early embryo development in the roundworm C. elegans (bottom right). Individual groups or clusters of molecules that work together--dubbed "molecular machines" by the researchers--operate at specific times during the process (shown as interconnected nodes in the bottom panel). The top panel depicts the first two cell divisions of the C. elegans embryo. Colored nodes in the bottom panel represent active regions of the network during these steps.
Credit: Nicolle Rager Fuller
How does a multi-cellular organism with specialized organs and tissues develop from a single cell? A team of genomics researchers has moved closer to answering this question by creating the first comprehensive diagram of the molecular interactions that orchestrate early embryo development.
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National Science Foundation. "Worm Studies Give Researchers New Perspective On Embryo Formation." ScienceDaily. ScienceDaily, 14 August 2005. <www.sciencedaily.com/releases/2005/08/050811085558.htm>.
National Science Foundation. (2005, August 14). Worm Studies Give Researchers New Perspective On Embryo Formation. ScienceDaily. Retrieved March 7, 2014 from www.sciencedaily.com/releases/2005/08/050811085558.htm
National Science Foundation. "Worm Studies Give Researchers New Perspective On Embryo Formation." ScienceDaily. www.sciencedaily.com/releases/2005/08/050811085558.htm (accessed March 7, 2014).