Turn Off Gene Regulators To Tune In To Development

Tuesday, May 20, 2008 - 21:29 in Biology & Nature

For a fertilized egg to develop into an embryo a mass of identical cells must be directed to become a large number of distinct cell types with different functions and then these cells must be organized into functional organs and tissues. The proteins that direct these crucial events control the expression of an enormous number of genes and are known as transcription factors.

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