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Trends Biochem Sci. 1994 Nov;19(11):509-13.

Signal transduction in the early Drosophila embryo: when genetics meets biochemistry.

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Howard Hughes Medical Institute, Department of Genetics, Harvard Medical School, Boston, MA 02115.


An elegant combination of genetic and biochemical approaches has been used to investigate a variety of signal transduction pathways in developmental processes. Here, we describe the 'terminal' signaling system in the Drosophila embryo, which is responsible for pattern formation in the polar regions of the embryo. This pathway involves a membrane-bound receptor tyrosine kinase (RTK) that is similar to other Drosophila RTKs, such as sevenless, and the mammalian RTKs, such as the epidermal growth factor or platelet-derived growth factor receptors.

[Indexed for MEDLINE]

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