Gene expression pattern
Expression patterns of two new members of the Semaphorin family in Drosophila suggest early functions during embryogenesis

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Abstract

We report the sequence and expression analysis of two new Drosophila members of the Semaphorin family. Both proteins show the presence of Semaphorin domains and transmembrane domains. Both genes are expressed maternally and in embryos, and reveal distinct expression patterns much earlier than the onset of neurogenesis. We also present an overview of the domain structure of all so far known semaphorins in Drosophila. Furthermore, we compared all Drosophila and C. elegans Semaphorins and discuss them in the light of their evolution.

Keywords

Drosophila
Semaphorin
Embryogenesis
Evolution

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