alexa Expression and regulation of Spätzle-processing enzyme in Drosophila.
Agri and Aquaculture

Agri and Aquaculture

Journal of Aquaculture Research & Development

Author(s): Mulinari S, Hcker U, CastillejoLpez C

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Abstract The Drosophila melanogaster Toll receptor controls embryonic dorsal-ventral axis formation and is crucial for the innate immune response. In both cases, Toll is activated by the enzymatically cleaved form of its ligand Spätzle (Spz). During axis formation, Spz is cleaved by the maternally provided serine protease Easter while the Spätzle-processing enzyme (SPE) activates Spz after infection. We confirm the role of SPE in immunity and show that it is a zygotic gene specifically expressed in immune tissues implying that the dual activation of Spz is achieved by differential spatiotemporal expression of two similar but distinct serine proteases. This article was published in FEBS Lett and referenced in Journal of Aquaculture Research & Development

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