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Mulinari, S., Hacker, U., Castillejo-Lopez, C. (2006). Expression and regulation of Spatzle-processing enzyme in Drosophila.  FEBS Lett. 580(22): 5406--5410.
FlyBase ID
FBrf0192112
Publication Type
Research paper
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.

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    Language of Publication
    English
    Additional Languages of Abstract
    Parent Publication
    Publication Type
    Journal
    Abbreviation
    FEBS Lett.
    Title
    FEBS Letters
    Publication Year
    1968-
    ISBN/ISSN
    0014-5793
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