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Innate Immunity of Plants, Animals, and Humans pp 43–72Cite as

Bug Versus Bug: Humoral Immune Responses in Drosophila melanogaster

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Part of the book series: Nucleic Acids and Molecular Biology ((NUCLEIC,volume 21))

Insects mount a robust innate immune response against a wide array of microbial pathogens. For example, the fruit fly Drosphila melanogaster uses both cellular and humoral innate immune responses to combat pathogens. The hallmark of the Drosophila humoral immune response is the rapid induction of antimicrobial peptide genes in the fat body, the homolog of the mammalian liver. Expression of these antimicrobial peptide genes is rapidly induced by two immune signaling pathways, which respond to distinct microorganisms. The Toll pathway is activated by fungal and Gram-positive bacterial infections, whereas the IMD pathway responds to Gram-negative bacteria. In this chapter, we discuss recent advances in understanding the mechanisms involved in microbial recogni-tion, signal transduction, and immune protection mediated by these pathways, highlighting similarities and differences between Drosophila immune responses and mammalian innate immunity.

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  1. Division of Infectious Diseases, Department of Medicine, University of Massachusetts Medical School, Worcester, MA 01605, USA

    Deniz Ertürk-Hasdemir, Nicholas Paquette, Kamna Aggarwal & Neal Silverman

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  1. Deniz Ertürk-Hasdemir
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  1. Department of Immunology and Cell Biology, Research Center Borstel, Parkallee 22, 23845, Borstel, Germany

    Holger Heine

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Ertürk-Hasdemir, D., Paquette, N., Aggarwal, K., Silverman, N. (2008). Bug Versus Bug: Humoral Immune Responses in Drosophila melanogaster . In: Heine, H. (eds) Innate Immunity of Plants, Animals, and Humans. Nucleic Acids and Molecular Biology, vol 21. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-73930-2_3

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