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7 Cards in this Set

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Phenoloxidase
aggregates with surface particles of foreign bodies, produces melanin to encapsulate organism, melanin and quinones toxic to microorganism
What insects usually have PO cascade involved in encapsulation?
Insects with few hemocytes (homopterans/dipterans)
Antimicrobial peptides (AMPs)
Interacts with lipid bilayer of bacterial walls, distrupts bacterial membranes, fairly specific

Insect immunity overview

Innate immunity (Toll-like receptors), cellular response and systemic response

Cellular immune response

Plasmocytes (phagocytosis), crystal cells (antimicrobial particles and melanizatiin), llamelocytes (encapsulate parasitic wasp eggs)

Systemic immune response

Recognize microbes, produce AMPs fairly specific

Which hemocytes are only in larval flies?

Crystal cells, lamellocytes (parasitoid defence)