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7 Cards in this Set
- Front
- Back
Phenoloxidase
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aggregates with surface particles of foreign bodies, produces melanin to encapsulate organism, melanin and quinones toxic to microorganism
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What insects usually have PO cascade involved in encapsulation?
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Insects with few hemocytes (homopterans/dipterans)
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Antimicrobial peptides (AMPs)
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Interacts with lipid bilayer of bacterial walls, distrupts bacterial membranes, fairly specific
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Insect immunity overview |
Innate immunity (Toll-like receptors), cellular response and systemic response |
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Cellular immune response |
Plasmocytes (phagocytosis), crystal cells (antimicrobial particles and melanizatiin), llamelocytes (encapsulate parasitic wasp eggs) |
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Systemic immune response |
Recognize microbes, produce AMPs fairly specific |
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Which hemocytes are only in larval flies? |
Crystal cells, lamellocytes (parasitoid defence) |