Immunology. Pathogen surveillance--the flies have it.

Animals Carrier Proteins/chemistry,genetics,metabolism Drosophila Proteins/metabolism Drosophila melanogaster/genetics,immunology,microbiology Fat Body/immunology,metabolism Gene Expression Genes, Insect Gram-Negative Bacteria/immunology,metabolism Gram-Positive Bacteria/immunology,metabolism Hemolymph/immunology,metabolism Immunity, Innate Mammals/immunology Membrane Glycoproteins/metabolism Mutation NF-kappa B/metabolism Peptidoglycan/immunology,metabolism Receptors, Cell Surface Signal Transduction Toll-Like Receptors Transcription Factors/metabolism

Carrier Proteins Drosophila Proteins Membrane Glycoproteins NF-kappa B Peptidoglycan Receptors, Cell Surface Rel protein, Drosophila Tl protein, Drosophila Toll-Like Receptors Transcription Factors peptidoglycan recognition protein