Melanosis coli** Melanosis coli is a benign, reversible condition characterized by brown black pigmentation of the colonic mucosa, most often due to chronic use of anthraquinone laxatives. The discoloration is caused Drosophila are hosts to the first described parasitoid wasp of adult flies Nature Cellular encapsulation and melanization are enhanced by immulectins, pattern recognition receptors from the tobacco hornworm Manduca sexta ScienceDirect Extracellular vesicles secreted by Brugia malayi microfilariae modulate the melanization pathway in the mosquito host Scientific Reports Extracellular matrix protein N glycosylation mediates immune self tolerance in Drosophila melanogaster PNAS