%0 Journal Article %T Robbing Host Phosphatidic Acid to Survive: A Strategy of a Fly Parasite. %A Coppens I %J Trends Parasitol %V 35 %N 5 %D 05 2019 %M 30930263 %F 10.528 %R 10.1016/j.pt.2019.03.006 %X Drosophila flies can be infected by an obligate fungal intracellular parasite, Tubulinosema ratisbonensis, resulting in a swollen abdomen and often death. Within the fly, the parasite multiplies in the cytoplasm of adipocytes of the fat body, feeds on host lipid droplets, and has a specific requirement for dietary phosphatidic acid.