Liu X, Hodgson JJ, Buchon N. Drosophila as a model for homeostatic,antibacterial, and antiviral mechanisms in the gut. PLoS Pathog. 2017 May 4;13(5):e1006277. PMID: 28472194; PMCID: PMC5417715.
This review article includes an illustrated comparison of fly and mammalian guts and their interactions with microbes such as bacteria and viruses.