Table 1. Genes that are either up-regulated or down-regulated in both male and female flies infected with the sigma virus.
| Change in expression | Gene name |
| down | CG9350 |
| down | Ribosomal protein LP1 |
| down | CG6020 (NADH dehydrogenase) |
| down | CG2875 |
| down | CG1648 |
| down | Serine protease 6 |
| down | CG18594 |
| down | Defensin |
| down | CG12231 |
| down | CG8311 (dolichol kinase) |
| down | Ribosomal protein L13A |
| down | CG7675 |
| down | CG9572 |
| down | Antigen 5-related |
| down | tre oncogene-related protein |
| down | CG18179 (serine protease) |
| down | fau |
| down | CG4000 |
| down | CG1304 (serine protease) |
| down | Ard1 |
| down | CG9140 |
| down | yippee interacting protein 7 |
| down | CG7470 (glutamate 5-kinase) |
| down | PGRP-SC2 |
| down | CG10472 (serine protease) |
| down | Cytochrome P450-6a2 |
| down | CG17108 (acetyl-CoA carboxylase) |
| down | CG3088 (serine protease) |
| down | CG12736 (GTPase) |
| down | CG12057 |
| down | CG11314 |
| down | CG8343 (mannose binding) |
| up | rotund |
| up | Decondensation factor 31 |
| up | Actin 5C |
The molecular function of unnamed genes is given in brackets.