Table 2.
Number of Orthologous Genes Found between Hydra viridissima and H. vulgaris, and Their Regulation in Symbiotic Polyps Relative to Aposymbiotic Polyps
| Total number of orthologous genes |
H. viridissima |
H. vulgaris |
||
|---|---|---|---|---|
| Regulationa,b | Number of genes | Regulation | Number of genes | |
| 9,934 | Up | 1,553 | Up | 65 |
| Non | 1,124 | |||
| Down | 364 | |||
| Non | 6,993 | Up | 390 | |
| Non | 5,935 | |||
| Down | 668 | |||
| Down | 1,388 | Up | 126 | |
| Non | 1,150 | |||
| Down | 112 | |||
a
In all cases, differential gene expression was significant at a false discovery rate (FDR) ≤ 0.1.
b
“Up,” significantly upregulated in the symbiotic state; “Non,” not significantly up- or downregulated in the symbiotic state; “Down,” significantly downregulated in the symbiotic state.