Table 5. Transcription factors in different eukaryotic species.
| Family | N. oceanica | C. reinhardtii | A. thaliana | H. sapiens | C. elegans | S. cerevisiae |
| ABI3VP1 | 1 | 59 | ||||
| AP2-EREBP* | 6 | 11 | 160 | |||
| ARR-B | 1 | 15 | ||||
| bHLH | 6 | 4 | 160 | 154 | 50 | 7 |
| BSD | 1 | 2 | 12 | ND | ND | ND |
| bZIP | 8 | 7 | 93 | 59 | 39 | 12 |
| C2C2-CO-like | 1 | 19 | ||||
| C2C2-Dof | 1 | 42 | ||||
| C2C2-GATA | 6 | 30 | 15 | 14 | 10 | |
| C2H2 (Zn) | 1 | 5 | 104 | 644 | 150 | 39 |
| C3H (Zn) | 4 | 15 | 75 | 85 | 40 | 7 |
| CCAAT | 10 | 8 | 53 | 25 | 12 | 10 |
| CPP (Zn) | 4 | 1 | 9 | 4 | 2 | |
| CSD | 1 | 4 | 16 | 5 | ||
| E2F-DP | 3 | 6 | 11 | 18 | 7 | |
| FHA | 12 | 12 | 17 | 44 | 12 | 14 |
| G2-like | 4 | 48 | ||||
| HB | 1 | 97 | 299 | 107 | 7 | |
| HSF | 4 | 2 | 23 | 6 | 1 | 5 |
| LFY* | 1 | 1 | ||||
| MADS | 2 | 122 | 9 | 2 | 4 | |
| mTERF | 4 | 1 | 36 | ND | ND | ND |
| MYB | 17 | 11 | 161 | 19 | 7 | 3 |
| MYB-related | 12 | 14 | 90 | 36 | 12 | 12 |
| PBF-2-like | 1 | 4 | ||||
| PLATZ | 3 | 13 | ||||
| RWP-RK | 14 | 14 | ||||
| SBP | 21 | 17 | ||||
| Sigma70-like | 5 | 1 | 6 | |||
| TAZ | 2 | 2 | 9 | 4 | 6 | |
| TIG | 2 | 2 | ND | ND | ND | |
| Tub | 3 | 3 | 12 | 6 | 2 | |
| WRKY | 1 | 84 | ||||
| Zn-clus (Zn) | 9 | ND | ND | ND |
Plant-specific TF families are in italics. (Zn) indicates the zinc-coordinating transcription factor families. ND, not determined.
*
Plant-Specific TF families found in N. oceanica.