Table 1 Phylogenetic distribution of the eukaryotic SSD scaffolds
From: Picoeukaryotic sequences in the Sargasso Sea metagenome
| Â | Â | Number of SSD sequences | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Supergroup | Group | 18S rRNA | 28S rRNA | EF1a | EF2 | RPB1 | actin | α-tubulin | β-tubulin | cox1 | rbcL |
Total | Â | 38 | 41 | 11 | 4 | 30 | 12 | 13 | 15 | 11 | 4 |
Rhizaria | Cercozoa | 1 | - | - | - | 2 | 1 | - | - | - | - |
| Â | Polycystinea | 3 | 1 | - | - | - | - | - | - | - | - |
Chromalveolates | Apicomplexa | 1 | 5 | - | 1 | 1 | - | - | - | - | - |
| Â | Ciliophora | 1 | - | 1 | - | 1 | - | 3 | 3 | - | - |
| Â | Dinophyceae | 10* (3) | 11 | 1 | - | - | - | 3 | 3 | 1 | - |
| Â | Stramenopiles | 1 (1) | 6 (4) | 2 | - | - | 1 | 1 | 2 | 2 | 1 |
Excavates | Euglenozoa | 1 | - | - | 1 | - | 1 | - | 1 | - | - |
| Â | Heterolobosea | - | - | - | - | 2 | - | - | - | - | - |
Plantae | Chlorophyta | 3 (2) | 3 (3) | 2 | - | x | 1* | 1 | 1 | 4 | 1* |
| Â | Streptophyta | 1 | 1 | 3 | 2* | 7* | 2 | 2* | 2* | 3* | - |
| Â | Rhodophyta | - | - | - | - | 4 | - | - | - | - | 2 |
Unikonts | Ichthyosporea | - | 1 (1) | - | - | 1 | - | - | - | - | x |
| Â | Arthropoda | 7 | 7 (5) | 1* | - | - | 1 | - | - | - | x |
| Â | Bryozoa | 2 | 1 (1) | - | - | - | - | - | - | - | x |
| Â | Cnidaria | 4 | 2* (1) | - | - | - | - | - | - | - | x |
| Â | Fungi | 1 | 1 | - | - | 10 | 3 | - | - | - | x |
| Â | Platyhelminthes | 1 | - | - | - | 2 | - | - | - | - | x |
| Â | Urochordata | - | 1 (1) | 1 | - | - | 1 | 1 | 1 | 1 | x |
Unknown | Â | 1 (32) | 1 (25) | - | - | - | 1 | - | 2 | - | - |