TABLE 5.
Origins of the polar sequences
| Sequence(s) (cluster)a | Location | Reference |
|---|---|---|
| Antarctic sequences | ||
| C. aeruginosa NIVA-CYA 258.2 | Dronning Mauds Land | 47 |
| LPP group cyanobacterium QSSC5cya (XXII), QSSC8cya (XXI), QSSC3cya | Quartz stones, Vestfold Hills | 52 |
| Nostoc sp. strain NIVA-CYA 194 (VII) | Dronning Mauds Land | 47 |
| Oscillatoria priestleyii UTCC476 (II) | Pond, McMurdo Ice Shelf | Casamatta and Vis, unpublished data |
| Oscillatoria sp. strains Ant-G16 (I), Ant Salt, Ant-G17, Ant-Pancreas (II), Ant-SOS (XVIII) | Pond, Bratina Island, McMurdo Ice Shelf | 37 |
| Phormidium murrayi UTCC475 (VI) | Pond, McMurdo Ice Shelf | Casamatta and Vis, unpublished data |
| Phormidium sp. strains Ant-Lunch, Ant-Orange, Ant-Skua (I), Ant-Brack2, Ant-Brack3 (II) | Pond, Bratina Island, McMurdo Ice Shelf | 37 |
| Phormidium sp. strain NIVA-CYA 177 (I) | Dronning Mauds Land | 47 |
| Phormidium subfuscum UTCC474 (I) | Lake, McMurdo Ice Shelf | Casamatta and Vis, unpublished data |
| Synechococcus-like strains ACE, PENDANT, ABRAXAS (XVII) | Lakes, Vestfold Hills | 64 |
| Uncultured clones CLEAR, PENDANT (XVII) | Lakes, Vestfold Hills | 6 |
| Uncultured clones CSC9, CSC22, CSC28 (VI), CSC4, CSC14, CSC17 (IX), CSC1 (XI) | Cryoconite holes, Canada Glacier, McMurdo Dry Valleys | 12 |
| Uncultured clones LB3-47, LB3-80 (VI), LB3-7, LB3-76 (IX), LB3-64, LB3-53 (VIII), LB3-46, LB3-75 (XII), LB3-I (XXI) | Ice cover of Lake Bonney, McMurdo Dry Valleys | 44 |
| Uncultured clones QSSC3-B, QSSC8L-4, QSSC8L-6 and QSSC8L-8 (XV), QSSC9L-4, QSSC9L-3, QSSC8L-15, QSSC8L-2, QSSC8L-3 (XIX), QSSC8L-5 (XXII), QSSC5-B (XX), QSSC9L-13 (XXI) | Quartz stones, Vestfold Hills | 52 |
| Arctic sequences | ||
| Nostoc sp. strain NIVA-CYA 308 (VII) | Norwegian arctic | 47 |
| Oscillatoria sp. strain E17 (I) | Pond, Canadian arctic | 37 |
| Phormidium sp. strain E18 (XIII) | Pond, Canadian arctic | 37 |
| Phormidium sp. strain NIVA-CYA 203 (I), NIVA-CYA 202 (II) | Norwegian arctic | 47 |
| Synechococcus-like strains P212 (XVI), P211 (XVII) | Ponds, Bylot Islands, high Canadian arctic | 64 |
| Uncultured clone ikaite un-c15 (II) | Ikaite tuffa column, Ikka Fjord, Greenland | 57 |
a
See Fig. 2 for clusters.