TABLE 2.
Microbial morphotypes observed microscopically and sequences retrieved which might correspond to them
| Population (genus) | Morphology | Cell size (μm) | DGGE sequence | Closest relative in database | % Similaritya |
|---|---|---|---|---|---|
| Synechococcus | Coccus | 1.5-2.0 | DGGE-2, CYA-1 | Synechococcus sp. strain PCC6307 | 97.1 |
| Synechococcus | Coccus | 1.5-2.0 | DGGE-7, CYA-2 | Synechococcus sp. strain PCC6307 | 98.1 |
| Chlorobium | Rod | 0.8 by 2.0-2.5 | DGGE-5 | Chlorobium phaeobacteroides | 95.2 |
| Thiocystis | Rod | 2.0-4.0 by 4.0-6.0 | DGGE-6 | Thiocystis minor | 93.7 |
| Thiocystis | Rod | 2.0-4.0 by 4.0-6.0 | DGGE-8 | Thiocystis minor | 93.0 |
| Cryptomonas | Chloroplast | 15 by 30 | CYA-3 | Cryptomonas sp. | 95.1 |
| Cryptomonas | Chloroplast | 15 by 30 | CYA-4 | Cryptomonas sp. | 95.2 |
| Pseudanabaena | Filaments | 2.5 by 35 | CYA-5 | Pseudanabaena limnetica | 97.0 |
| Cytophaga | Unknown | Unknown | DGGE-3 | Cytophaga WCHB | 93.3 |
| Cytophaga | Small rod, coccus | 0.5-0.8 | DGGE-1 | Cytophaga fermentans | 88.2 |
| Cytophaga | Unknown | Unknown | DGGE-4 | Cytophaga fermentans | 88.6 |
a
The percent similarity of the 16S rRNA sequence to the closest relative in the database.