TABLE 2.
Frequency and phylogenetic affiliations of North Sea isolatesa
| Phylogenetic group | No. (%) of isolates | Next relative to isolatesb | % 16S rRNA similarity |
|---|---|---|---|
| Bacteria | 145 (100) | ||
| Cyt/Flac | 9 (6.2) | ||
| Flexibacter | 2 | Cytophaga marinoflavaM58770 | 98.0 |
| 2 | Marine bacterium strain E110 AF052742 | 96.0 | |
| 2 | C. uliginosaM28238 | 93.6 | |
| 1 | Melosira-colonizing bacterium strain IC166 | 97.3 | |
| 1 | Flavobacterium salegenesM92279 | 92.7 | |
| Cytophaga johnsonae | 1 | Flavobacterium columnareM58781 | 96.2 |
| High GC, gram positive | 1 (0.7) | ||
| Arthrobacter | 1 | Micrococcus luteusM38242 | 99.3 |
| α-Proteobacteria | 11 (7.6) | ||
| Roseobacter | 8 | ||
| Group A | 7 | R. algicola | 94.0 |
| Group B | 1 | Unidentified alpha proteobacterium strain AF022392 | 95.7 |
| Sphingomonas | 3 | Sphingomonas sp. U85838 | 93.5 |
| ɛ-Proteobacteria | 2 (1.4) | ||
| Arcobacter | 2 | A. nitrofigilisL14627 | 98.6 |
| γ-Proteobacteria | 122 (84.1) | ||
| Pseudoalteromonas | 29 | P. atlanticaX82134 | 99.7 |
| Vibrio | 15 | V. splendidusZ31659 | 99.0 |
| Alteromonas | 18 | ||
| Group A | 10 | A. macleodiiX82145 | 97.8 |
| Group B | 8 | Colwellia psychroerythrusAB011364 | 94.5 |
| Oceanospirillum | 9 | O. commune ATCC 27118 | 95.7 |
| NOR1 | 2 | Unculturable Mariana eubacterium clone D87345 | 98.6 |
| NOR2 | 31 | ||
| Group A | 22 | Facultative barophile strain CNTP3 U91588 | 95.6 |
| Group B | 9 | Pseudoalteromonas haloplanktisD11172 | 92.9 |
| NOR3 | 2 | Unidentified gamma proteobacterium clone AB004573 | 94.0 |
| NOR4 | 1 | Clone of aggregate 47 L10949 | 87.0 |
| Marinobacter | 4 | Marinobacter sp. strain PCOB-2 AJ000647 | 98.1 |
| Halomonas | 9 | H. variabilisU85873 | 98.2 |
| Photobacterium | 1 | Photobacterium sp. strain SS9 U91586 | 95.2 |
| Shewanella | 1 | S. putrefaciensU91593 | 96.1 |
a
Obtained in September and November 1997 and February and August 1998.
b
In the ARB database.
c
Cytophaga-Flavobacterium cluster.