Table 4.
Epibiotic bacterial strains isolated from diatom cells in culture and their closest cultivated relative identified by Blastn.
| Diatom host | Strain (n) | Phylum/class | Order | Family | Species | 16S rRNA similarity (%) |
|---|---|---|---|---|---|---|
| C. danicus RCC 2565 | KC05A (17) | Alphaproteobacteria | Caulobacterales | Hyphomonadaceae | Algimonas ampicilliniresistens | 98 |
| KC39 (2) | Rhodobacterales | Rhodobacteraceae | Sulfitobacter dubius | 99.9 | ||
| KC25 (11) | Gammaproteobacteria | Alteromonadales | Alteromonadaceae | Marinobacter sediminum | 99.8 | |
| KC36 (1) | Marinobacter lipolyticus | 99.8 | ||||
| KC86 (1) | Silicimonas algicola | 100 | ||||
| T. delicatula RCC 2560 | KC04 (1) | Alphaproteobacteria | Sphingomonadales | Erythrobacteraceae | Altererythrobacter ishigakiensis | 97.9 |
| KC12 (26) | Erythrobacter gaetbuli | 98 | ||||
| KC18 (1) | Erythrobacter citreus | 98.3 | ||||
| KC90 (15) | Rhodobacterales | Rhodobacteraceae | Silicimonas algicola | 100 | ||
| KC10 (10) | Paracoccus aminophilus | 96.7 | ||||
| KC17B (1) | Paracoccus stylophorae | 97.8 | ||||
| KC38C (1)KC16 (3) | Gammaproteobacteria | Alteromonadales | Alteromonadaceae | Sulfitobacter dubiusMarinobacter salarius | 99.999.9 | |
| KC31 (3) | Marinobacter sediminum | 100 | ||||
| KC14 (3) | Flavobacteriia | Flavobacteriales | Flavobacteriaceae | Tenacibaculum sp | 95 | |
| KC02 (1) | Actinobacteria | Actinomycetales | Micrococcaceae | Kocuria rosea | 99.7 | |
| KC23 (1) | Micrococcus yunnanensis | 99.4 | ||||
| KC03 (1) | Nocardioidaceae | Nocardioides furvisabuli | 99.6 | |||
| KC24 (1) | Dermacoccaceae | Dermacoccus nishinomiyaensis | 98.8 |
aNumber of individual diatom cell carrying the corresponding bacterial isolate; bbased on partial sequences >663 bp.