Table 3.
Comparison of different approaches to measure Irgarol 1051 toxicity using phytoplankton growth inhibition tests and different whole-cell biosensors
| Test and/or sample type or indicator | Organism name (phylum or division) | EC50 (μg/liter) | Time (h) | Reference |
|---|---|---|---|---|
| Phytoplankton growth inhibition | ||||
| Marine water | Tetraselmis sp. (Chlorophyta) | 0.12 | 72 | 7 |
| Synechococcus sp. (Cyanobacteria) | 0.16 | 72 | 35 | |
| Emiliania huxleyi (Haptophyta) | 0.25 | 72 | 35 | |
| Thalassiosira weisflogii (Bacillariophyta) | 0.30 | 72 | 7 | |
| Emiliania huxleyi (Haptophyta) | 0.41 | 72 | 7 | |
| Chaetoceros gracilis (Bacillariophyta) | 0.49 | 96 | 37 | |
| Fibrocapsa japonica (Raphidophyta) | 0.62 | 72 | 7 | |
| Dunaliella tertiolecta (Chlorophyta) | 1.17 | 96 | 38 | |
| Ostreococcus tauri (Chlorophyta) | 3.63 | 48 | This study | |
| Freshwater | Navicula accomoda (Bacillariophyta) | 0.5 | 96 | 38 |
| Chlamydomonas intermedia (Chlorophyta) | 0.5 | 144 | 41 | |
| Nitszchia sp. (Bacillariophyta) | 0.8 | 96 | 41 | |
| Chlorella vulgaris (Chlorophyta) | 1.5 | 96 | 41 | |
| Staurastrum sebaldii (Zygnematophyceae) | 2.5 | 144 | 41 | |
| Pseudokirchneriella subcapitata (Chlorophyta) | 3.3 | 96 | 41 | |
| Scenedesmus acutus (Chlorophyta) | 5.1 | 96 | 41 | |
| Selenastrum capricornutum (Chlorophyta) | 10.8 | 72 | 3 | |
| Raphidocelis subcapitata (Chlorophyta) | 11 | 72 | 35 | |
| Asterionella formasa (Bacillariophyta) | >253 | 96 | 41 | |
| Whole-cell biosensor | ||||
| CDKA-Luc | Ostreococcus tauria | 0.76 | 48 | This study |
| 0.42 | 72 | This study | ||
| Microtox | Vibrio fischeri | 50,800 | 0.25 | 3 |
a
Luminescent biosensor.