Table 1 Mouse bioassay of the toxicity of TTX extracts from the Shewanella spp. isolates
Item | Individual | Average | Mortality (%) | Mean lethal |
|---|---|---|---|---|
weight (g) | time (min) | |||
TTX extracts from cells | 24 | 20.7 | 0 | - |
(overnight culture, 8 isolates) | ||||
TTX extracts from supernatants | 24 | 20.3 | 0 | - |
(overnight culture, 8 isolates) | ||||
TTX extracts from cells (7-day | 24 | 19.8 | 0 | - |
culture, 8 strains) | ||||
TTX extracts from supernatants | 24 | 20.6 | 100 | 2.5 |
(7-day culture, 8 isolates) | ||||
TTX standard, 2.2 μ g/ml | 3 | 20.4 | 100 | 3 |
0.1% acetic acid | 3 | 19.7 | 0 | - |