Table 1.
Comparison of phenotypic characteristics of strain LZ-15-2 and other type strains within the genus Marivita
| Characteristic | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
|---|---|---|---|---|---|---|---|
| Isolation source | Toxic marine dinoflagellate phycosphere | Marine phytoplankton | Seawater | Temperate estuary | Tidal flat sediment | Seawater | Seawater |
| Cell shape | Rod-shaped | Rod-shaped | Rod-shaped | Rod-shaped | Pleomorphic | Rod-shaped | Rod-shaped |
| Poly-β-hydroxybutyrate | + | + | + | − | − | + | + |
| Cell size (μm) | |||||||
| Length | 1.71–3.04 | 1.9–3.5 a | 1.0–3.5 a | 3–15 b | 1.5–15.0 c | 0.8–8.0 d | 1.0–8.0 e |
| Width | 0.98–1.22 | 0.4–1.2 a | 0.3–0.9 a | 0.5 b | 1.0–3.0 c | 0.4–1.3 d | 0.4–1.3 e |
| Motility | − | + | + | − | − | − | − |
| Growth | |||||||
| Temperature range (optimum, °C) | 15–37 (25) | 15–35 (30) | 15–33 (30) | 10–30 (28) | 10–40 (25–30) | 10–40 (30) | 10–40 (30) |
| pH range | 6–9 (7.5) | 6–10 (7–9) | 6–10 (7–8) | 6.5–9 (7–8) | 5.5–9.5 (7–8) | 6–9.5 (7–7.5) | 6–9.5 (7–7.5) |
| NaCl range (w/v, %) | 1–7 (4) | 2–10 (3–5) | 1–10 (3–5) | 0.5–6 (2–3) | 1–5 (2) | 0.5–9 (2–3) | 0.5–8 (2) |
| Oxygen requirement | Strictly aerobic | Strictly aerobic | Strictly aerobic | Strictly aerobic | Strictly aerobic | Aerobic | Aerobic |
| API 20NE tests | |||||||
| Nitrate reduction | + | − | − | − | + | + | + |
| Aesculin hydrolysis | + | + | + | - | − | + | + |
| Gelatinase | − | + | − | − | − | − | |
| Β-Galactosidase | + | + | + | − | − | − | − |
| Assimilation of glucose | − | + | − | − | − | − | |
| Arabinose | − | + | − | − | − | − | − |
| API ZYM tests | |||||||
| Alkaline phosphatase | + | + | w | w | − | + | − |
| Esterase (C4) | + | w | w | − | − | + | w |
| Esterase lipase (C8) | + | w | + | − | − | + | − |
| Leucine arylamidase | + | + | + | − | − | + | w |
| Valine arylamidase | − | w | w | w | − | − | w |
| Acid phosphatase | + | + | w | − | − | + | − |
| Naphthol-AS-BI-phosphohydrolase | + | w | w | − | w | + | − |
| API 50 CH tests | |||||||
| D-Trehalose | − | + | − | − | − | − | − |
| D-Cellobiose | − | + | − | + | + | − | − |
| α-D-Lactose | − | + | − | − | − | − | − |
| N-Acetyl neuraminic acid | + | − | − | − | − | − | − |
| α-D-Glucose | − | + | − | + | + | − | − |
| D-Mannose | − | − | − | − | + | − | − |
| D-Galactose | − | + | − | + | − | − | − |
| Glycerol | − | − | − | + | − | − | − |
| Glucuronamide | w | − | − | − | − | − | − |
| Methyl pyruvate | − | − | − | − | + | − | − |
| Tween 40 | − | + | + | − | + | + | |
| G + C content (mol %) | 59.0 | 58.6a | 61a | 59.6b | 60c | 59.9d | 65.1e |
Strains: 1, LZ-15-2; 2, M. cryptomonadis CL-SK44T; 3, M. litorea CL-JM1T; 4, M. roseacus CB1052T; 5, M. byusanensis SMK-114T; 6, M. geojedonensis DPG-138T; 7, M. hallyeonensis DPG-28T
All data were obtained from this study unless otherwise indicated. +, positive; −, negative; w, weakly positive
Data from the original study: a, Hwang et al. [1]; b, Buinoff et al. [3]; c, Yoon et al. [6]; d, Yoon et al. [4]; e, Yoon et al. [2], respectively