Table 2.
Comparison of phenotypic characteristics of strain SH412T and the type strains of Planctopirus limnophila, Planctopirus ephydatiae, Planctopirus hydrillae, and Schlesneria paludicola.
| Characteristics | SH412T | Planctopirus limnophila DSM 3776T | Planctopirus ephydatiae spb1T | Planctopirus hydrillae JC280T | Schlesneria paludicola MPL7T |
|---|---|---|---|---|---|
| Literature | This study | 11, 74, 76 | 75 | 76 | 77 |
| Colour | Ranging from almost white to dark pink/red, varying orange, red, and pink components | Red | Pink | Dark pink | Unpigmented |
| Size (µm) | 0.7–2.2 × 0.7–2.8 | 1.1–1.5 | 1.1–1.5 × 1.5–2.5 | 1.0–1.4 | 0.8–1.4 × 1.3–2.1 |
| Shape | Primarily ovoid, small portion almost spherical | Spherical to ovoid | Ovoid to spherical | Spherical to ovoid | Ellipsoid |
| Clusters | Large aggregates, “flakes”, strong cohesion | Aggregates | Rosettes, aggregates | Aggregates | Pairs, rosettes |
| Temperature range (optimum) (C°) | 10–32 (28) | 17–39 (30–32) | 15–33 (30) | 10–45 (20–30) | 4–32 (20–28/15–26)* |
| pH range (optimum) | 6.0–8.0 (7.0–7.5) | 6.2–8.0 (6.2–7.0) | 7.0–9.0 (9.0) | 6.0–9.0 (6.5–7.5) | 4.2–7.2 (5.0–6.2) |
| Division | Asymmetric | Asymmetric | Asymmetric | Asymmetric | Asymmetric |
| Dimorphic lifestyle | Yes** | Yes | Yes | n.i. | Yes |
| Motility/flagella | Yes/genes present | Yes/monotrichous, polar | Yes/n.i | Yes/monotrichous, sub-polar | Yes/lophotrichous, two flagella |
| Respiration | Facultative anaerobic | Facultative anaerobic | n.i. | Obligate aerobic | Facultative anaerobic |
| Catalase | Negative | n.i. | n.i. | Positive | Positive |
| Cytochrome c oxidase | Positive | n.i. | n.i. | Positive | Positive |
n.i. no information available.
*Discrepancies between values in paper and supplementary information, **not verified.