Table 1.
Strain information, growth and photophysiological properties
| Micromonas | NCMA 1646 | NCMA 2099 | ||
|---|---|---|---|---|
| Origin | Mediterranean | Baffin Bay | ||
| Growth temperature (°C) | 20 | 2 | 10 | |
| Growth light (μmol photons m−2 s−1) | 20–36 | 185 | 20–36 | 20–36 |
| Cell diameter (μm) | 2–3 | 2–3 | 1–3 | 1–3 |
| chl b/a | 0.98 (0.04) | 0.77 (0.06) | 0.79 (0.01) | 0.73 (0.06) |
| Growth rate (d−1) | 0.42 (0.23) | 1.12 (0.33) | 0.23 (0.14) | 0.34 (0.12) |
| F V/F M | 0.57 (0.03) | 0.56 (0.04) | 0.59 (0.01) | 0.49 (0.02) |
| σ PSII (A2 quanta−1) | 934 (66) | 791 (68) | 747 (52) | 667 (50) |
| ā*, m2 (mg chla)−1 | 0.009 (0.001) | 0.0098 (0.0005) | 0.0092 (0.0004) | 0.0089 (0.0004) |
| fmol FtsH (μg protein−1) | 6.0 (0.7) | 8.4 (0.9) | 9.6 (1.8) | 6.8 (0.2) |
| fmol PsbA (μg protein−1) | 116 (29) | 112 (28) | 79 (20) | 91 (5) |
| fmol [PSII]active (μg protein−1) | 95 (9) | 133 (20) | 42 (8.6) | 65 (5) |
n = 3–35, (SD)