TABLE 2.
Intracellular concentration of DMSP in marine phytoplankton
| Organism | Cytosolic DMSPa (mM) | Reference |
|---|---|---|
| Hymenomonas carterae | 120 | Vairavamurthey et al. (120) |
| Gymnodinium nelsoni | 280 | Dacey and Wakeham (30) |
| Platymonas subcordiformis | 170 | Dickson and Kirst (40) |
| Phaeocystis sp. | 71-169 | Stefels and van Boekel (109) |
| Melosira numuloides (Diatoms) | 264 | Keller et al. (55) |
| Chrysameoba sp. (chyrosphyte) | 596 | |
| Ochromonas sp. (chrysophyte) | 529 | |
| Prorocentrum sp. strain IIB2b1 (dinoflagellate) | 1,082b | |
| Emiliania huxleyi BT6 (coccolithophore) | 166 | |
| Diatoms (from sea water) | 38 ± 18 | Turner et al. (119) |
| <10-μm flagellates (from sea water) | 125 | Belviso et al. (15) |
| 650 ± 429 | Turner et al. (119) | |
| Dinoflagellates (from sea water) | 640 | Belviso et al. (15) |
| 70 ± 30 | Turner et al. (119) |
a
Per liter of cell volume.
b
A reviewer of this article pointed out that “seawater osmolarity is about 0.7 M, and DMSP is never the only osmolyte, so its intracellular concentrations can't be >1 M.”