TABLE 1.
Summary of physiological characteristics of cells from Fe-limited and Fe-replete chemostatsa
| Dilution rate (day−1) | Values under indicated chemostat conditions |
|||||
|---|---|---|---|---|---|---|
| Chl a (pg per 100 cells) |
Cell size (μm) |
QMCYST (fg cell−1) |
||||
| Fe limited | Fe replete | Fe limited | Fe replete | Fe limited | Fe replete | |
| 0.07 | 0.04 ± 0.02 | 0.10 ± 0.04 | 4.01 ± 0.03 | 4.35 ± 0.10 | Tot, 63.34; Int, 59.24; Ext, 4.10 | Tot, 41.39; Int, 41.39; Ext, ND |
| 0.15 | 0.04 ± 0.02 | 0.20 ± 0.05 | 4.04 ± 0.05 | 4.27 ± 0.06 | Tot, 57.27; Int, 55.63; Ext, 1.64 | Tot, 41.52; Int, 41.52; Ext, ND |
| 0.30 | 0.04 ± 0.03 | 0.40 ± 0.13 | 3.94 ± 0.07 | 4.15 ± 0.16 | Tot, 66.93; Int, 65.54; Ext, 1.39 | Tot, 22.71; Int, 22.71; Ext, ND |
| 0.45 | 0.04 ± 0.01 | 0.60 ± 0.05 | 3.89 ± 0.09 | 4.08 ± 0.03 | Tot, 62.50; Int, 60.97; Ext, 1.53 | Tot, 17.90; Int, 17.90; Ext, ND |
a
Tot, total; Int, intracellular; Ext, extracellular; ND, not detected.