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Table 2 Physiology of the T. oceanic a low-iron response

From: Genome and low-iron response of an oceanic diatom adapted to chronic iron limitation

Fe(+)   Fe(-)
0.5 - 0.6 Fv/Fm 0.2 - 0.3
0.73 ± 0.01 Growth rate (µ)(day-1) 0.28 ± 0.02
4 Chloroplasts/cell 2
409 ± 48 Chlorophyll a/cell (fg) 58 ± 27
122 ± 3 Cell surface area (µm2) 140 ± 5
100 ± 4 Cell volume (µm3) 80 ± 5
15.3 ± 0.9 Single chloroplast surface area (µm2) 12.0 ± 0.8
4.7 ± 0.3 Single chloroplast volume (µm3) 3.5 ± 0.2
  1. Cellular dimensions and physiological parameters are compared between nutrient replete Fe(+) and iron-limited Fe(-) cells of exponentially growing T. oceanica cultures.