Skip to main content

Advertisement

Table 3 Chlorophyll optical absorption cross-section (a*), maximum electron transfer rate (ETRmax), O2 evolution and respiration rates of Synechocystis in a continuous culture

From: A bioenergetic assessment of photosynthetic growth of Synechocystis sp. PCC 6803 in continuous cultures

D (h−1) Net O2 evolution (μmol O2 mg chl−1 h−1) Respiration (μmol O2 mg chl−1 h−1) a* (m2 mg chl−1) ETR (μmol e mg chl−1 s−1)
0.0173 299 ± 6 (314 ± 7) 15 ± 1 0.0112 ± 0.0003 0.386 ± 0.007
0.0198 329 ± 1 (349 ± 3) 20 ± 2 0.0118 ± 0.0005 0.425 ± 0.001
0.0237 322 ± 5 (361 ± 6) 38 ± 1 0.0118 ± 0.0005 0.416 ± 0.007
0.0282 313 ± 2 (359 ± 4) 46 ± 2 0.0120 ± 0.0002 0.404 ± 0.002
0.0361 327 ± 1 (393 ± 13) 66 ± 12 0.0129 ± 0.0003 0.423 ± 0.002
0.0480 319 ± 12 (374 ± 19) 55 ± 7 0.0131 ± 0.0009 0.411 ± 0.015
0.0550 304 ± 1 (348 ± 3) 44 ± 2 0.0135 ± 0.0005 0.392 ± 0.001
0.0654 300 ± 1 (352 ± 2) 52 ± 1 0.0138 ± 0.0012 0.387 ± 0.001
0.0725 280 ± 2 (308 ± 6) 28 ± 4 0.0142 ± 0.0002 0.362 ± 0.002
0.0849 273 ± 1 (343 ± 2) 70 ± 1 0.0152 ± 0.0010 0.352 ± 0.001
0.0956 264 ± 8 (359 ± 14) 95 ± 6 0.0153 ± 0.0007 0.340 ± 0.010
0.1184 271 ± 0 (369 ± 9) 98 ± 9 0.0182 ± 0.0027 0.349 ± 0.000
  1. Values are mean ± standard deviations calculated over the steady state for each dilution rate. In parenthesis, total evolution (net oxygen evolution plus respiration)