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

Table 2 Maximum quantum efficiency of PSII photochemistry (F _v/F _m), effective photochemical quantum yield of PSII (ΔF/F _m ^′), effective efficiency of PSII photochemistry (F _v ^′/F _m ^′), non-photochemical quenching (NPQ), photochemical quenching (qP), and quantum yield of CO₂ assimilation (Φ _CO2) of Synechocystis in a continuous culture

D (h⁻¹)	F _v/F _m	ΔF/F _m ^′	F _v ^′/F _m ^′	NPQ	QP	Φ _CO2
0.0173	0.572 ± 0.006	0.464 ± 0.009	0.551 ± 0.001	0.10 ± 0.02	0.84 ± 0.01	0.058 ± 0.001
0.0198	0.564 ± 0.008	0.485 ± 0.001	0.548 ± 0.001	0.06 ± 0.02	0.89 ± 0.02	0.060 ± 0.000
0.0237	0.572 ± 0.013	0.474 ± 0.008	0.555 ± 0.002	0.11 ± 0.01	0.86 ± 0.03	0.059 ± 0.001
0.0282	0.549 ± 0.004	0.458 ± 0.003	0.522 ± 0.006	0.11 ± 0.01	0.88 ± 0.01	0.057 ± 0.001
0.0361	0.525 ± 0.011	0.451 ± 0.002	0.501 ± 0.007	0.06 ± 0.05	0.89 ± 0.16	0.056 ± 0.002
0.0480	0.514 ± 0.010	0.443 ± 0.017	0.493 ± 0.004	0.10 ± 0.03	0.90 ± 0.06	0.055 ± 0.000
0.0550	0.510 ± 0.004	0.411 ± 0.001	0.492 ± 0.006	0.11 ± 0.02	0.83 ± 0.14	0.051 ± 0.000
0.0654	0.506 ± 0.016	0.417 ± 0.001	0.467 ± 0.001	0.11 ± 0.00	0.89 ± 0.04	0.052 ± 0.000
0.0725	0.483 ± 0.016	0.400 ± 0.003	0.468 ± 0.001	0.07 ± 0.00	0.87 ± 0.04	0.050 ± 0.000
0.0849	0.476 ± 0.000	0.390 ± 0.001	0.448 ± 0.000	0.11 ± 0.00	0.87 ± 0.01	0.048 ± 0.000
0.0956	0.452 ± 0.011	0.388 ± 0.012	0.434 ± 0.001	0.08 ± 0.02	0.90 ± 0.02	0.048 ± 0.001
0.1184	0.450 ± 0.001	0.371 ± 0.000	0.433 ± 0.001	0.08 ± 0.02	0.84 ± 0.09	0.046 ± 0.000

Values are mean ± standard deviations calculated over the steady state for each dilution rate

ISSN: 2731-3654