Photosynthetic efficiency of endosymbiotic algae of Paramecium bursaria originating from locations with cold and warm climates

Figures & Tables

Technical fluorescence parameters
F₀	Chlorophyll fluorescence intensity measured when all photosystem II reaction lefts are open
F_m	Maximal chlorophyll fluorescence intensity measured when all photosystem II reaction lefts are closed
F_v	Variable chlorophyll fluorescence (F_m/F₀)
F_v/F_m	Maximum quantum yield of PSII
F_v/F₀	Efficiency of the water-splitting complex on the donor side of PSII
DIo/CSo	Dissipated energy flux per cross section (CS) at t = 0
ETo/CSo	Electron transport flux per cross section (CS) at t = 0
PI	Indicator of the PSII functioning
RC/ABS	Index expression as the density of reaction centers (RC)
Tf_(max)	Time needed to reach F_m (ms)
TRo/CSo	Trapped energy flux per cross section (CS) at t = 0

Treatment		Endosymbionts of Paramecium bursaria
Treatment		Ard7					KD64
T(°C)	Light conditions	F₀	F_m	F_v	F_v/_Fm	F_v/F₀	F₀	F_m	F_v	F_v/F_m	F_v/F₀
18	12L/12D	161.00^c	348.30^b	187.30^a	0.54^a	1.16^a	45.30^c	105.70^b	60.30^a	0.58^a	1.33^ab
18	24D	192.30^b	312.00^c	119.70^c	0.39^bc	0.62^bcd	63.30^b	99.30^c	36.00^c	0.36^cd	0.57^bc
15	12L/12D	241.00^a	415.70^a	174.70^b	0.42^b	0.72^bcd	71.70^a	119.70^a	48.00^b	0.40^bcd	0.67^abc
15	24D	91.30^d	162.00^d	70.70^d	0.44^b	0.77^bc	37.70^d	58.70^d	21.00^d	0.36^cd	0.56^bc
12	12L/12D	70.00^e	105.00^e	35.30^e	0.34^c	0.50^cd	39.00^d	59.00^d	20.00^d	0.34^d	0.51^bc
12	24D	40.30^f	68.30^f	28.00^ef	0.41^bc	0.69^bcd	37.70^d	58.70^d	21.00^d	0.36^cd	0.56^bc
9	12L/12D	34.30^g	59.70^f	25.30^f	0.42^b	0.74^bcd	27.30^e	40.70^e	13.30^e	0.33^d	0.49^bc
9	24D	25.30^h	40.70^g	15.30^g	0.38^bc	0.60^bcd	20.30^f	29.00^f	8.70^f	0.30^d	0.43^c
6	12L/12D	5.30^j	9.70^h	4.30^h	0.45^b	0.83^b	10.70^g	16.30^g	5.70^g	0.35^cd	0.55^bc
6	24D	11.00ⁱ	16.30^h	5.30^h	0.33^c	0.49^d	4.70^h	8.00^h	3.30^g	0.32^cd	0.43^c