Response of Photosynthetic Activity Parameters of Algae Under Phenol Stress

Min Chen; Gaofang Yin; Nanjing Zhao; Tingting Gan; Xiang Wang; Hui Hua; Chun Feng; Jianguo Liu

doi:10.3788/AOS201939.1217002

Journals >Acta Optica Sinica >Volume 39 >Issue 12 >Page 1217002 > Article

Acta Optica Sinica
Vol. 39, Issue 12, 1217002 (2019)

Response of Photosynthetic Activity Parameters of Algae Under Phenol Stress

Min Chen^{1、2、3、***}, Gaofang Yin^1、3、*, Nanjing Zhao^1、3、**, Tingting Gan^1、3, Xiang Wang^1、2、3, Hui Hua^1、2、3, Chun Feng^1、2、3, and Jianguo Liu^1、3

Author Affiliations

¹Key Laboratory of Environmental Optics and Technology, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Science, Hefei, Anhui 230031, China

²University of Science and Technology of China, Hefei, Anhui 230026, China

³Key Laboratory of Optical Monitoring Technology for Environment, Hefei, Anhui 230031, China

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DOI: 10.3788/AOS201939.1217002 Cite this Article Set citation alerts

Min Chen, Gaofang Yin, Nanjing Zhao, Tingting Gan, Xiang Wang, Hui Hua, Chun Feng, Jianguo Liu. Response of Photosynthetic Activity Parameters of Algae Under Phenol Stress[J]. Acta Optica Sinica, 2019, 39(12): 1217002 Copy Citation Text

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Response of photosynthetic activity parameters Fv/Fm to different phenol concentrations unde long-term stress. (a) Dose-effect of Fv/Fm on phenol at different time; (b) time-effect trend of Fv/Fm on phenol

Fig. 1. Response of photosynthetic activity parameters Fv/Fm to different phenol concentrations unde long-term stress. (a) Dose-effect of Fv/Fm on phenol at different time; (b) time-effect trend of Fv/Fm on phenol

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Fig. 2. Responses of photosynthetic activity parameters to different phenol concentrations under long-term stress. (a) rP; (b) α; (c) Ek; (d) JVPⅡ

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Fig. 3. Responses of different photosynthetic activity parameters to different phenol concentrations under short-term stress. (a) Fv/Fm; (b) rP; (c) α; (d) Ek; (e) JVP Ⅱ

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Fig. 4. Comparison of dose-response trends of photosynthetic activity parameters under stress for 5 min and 70 min on average. (a) Fv/Fm; (b) rP; (c) α; (d) Ek; (e) JVPⅡ

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Fig. 5. Comparison of responses of photosynthetic activity parameters Fv/Fm, rP, Ek, and JVP II to phenol under stress for 5 min

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Type	Phenol mass concentration /(g·L^-1)	Stress time
Screening of parameter	0,0.1,0.2,0.4,0.8	24 h
Long-term stress experiment	0,0.1,0.2,0.4,0.8	1,13,24,48,72 h
Short-term stress experiment	0,0.2,0.4,0.6,0.8,1.0,1.2	5,10,20,30,40,50,60,70 min

Table 1. Experimental conditions

Parameter	Designation	Physiological significance
Fv/Fm	Maximum photochemical quantum efficiency of PS II	Characterization of photosynthetic system PS II activity
rP	Relative photosynthetic electron transfer rate	Photosynthetic rate, which corresponds to the release of O₂ and the fixed rate of CO₂
α	Maximum light utilization coefficient, initial slope of rapid light curve RLCs	Capturing ability of photosynthetic system to light energy
Ek	Saturation light intensity	The minimum illumination required for saturated photosynthesis to characterize the photosynthetic system's tolerance to strong light
JVPⅡ	PSⅡ flux per unit volume	It is closely related to the generation of O₂ and is an important parameter for characterizing primary productivity
σ_PSⅡ	Effectiveabsorption cross sections	Absorption cross section of PSII photochemistry

Table 2. Parameters acquired by fast light curves (RLCs)^[12-13]

Parameter	Phenolmass concentration
Parameter	0(control)	0.1	0.2	0.4	0.8
Fv/Fm	0.535±0.0105	0.538±0.0086	0.52±0.0057^*	0.496±0.0033^**	0.335±0.0029^**
rP	91.93±0.769	88.15±4.669	76.34±3.300^*	63.95±3.505^**	29.56±2.320^**
α	0.508±0.0105	0.483±0.0177	0.428±0.0262^**	0.382±0.0189^**	0.255±0.0049^**
Ek	209.1±1.04	206.2±8.28	190.0±3.35^*	149.5±4.41^**	103.5±3.66^**
JVPⅡ	2.495±0.2562	1.963±0.1114^*	1.521±0.1330^**	1.207±0.1650^**	0.755±0.0196^**
σ_PSⅡ	4.496±0.0459	4.456±0.0529	4.643±0.1254	4.606±0.0594	4.556±0.0222
Note:”“ and ”*“ represent parameters at significant significance levels of 0.05 and 0.01.

Table 3. Changes of photosyntheticactivity parameters under phenol stress for 24 h(g·L^-1)

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