Effect of high temperature on the balance between photosynthetic light absorption and energy utilization in Chlorella pyrenoidosa (Chlorophyceae)

doi:10.1007/s00343-019-8369-5

IOCAS-IR > 实验海洋生物学重点实验室

	Effect of high temperature on the balance between photosynthetic light absorption and energy utilization in Chlorella pyrenoidosa (Chlorophyceae)
	Ma, Dongdong 1; Li, Yongfu 2,3; Fu, Haifang 4
	2020
发表期刊	JOURNAL OF OCEANOLOGY AND LIMNOLOGY
ISSN	2096-5508
卷号	38 期号:1 页码:186-194
通讯作者	Li, Yongfu(lyf_qingdao@126.com)
摘要	Chlorella pyrenoidosa (Chlorophyceae) is widely cultured for production of health food and animal feed. In outdoors, mass cultivation of C. pyrenoidosa often suffers from high temperature. A better understanding of the effects of high temperature on photosynthesis and photoprotection can help optimize the productivity of C. pyrenoidosa cultures. In this study, we investigated effect of high temperature (35, 38, or 41 degrees C) on the balance between photosynthetic light absorption and energy utilization of C. pyrenoidosa. In contrast to 30 degrees C, higher temperature of 35 or 38 degrees C did not inhibit the growth of C. pyrenoidosa. Treatment in 35 degrees C maintained the balance. Moreover, the PSI acceptor side in 38 degrees C was over-reduced and PSII reaction centers were over-excited under strong light, which destroyed the balance and generated active oxygen species (AOS). However, the activated antioxidant enzymes might remove completely the over-production of AOS, thereby protect C. pyrenoidosa cells from photodamage. It shows that this C. pyrenoidosa strain could tolerate as high as 38 degrees C. Furthermore, treatment in 41 degrees C resulted in more lack of the balance than that in 38 degrees C. However, the activities of antioxidant enzymes stopped increasing in 41 degrees C, and were not strong enough to remove the excess AOS. Therefore, treatment in 41 degrees C could decrease the growth of C. pyrenoidosa. In addition, strong and longtime light exposure would cause serious photodamage to C. pyrenoidosa cells.
关键词	antioxidant enzyme Calvin cycle high temperature tolerance photoprotection photosynthesis Chlorella pyrenoidosa
DOI	10.1007/s00343-019-8369-5
收录类别	SCI
语种	英语
资助项目	Shandong Provincial Natural Science Foundation, China[ZR2017QC008]
WOS研究方向	Marine & Freshwater Biology ; Oceanography
WOS类目	Limnology ; Oceanography
WOS记录号	WOS:000511866000017
出版者	SCIENCE PRESS
引用统计	被引频次：12[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.qdio.ac.cn/handle/337002/165386
专题	实验海洋生物学重点实验室
通讯作者	Li, Yongfu
作者单位	1.Ocean Univ China, Minist Educ, Key Lab Marine Environm Sci & Ecol, Qingdao 266100, Peoples R China 2.Chinese Acad Sci, Inst Oceanol, Key Lab Expt Marine Biol, Qingdao 266071, Peoples R China 3.Chinese Acad Sci, Inst Oceanol, Nantong Res & Dev Ctr Marine Sci & Technol, Nantong 226019, Peoples R China 4.Zhonglu Environm & Engn Assessment Ctr Shandong P, Jinan 250013, Peoples R China
通讯作者单位	实验海洋生物学重点实验室; 中国科学院海洋研究所
推荐引用方式 GB/T 7714	Ma, Dongdong,Li, Yongfu,Fu, Haifang. Effect of high temperature on the balance between photosynthetic light absorption and energy utilization in Chlorella pyrenoidosa (Chlorophyceae)[J]. JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2020,38(1):186-194.
APA	Ma, Dongdong,Li, Yongfu,&Fu, Haifang.(2020).Effect of high temperature on the balance between photosynthetic light absorption and energy utilization in Chlorella pyrenoidosa (Chlorophyceae).JOURNAL OF OCEANOLOGY AND LIMNOLOGY,38(1),186-194.
MLA	Ma, Dongdong,et al."Effect of high temperature on the balance between photosynthetic light absorption and energy utilization in Chlorella pyrenoidosa (Chlorophyceae)".JOURNAL OF OCEANOLOGY AND LIMNOLOGY 38.1(2020):186-194.

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