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PGRL1 overexpression inPhaeodactylum tricornutuminhibits growth and reduces apparent PSII activity
Zhou, Lu1,2,3; Gao, Shan1,2; Wu, Songcui1,2; Han, Danxiang4,5; Wang, Hui1,2; Gu, Wenhui1,2; Hu, Qiang4,5; Wang, Jing1,6; Wang, Guangce1,2
2020-07-02
Source PublicationPLANT JOURNAL
ISSN0960-7412
Pages8
AbstractProton gradient regulation 5-like photosynthetic phenotype 1 (PGRL1)-dependent cyclic electron transport around photosystem I (PSI) plays important roles in the response to different stresses, including high light. Although the function of PGRL1 in higher plants and green algae has been thoroughly investigated, little information is available on the molecular mechanism of PGRL1 in diatoms. We created PGRL1 overexpression and knockdown transformants ofPhaeodactylum tricornutum, the diatom model species, and investigated the impact on growth and photosynthesis under constant and fluctuating light conditions. PGRL1 over-accumulation resulted in significant decreases in growth rate and apparent photosystem II (PSII) activity and led to an opposing change of apparent PSII activity when turning to high light, demonstrating a similar influence on photosynthesis as a PSII inhibitor. Our results suggested that PGRL1 overexpression can reduce the apparent efficiency of PSII and inhibit growth inP. tricornutum. These findings provide physiological evidence that the accumulation of PGRL1 mainly functions around PSII instead of PSI.
KeywordPGRL1 photosystem II FQR diatom
DOI10.1111/tpj.14872
Indexed BySCI
Language英语
Funding ProjectNational Key R&D Program of China[2018YFD0901500] ; Key Deployment Project of Centre for Ocean Mega-Research of Science, Chinese Academy of Sciences[COMS2019Q02] ; Shandong Provincial RD Program[2018GHY115019] ; Distinguished Young Scientists Research Fund of Key Laboratory of Experimental Marine Biology, Chinese Academy of Sciences[KLEMB-DYS02] ; National Natural Science Foundation of China[41976097] ; National Natural Science Foundation of China[41676157]
WOS Research AreaPlant Sciences
WOS SubjectPlant Sciences
WOS IDWOS:000544771900001
PublisherWILEY
Citation statistics
Document Type期刊论文
Version出版稿
Identifierhttp://ir.qdio.ac.cn/handle/337002/167874
Collection实验海洋生物学重点实验室
Corresponding AuthorWang, Guangce
Affiliation1.Chinese Acad Sci, Ctr Ocean Megasci, Inst Oceanol, Key Lab Expt Marine Biol, 7 Nanhai Rd, Qingdao 266071, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Biol & Biotechnol, Qingdao 266237, Peoples R China
3.Univ Chinese Acad Sci, Coll Earth Sci, Beijing 100049, Peoples R China
4.Chinese Acad Sci, Ctr Microalgal Biotechnol & Biofuels, Inst Hydrobiol, Wuhan 430072, Peoples R China
5.Chinese Acad Sci, Inst Hydrobiol, Key Lab Algal Biol, Wuhan 430072, Hubei, Peoples R China
6.Ocean Univ China OUC, Coll Marine Life Sci, Qingdao 266003, Peoples R China
First Author AffilicationCenter for Ocean Mega-Science, Chinese Academy of Sciences
Corresponding Author AffilicationCenter for Ocean Mega-Science, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Zhou, Lu,Gao, Shan,Wu, Songcui,et al. PGRL1 overexpression inPhaeodactylum tricornutuminhibits growth and reduces apparent PSII activity[J]. PLANT JOURNAL,2020:8.
APA Zhou, Lu.,Gao, Shan.,Wu, Songcui.,Han, Danxiang.,Wang, Hui.,...&Wang, Guangce.(2020).PGRL1 overexpression inPhaeodactylum tricornutuminhibits growth and reduces apparent PSII activity.PLANT JOURNAL,8.
MLA Zhou, Lu,et al."PGRL1 overexpression inPhaeodactylum tricornutuminhibits growth and reduces apparent PSII activity".PLANT JOURNAL (2020):8.
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