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Acid treatment combined with high light leads to increased removal efficiency of Ulva prolifera
Liu, Xuehua1,2,3,4; Huan, Li1,2,4; Gu, Wenhui1,2,4; Gao, Shan1,2,4; Zheng, Zhenbing1,2,4; Wang, Guangce1,2,4
2020
Source PublicationALGAL RESEARCH-BIOMASS BIOFUELS AND BIOPRODUCTS
ISSN2211-9264
Volume45Pages:7
Corresponding AuthorWang, Guangce(gcwang@qdio.ac.cn)
AbstractThe attachment of Ulva prolifera to Pyropia rafts can cause severe economic losses during the cultivation of Pyropia because it can reduce the yield, harvest, and quality of the Pyropia. The existing methods for removing U. prolifera from the Pyropia raft have many limitations, such as low removal efficiency, Pyropia damage, and environmental pollution. In this study, we developed method that can effectively remove U. prolifera attached to the raft during Pyropia cultivation. After 3 h of citric acid (pH 4.0) and high light treatment (1200 mu mol photons m(2-) s(1-)), followed by recovery in seawater for 24 h, the U. prolifera was completely dead, but the Pyropia was still active. We also studied the response mechanism of U. prolifera to acid and high light, and our results showed that under acidic and high light conditions, H+ may penetrate the interior of U. prolifera cells, causing obvious synergistic injury with high light to PSII in U. prolifera. The degradation of Cyt f in this process severely hindered electron transport and slightly reduced PSI activity. Acid also destroyed the U. prolifera photoprotective mechanism, as shown by the high non-photochemical quenching (NPQ) values and xanthophyll cycle pigment contents. This study provides a solid base for further research on optimizing the treatment of U. prolifera and improving its removal efficiency.
KeywordCyt b(6)f complex Light damage Non-photochemical quenching Photoprotection
DOI10.1016/j.algal.2019.101745
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41606159] ; National Natural Science Foundation of China[41676157] ; National Natural Science Foundation of China[41876163] ; National Key R&D Program of China[2018YFD0901500] ; China Agriculture Research System[CARS-50]
WOS Research AreaBiotechnology & Applied Microbiology
WOS SubjectBiotechnology & Applied Microbiology
WOS IDWOS:000507580300001
PublisherELSEVIER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/164491
Collection实验海洋生物学重点实验室
Corresponding AuthorWang, Guangce
Affiliation1.Chinese Acad Sci, Inst Oceanol, Key Lab Expt Marine Biol, Qingdao 266071, Peoples R China
2.Pilot Natl Lab Marine Sci & Technol Qingdao, Qingdao 266237, Peoples R China
3.Univ Chinese Acad Sci, Coll Earth Sci, Beijing 100049, Peoples R China
4.Chinese Acad Sci, Ctr Ocean Megasci, Qingdao 266071, Peoples R China
First Author AffilicationKey Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences
Corresponding Author AffilicationKey Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Liu, Xuehua,Huan, Li,Gu, Wenhui,et al. Acid treatment combined with high light leads to increased removal efficiency of Ulva prolifera[J]. ALGAL RESEARCH-BIOMASS BIOFUELS AND BIOPRODUCTS,2020,45:7.
APA Liu, Xuehua,Huan, Li,Gu, Wenhui,Gao, Shan,Zheng, Zhenbing,&Wang, Guangce.(2020).Acid treatment combined with high light leads to increased removal efficiency of Ulva prolifera.ALGAL RESEARCH-BIOMASS BIOFUELS AND BIOPRODUCTS,45,7.
MLA Liu, Xuehua,et al."Acid treatment combined with high light leads to increased removal efficiency of Ulva prolifera".ALGAL RESEARCH-BIOMASS BIOFUELS AND BIOPRODUCTS 45(2020):7.
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