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Photosynthetic responses of the low intertidal macroalga Sargassum fusiforme (Sargassaceae) to saline stress
Gao, S.1,2; Huan, L.1,2; Lu, X. -P.1,2; Jin, W. -H.1; Wang, X. -L.1,2; Wu, M. -J.3; Wang, G. -C.1,2
2016-09-01
Source PublicationPHOTOSYNTHETICA
Volume54Issue:3Pages:430-437
SubtypeArticle
AbstractSargassum fusiforme, a species of brown seaweed with economic importance, inhabits lower intertidal zones where algae are often exposed to various stresses. In this study, changes in the photosynthetic performance of S. fusiforme under saline stress were investigated. The PSII performance in S. fusiforme significantly improved, when the thalli were exposed to 0% salinity, and remained high with prolonging treatment time. In contrast, the PSII activity declined considerably under salinities of 4.5 and 6%. The PSI activity did not change remarkably under saline stress, thus demonstrating higher tolerance to saline stress than PSII. In addition, the PSI activity could be also restored after saline treatments, when PSII was inhibited by 3-(3,4-dichlorophenyl)-1,1-dimethylurea. It might be as a result of changes in the NAD(P)H content in the thalli under saline stress. Our results suggested that PSI was much more tolerant to different saline stress than PSII in S. fusiforme. We demonstrated that S. fusiforme was much more tolerant to hyposaline than to hypersaline stress.
KeywordChlorophyll Fluorescence Chrysolaminarin Electron Transport Rate Nonphotochemical Quenching Reductant
DOI10.1007/s11099-015-0181-7
Indexed BySCI
Language英语
WOS IDWOS:000380796100014
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.qdio.ac.cn/handle/337002/135859
Collection实验海洋生物学重点实验室
Affiliation1.Chinese Acad Sci, Inst Oceanol, Key Lab Expt Marine Biol, Qingdao 266071, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Biol & Biotechnol, Qingdao 266235, Peoples R China
3.Wenzhou Univ, Coll Life & Environm Sci, Zhejiang Prov Key Lab Water Environm & Marine Bio, Wenzhou 325035, Peoples R China
First Author AffilicationKey Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Gao, S.,Huan, L.,Lu, X. -P.,et al. Photosynthetic responses of the low intertidal macroalga Sargassum fusiforme (Sargassaceae) to saline stress[J]. PHOTOSYNTHETICA,2016,54(3):430-437.
APA Gao, S..,Huan, L..,Lu, X. -P..,Jin, W. -H..,Wang, X. -L..,...&Wang, G. -C..(2016).Photosynthetic responses of the low intertidal macroalga Sargassum fusiforme (Sargassaceae) to saline stress.PHOTOSYNTHETICA,54(3),430-437.
MLA Gao, S.,et al."Photosynthetic responses of the low intertidal macroalga Sargassum fusiforme (Sargassaceae) to saline stress".PHOTOSYNTHETICA 54.3(2016):430-437.
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