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High salt stress in the upper part of floating mats of Ulva prolifera, a species that causes green tides, enhances non-photochemical quenching
Zheng, Zhenbing1; Gao, Shan1; Wang, Guangce1,2
2019-08-24
Source PublicationJOURNAL OF PHYCOLOGY
ISSN0022-3646
Pages9
Corresponding AuthorGao, Shan(shangao@qdio.ac.cn) ; Wang, Guangce(gcwang@qdio.ac.cn)
AbstractSalt stress is a major abiotic stress factor that can induce many adverse effects on photosynthetic organisms. Plants and algae have developed several mechanisms that help them respond to adverse environments. Non-photochemical quenching (NPQ) is one of these mechanisms. The thalli of algae in the intertidal zone that are attached to rocks can be subjected to salt stress for a short period of time due to the rise and fall of the tide. Ulva prolifera causes green tides and can form floating mats when green tides occur and the upper part of the thalli is subjected to high salt stress for a long period of time. In this study, we compared the Ulva prolifera photosynthetic activities and NPQ kinetics when it is subjected to different salinities over various periods of time. Thalli exposed to a salinity of 90 for 4 d showed enhanced NPQ, and photosynthetic activities decreased from 60 min after exposure up to 4 d. This indicated that the induction of NPQ in Ulva prolifera under salt stress was closely related to the stressing extent and stressing time. The enhanced NPQ in the treated samples exposed for 4 d may explain why the upper layer of the floating mats formed by Ulva prolifera thalli were able to survive in the harsh environment. Further inhibitor experiments demonstrated that the enhanced NPQ was xanthophyll cycle and transthylakoid proton gradient-dependent. However, photosystem II subunit S and light-harvesting complex stress-related protein didn't over accumulate and may not be responsible for the enhanced NPQ.
KeywordF-v F-m green tide non-photochemical quenching salt stress Ulva prolifera
DOI10.1111/jpy.12881
Indexed BySCI
Language英语
Funding ProjectNational Key R&D Program of China[2018YFD0901500] ; National Natural Science Foundation of China[41606161] ; National Natural Science Foundation of China[41506172] ; National Natural Science Foundation of China[41676157] ; National Natural Science Foundation of China[41606159] ; Distinguished Young Scientists Research Fund of Key Laboratory of Experimental Marine Biology, Chinese Academy of Sciences[KLEMB-DYS02] ; Key Laboratory of Algal Biology, Institute of Hydrobiology, Chinese Academy of Sciences[2017-003] ; Project of Science and Technology Bureau of Nantong[MS12017025-4] ; China Postdoctoral Science Foundation[2015M580614]
WOS Research AreaPlant Sciences ; Marine & Freshwater Biology
WOS SubjectPlant Sciences ; Marine & Freshwater Biology
WOS IDWOS:000483141100001
PublisherWILEY
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/162760
Collection实验海洋生物学重点实验室
Corresponding AuthorGao, Shan; Wang, Guangce
Affiliation1.Chinese Acad Sci, Inst Oceanol, Ctr Ocean Mega Sci, Key Lab Expt Marine Biol, Qingdao, Shandong, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Biol & Biotechnol, Qingdao, Shandong, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Zheng, Zhenbing,Gao, Shan,Wang, Guangce. High salt stress in the upper part of floating mats of Ulva prolifera, a species that causes green tides, enhances non-photochemical quenching[J]. JOURNAL OF PHYCOLOGY,2019:9.
APA Zheng, Zhenbing,Gao, Shan,&Wang, Guangce.(2019).High salt stress in the upper part of floating mats of Ulva prolifera, a species that causes green tides, enhances non-photochemical quenching.JOURNAL OF PHYCOLOGY,9.
MLA Zheng, Zhenbing,et al."High salt stress in the upper part of floating mats of Ulva prolifera, a species that causes green tides, enhances non-photochemical quenching".JOURNAL OF PHYCOLOGY (2019):9.
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