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Differences in photosynthetic behaviour of Kappaphycus alvarezii and Kappaphycus striatus during dehydration and rehydration
Pang, Tong1; Zhang, Litao1; Liu, Jianguo1; Li, Hu1,2; Li, Junpeng1,2
2015
发表期刊MARINE BIOLOGY RESEARCH
卷号11期号:7页码:765-772
文章类型Article
摘要The kappa-carrageenan-producing seaweed Kappaphycus striatus is different from K. alvarezii in that it grows well in the intertidal zone, where the thalli are exposed periodically to dehydration and rehydration. To investigate the specific tolerance mechanism of K. striatus, the photosynthetic behaviour of K. alvarezii and K. striatus exposed to osmotic variation was compared. K. striatus had a lower dehydration rate in the dark treatments and a higher rehydration rate in both the dark and light treatments as compared with K. alvarezii. The F-V/F-M of K. striatus was significantly higher than that of K. alvarezii during the process of dehydration and rehydration in both the light and dark treatments. The increase in amplitude of JIP-test fluorescence parameters V-K, V-J and V-I of K. striatus was smaller than that of K. alvarezii during the dehydration process in both the light and dark treatments. The increased amplitude of V-K, V-J and V-I in K. striatus was significantly lower than that in K. alvarezii when they were rehydrated in the dark treatments. Therefore, during the process of dehydration and rehydration, the tolerance of the oxygen evolving complex, the ability to balance photosynthetic light absorption and energy utilization, as well as the tolerance of PSII reaction centres were relatively higher in K. striatus compared with K. alvarezii. Such an increased tolerance of PSII may help to improve the tolerance of the whole plant to dehydration.
关键词Dehydration Kappaphycus Alvarezii Kappaphycus Striatus Photosynthesis Tolerance
DOI10.1080/17451000.2015.1007876
收录类别SCI
语种英语
WOS记录号WOS:000354984700009
引用统计
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/33032
专题海洋生物技术研发中心
作者单位1.Chinese Acad Sci, Inst Oceanol, R&D Ctr Marine Biotechnol, Natl & Local Joint Engn Lab Ecol Mariculture, Qingdao 266071, Peoples R China
2.Univ Chinese Acad Sci, Beijing, Peoples R China
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Pang, Tong,Zhang, Litao,Liu, Jianguo,et al. Differences in photosynthetic behaviour of Kappaphycus alvarezii and Kappaphycus striatus during dehydration and rehydration[J]. MARINE BIOLOGY RESEARCH,2015,11(7):765-772.
APA Pang, Tong,Zhang, Litao,Liu, Jianguo,Li, Hu,&Li, Junpeng.(2015).Differences in photosynthetic behaviour of Kappaphycus alvarezii and Kappaphycus striatus during dehydration and rehydration.MARINE BIOLOGY RESEARCH,11(7),765-772.
MLA Pang, Tong,et al."Differences in photosynthetic behaviour of Kappaphycus alvarezii and Kappaphycus striatus during dehydration and rehydration".MARINE BIOLOGY RESEARCH 11.7(2015):765-772.
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