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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
Source PublicationMARINE BIOLOGY RESEARCH
Volume11Issue:7Pages:765-772
SubtypeArticle
AbstractThe 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.
KeywordDehydration Kappaphycus Alvarezii Kappaphycus Striatus Photosynthesis Tolerance
DOI10.1080/17451000.2015.1007876
Indexed BySCI
Language英语
WOS IDWOS:000354984700009
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Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/33032
Collection海洋生物技术研发中心
Affiliation1.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
Recommended Citation
GB/T 7714
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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