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Changes of photosynthetic performances in mature thalli of the red alga Gelidium amansii (Gelidiaceae) exposed to different salinities
Li, Yongfu1,2; Liu, Jianguo1,2; Zhang, Litao1,2; Pang, Tong1,2
2016
Source PublicationMARINE BIOLOGY RESEARCH
Volume12Issue:6Pages:631-639
SubtypeArticle
AbstractPhotosynthetic parameters, including net O-2 evolution, pigment content and fast chlorophyll a (Chl a) fluorescence kinetics, were studied in mature thalli of Gelidium amansii, a marine agar-producing red seaweed, exposed to different salinities (0-35 psu) for 10 days. The results showed that the net O-2 evolution at 25-32 psu was unchanged, but significantly decreased at either lower or higher salinities. Hypo-saline (15 psu and below) and hyper-saline (35 psu) conditions induced significant losses of Chl a, carotenoids and phycobiliproteins, which correlated with the decrease in the absorption flux per cross-section of fronds (ABS/CSo). Polyphasic fluorescence transients revealed that salinities at 10 and 35 psu both caused multiple effects on photosynthetic electron transport. Algae exposed to low salinity at 10 psu showed extensive damage to the donor side of the oxygen-evolving complex (OEC), reaction centre and acceptor side of PSII. Data on net O-2 evolution showed that 35 psu salinity was more destructive than 10 psu, with the absence of marked osmotic injury to the OEC. The results of this study indicate the possibility of G. amansii cultivation in estuarine waters with 20-32 psu salinity.
KeywordGelidium Amansii Salinity Adaptation Photosynthetic Performance Chlorophyll a Fluorescence Transient
DOI10.1080/17451000.2016.1177654
Indexed BySCI
Language英语
WOS IDWOS:000380112000007
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.qdio.ac.cn/handle/337002/130932
Collection海洋生物技术研发中心
Affiliation1.Chinese Acad Sci, Inst Oceanol, Key Lab Expt Marine Biol, Natl & Local Joint Engn Lab Ecol Mariculture, 7 Nanhai Rd, Qingdao 266071, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Biol & Biotechnol, Qingdao, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Li, Yongfu,Liu, Jianguo,Zhang, Litao,et al. Changes of photosynthetic performances in mature thalli of the red alga Gelidium amansii (Gelidiaceae) exposed to different salinities[J]. MARINE BIOLOGY RESEARCH,2016,12(6):631-639.
APA Li, Yongfu,Liu, Jianguo,Zhang, Litao,&Pang, Tong.(2016).Changes of photosynthetic performances in mature thalli of the red alga Gelidium amansii (Gelidiaceae) exposed to different salinities.MARINE BIOLOGY RESEARCH,12(6),631-639.
MLA Li, Yongfu,et al."Changes of photosynthetic performances in mature thalli of the red alga Gelidium amansii (Gelidiaceae) exposed to different salinities".MARINE BIOLOGY RESEARCH 12.6(2016):631-639.
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