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Physiological and transcriptomic responses of Aurelia coerulea polyps to acidified seawater conditions
Sun, Tingting1,2; Peng, Saijun1,2; Tu, Fangzheng3; Xu, Pengzhen1,2; Ye, Lijing1; Zhao, Jianmin1; Dong, Zhijun1
Source PublicationMARINE ENVIRONMENTAL RESEARCH
ISSN0141-1136
2024-04-01
Volume196Pages:9
KeywordAurelia coerulea Jellyfish blooms Ocean acidification Trans -Generational Transcriptome RNA sequencing
DOI10.1016/j.marenvres.2024.106441
Corresponding AuthorDong, Zhijun(zjdong@yic.ac.cn)
AbstractScyphozoan jellyfish, known for their evolutionary position and ecological significance, are thought to exhibit relatively notable resilience to ocean acidification. However, knowledge regarding the molecular mechanisms underlying the scyphozoan jellyfish response to acidified seawater conditions is currently lacking. In this study, two independent experiments were conducted to determine the physiological and molecular responses of moon jellyfish (Aurelia coerulea) polyps to within- and trans-generational exposure to two reduced pH treatments (pH 7.8 and pH 7.6). The results revealed that the asexual reproduction of A. coerulea polyps significantly declined under acute exposure to pH 7.6 compared with that of polyps at ambient pH conditions. Transcriptomics revealed a notable upregulation of genes involved in immunity and cytoskeleton components. In contrast, genes associated with metabolism were downregulated in response to reduced pH treatments after 6 weeks of withingenerational acidified conditions. However, reduced pH treatments had no significant influence on the asexual reproduction of A. coerulea polyps after exposure to acidified conditions over a total of five generations, suggesting that A. coerulea polyps may acclimate to low pH levels. Transcriptomics revealed distinct gene expression profiles between within- and trans-generational exposure groups to two reduced pH treatments. The offspring polyps of A. coerulea subjected to trans-generational acidified conditions exhibited both upregulated and downregulated expression of genes associated with metabolism. These physiological and transcriptomic characteristics of A. coerulea polyps in response to elevated CO2 levels suggest that polyps produced asexually under acidified conditions may be resilient to such conditions in the future.
Funding OrganizationNational Natural Science Foundation of China ; Key Project of the NSFC-Shandong Joint Fund ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Science & Technology Fundamental Resources Investigation Program of China ; Taishan Scholars Program
Indexed BySCI
Language英语
WOS KeywordIRUKANDJI JELLYFISH POLYPS ; OCEAN ACIDIFICATION ; CLIMATE-CHANGE ; PROTEOMIC RESPONSE ; CO2 ; SCYPHOZOAN ; HYPOXIA ; PH
WOS Research AreaEnvironmental Sciences & Ecology ; Marine & Freshwater Biology ; Toxicology
WOS IDWOS:001207328800001
Citation statistics
Document Type期刊论文
Identifierhttp://ir.yic.ac.cn/handle/133337/35362
Collection支撑部门_中国科学院牟平海岸带环境综合试验站
Corresponding AuthorDong, Zhijun
Affiliation1.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Muping Coastal Environm Res Stn, Yantai 264003, Shandong, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Harbin Inst Technol, Marine Sci & Technol Coll, Weihai 264209, Shandong, Peoples R China
Recommended Citation
GB/T 7714
Sun, Tingting,Peng, Saijun,Tu, Fangzheng,et al. Physiological and transcriptomic responses of Aurelia coerulea polyps to acidified seawater conditions[J]. MARINE ENVIRONMENTAL RESEARCH,2024,196:9.
APA Sun, Tingting.,Peng, Saijun.,Tu, Fangzheng.,Xu, Pengzhen.,Ye, Lijing.,...&Dong, Zhijun.(2024).Physiological and transcriptomic responses of Aurelia coerulea polyps to acidified seawater conditions.MARINE ENVIRONMENTAL RESEARCH,196,9.
MLA Sun, Tingting,et al."Physiological and transcriptomic responses of Aurelia coerulea polyps to acidified seawater conditions".MARINE ENVIRONMENTAL RESEARCH 196(2024):9.
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