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Metabolomics and biochemical assays reveal the metabolic responses to hypo-salinity stress and osmoregulatory role of cAMP-PKA pathway in Mercenaria mercenaria

文献类型：期刊论文

作者Zhou, Cong1,4,5,6,7,8; Song, Hao1,4,6,7,8; Feng, Jie1,6,7,8; Hu, Zhi1,5,6,7,8; Yang, Mei-jie1,5,6,7,8; Shi, Pu1,5,6,7,8; Li, Yong-ren3; Guo, Yong-jun3; Li, Hai-zhou2; Zhang, Tao1,4,6,7,8
刊名COMPUTATIONAL AND STRUCTURAL BIOTECHNOLOGY JOURNAL
出版日期2022
卷号20页码:4110-4121
关键词Metabolomics Osmoregulation Oxidative stress Energy metabolism Hypo -salinity tolerance
ISSN号2001-0370
DOI10.1016/j.csbj.2022.08.004
通讯作者Zhang, Tao(tzhang@qdio.ac.cn)
英文摘要Hypo-salinity events frequently occur in marine ecosystem due to persistent rainfall and freshwater inflow, reducing the cytosol osmolarity and triggering cellular stress responses in aquatic organisms. Euryhaline bivalves have developed sophisticated regulatory mechanisms to adapt to salinity fluctuations over a long period of evolution. In this study, we performed multiple biochemical assays, widely targeted metabolomics, and gene expression analysis to investigate the comprehensive metabolic responses to hypo-salinity stress and osmoregulation mechanisms in hard clam Mercenaria mercenaria, which is a euryhaline bivalve species widely cultured in China. During hypo-salinity stress, increased vacuoles appeared in gill filaments. The Na+ and Cl- concentrations in gills significantly decreased because of the up-regulation of Na+/K+-ATPase (NKA) activity. The cAMP content dramatically decreased at 5 d post hypo-salinity stress. Meanwhile, the gene expression levels of adenylate cyclase, proteinkinase A, and sodium and calcium channel proteins were evidently down-regulated, suggesting that cAMP-PKA pathway was inhibited to prevent ambient inorganic ions from entering the gill cells. Antioxidant metabolites, such as serine and Tyr-containing dipeptides, were significantly up-regulated to resist oxidative stress. Glycerolipid metabolism was strengthened to stabilize membrane structure when hypo-salinity stress was prolonged to 5 days. At 1 d post hypo-salinity stress, an increase in alanine and lactate contents marked the initiation of anaerobic metabolism. Acylcarnitines accumulation indicated that fatty acids b-oxidation was promoted to provide energy for osmoregulation. The potential biomarkers of hyposalinity stress were identified in hard clams. This study provides novel insights into the metabolic regulatory mechanisms to hypo-salinity stress in euryhaline bivalves. (c) 2022 The Authors. Published by Elsevier B.V. on behalf of Research Network of Computational and Structural Biotechnology. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
资助项目China National Key R D Program[2019YFD0900800] ; Tianjin science and technology commission project[20YFZCSN00240] ; Tianjin Agricultural Committee Project[202103010] ; China Agriculture Research System of MOF and MARA ; Taishan Industrial Leading Talents Project[LJNY201704] ; Double Hundred Blue Industry Leader Team of Yantai ; Creative Team Project of the Laboratory for Marine Ecology and Environmental Science, Qingdao Pilot National Laboratory for Marine Science and Technology[LMEES-CTSP-2018-1] ; Young Elite Scientists Sponsorship Program by CAST[2021QNRC001] ; Shandong Province Agricultural Major Applied Technology Innovation Project[SF1405303301]
WOS研究方向Biochemistry & Molecular Biology ; Biotechnology & Applied Microbiology
语种英语
WOS记录号WOS:000919216100008
出版者ELSEVIER
源URL[http://ir.qdio.ac.cn/handle/337002/183412]  
专题海洋研究所_海洋生态与环境科学重点实验室
通讯作者Zhang, Tao
作者单位1.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Ecol & Environm Sci, Qingdao 266237, Peoples R China
2.Shandong Fu Han Ocean Sci Tech Co Ltd, Haiyang 265100, Peoples R China
3.Tianjin Agr Univ, Fisheries Coll, Tianjin Key Lab Aqua Ecol & Aquaculture, Tianjin 300384, Peoples R China
4.Shandong Prov Key Lab Expt Marine Biol, Qingdao 266071, Peoples R China
5.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
6.Chinese Acad Sci, Inst Oceanol, CAS Engn Lab Marine Ranching, Qingdao 266071, Peoples R China
7.Chinese Acad Sci, Ctr Ocean Megasci, Qingdao 266071, Peoples R China
8.Chinese Acad Sci, Inst Oceanol, CAS Key Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China
推荐引用方式
GB/T 7714		 Zhou, Cong,Song, Hao,Feng, Jie,et al. Metabolomics and biochemical assays reveal the metabolic responses to hypo-salinity stress and osmoregulatory role of cAMP-PKA pathway in Mercenaria mercenaria[J]. COMPUTATIONAL AND STRUCTURAL BIOTECHNOLOGY JOURNAL,2022,20:4110-4121.
APA Zhou, Cong.,Song, Hao.,Feng, Jie.,Hu, Zhi.,Yang, Mei-jie.,...&Zhang, Tao.(2022).Metabolomics and biochemical assays reveal the metabolic responses to hypo-salinity stress and osmoregulatory role of cAMP-PKA pathway in Mercenaria mercenaria.COMPUTATIONAL AND STRUCTURAL BIOTECHNOLOGY JOURNAL,20,4110-4121.
MLA Zhou, Cong,et al."Metabolomics and biochemical assays reveal the metabolic responses to hypo-salinity stress and osmoregulatory role of cAMP-PKA pathway in Mercenaria mercenaria".COMPUTATIONAL AND STRUCTURAL BIOTECHNOLOGY JOURNAL 20(2022):4110-4121.

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来源：海洋研究所

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