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Differences in the physiological processes of Calanus sinicus inside and outside the Yellow Sea Cold Water Mass
Zhou, Konglin1,2; Sun, Song1,3; Wang, Minxiao1; Wang, Shiwei3; Li, Chaolun1
2016-05-01
发表期刊JOURNAL OF PLANKTON RESEARCH
卷号38期号:3页码:551-563
文章类型Article
摘要Calanus sinicus, the key zooplankton species in the Yellow Sea, China, over-summers in the Yellow Sea Cold Water Mass (YSCWM). Here, we compared the metabolic rates, morphological characteristics and relative expressions of seven genes associated with molting, gonad development, lipid catabolism and stress tolerance of C. sinicus captured both inside and outside the YSCWM in summer. With a large oil sac, low metabolic rate and suppressed molting development, the C5-stage copepods inside the YSCWM were probably quiescent. The gene expressions revealed differences in physiology between quiescent and active copepods in the two regions. When quiescent, the gene associated with molting [ecdysteroid receptor (EcR)] was down-regulated, while genes related to lipid catabolism (Hydroxyacyl CoA dehydrogenase) and stress tolerance (ferritin) were up-regulated. C5s at the margin of the YSCWM up-regulated EcR expression and this could be in response to the elevated Chl a concentration, suggesting that elevated food condition may serve as a trigger that terminated the over-summering of C. sinicus in the Yellow Sea. In conclusion, this study revealed the physiological processes of quiescent and active C. sinicus via morphological, physiological and molecular methods simultaneously, providing a foundation for future investigations of the mechanisms involved in over-summering in YSCWM.
关键词Calanus Sinicus Over-summering Metabolic Rate Gene Expression Physiological Processes
DOI10.1093/plankt/fbw011
收录类别SCI
语种英语
WOS记录号WOS:000377299000013
引用统计
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/126234
专题海洋生态与环境科学重点实验室
作者单位1.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Ecol & Environm Sci, 7 Nanhai Rd, Qingdao 266071, Peoples R China
2.Univ Chinese Acad Sci, 19 Yuquan Rd, Beijing 100049, Peoples R China
3.Chinese Ecosyst Res Network, Jiaozhou Bay Marine Ecosyst Res Stn, 7 Nanhai Rd, Qingdao 266071, Peoples R China
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Zhou, Konglin,Sun, Song,Wang, Minxiao,et al. Differences in the physiological processes of Calanus sinicus inside and outside the Yellow Sea Cold Water Mass[J]. JOURNAL OF PLANKTON RESEARCH,2016,38(3):551-563.
APA Zhou, Konglin,Sun, Song,Wang, Minxiao,Wang, Shiwei,&Li, Chaolun.(2016).Differences in the physiological processes of Calanus sinicus inside and outside the Yellow Sea Cold Water Mass.JOURNAL OF PLANKTON RESEARCH,38(3),551-563.
MLA Zhou, Konglin,et al."Differences in the physiological processes of Calanus sinicus inside and outside the Yellow Sea Cold Water Mass".JOURNAL OF PLANKTON RESEARCH 38.3(2016):551-563.
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