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学科主题: Oceanography
题名: Reproductive cycle and seasonal variations in lipid content and fatty acid composition in gonad of the cockle Fulvia mutica in relation to temperature and food
作者: [Liu Wenguang] Chinese Acad Sci, Key Lab Marine Bioresources Sustainable Utilizat, South China Sea Inst Oceanol, Guangzhou 510301, Guangdong, Peoples R China ; [Li Qi ; Kong Lingfeng] Ocean Univ China, Minist Educ, Key Lab Mariculture, Qingdao 266003, Peoples R China
通讯作者: qili66@ouc.edu.cn
关键词: Fulvia mutica ; lipids ; fatty acids ; reproductive cycle ; food ; temperature
刊名: JOURNAL OF OCEAN UNIVERSITY OF CHINA
发表日期: 2013
卷: 12, 期:3, 页:427-433
部门归属: LMB
资助者: The study was supported by the National Marine Public Welfare Research Program (201205023), and the Scientific and Technical Supporting Program (2011BAD 13B03).
摘要: From March 2004 to February 2005, seasonal variations in lipid content and fatty acid composition of gonad of the cockle Fulvia mutica (Reeve) were studied on the eastern coast of China in relation to the reproductive cycle and environment conditions (e.g., temperature and food availability). Histological analysis as well as lipid and fatty acid analyses were performed on neutral and polar lipids of the gonad. Results showed that gametogenesis occurred in winter and spring at the expense of lipids previously accumulated in summer and autumn, whereas spawning occurred in summer (20.4-24.6A degrees C). The seasonal variation in lipid content was similar to that of the mean oocyte diameter. In both neutral and polar lipids, the 20:5n-3 and 22:6n-3 levels were relatively higher than saturated fatty acids, and polyunsaturated fatty acids were abundant, with series n-3 as the predominant component. Seasonal variations in the 20:5n-3 and 22:6n-3 levels and the principal n-3 fatty acids were clearly related to the reproductive cycle. The I (n-3) pound and I (n-6) pound values were relatively high during January-May, and the associated unsaturation index was significantly higher than that in other months. The results suggest that fatty acids play an important role in the gametogenesis of F. mutica.
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000322258300014
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/10992
Appears in Collections:中科院海洋生物资源可持续利用重点实验室_期刊论文

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[Liu Wenguang] Chinese Acad Sci, Key Lab Marine Bioresources Sustainable Utilizat, South China Sea Inst Oceanol, Guangzhou 510301, Guangdong, Peoples R China; [Li Qi; Kong Lingfeng] Ocean Univ China, Minist Educ, Key Lab Mariculture, Qingdao 266003, Peoples R China.Reproductive cycle and seasonal variations in lipid content and fatty acid composition in gonad of the cockle Fulvia mutica in relation to temperature and food,JOURNAL OF OCEAN UNIVERSITY OF CHINA,2013,12(3):427-433
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文件名: Reproductive cycle and seasonal variations in lipid content and fatty acid composition in gonad of the cockle Fulvia mutica in relation to temperature and food.pdf
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