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学科主题: Fisheries; Marine & Freshwater Biology; Oceanography
题名: Estradiol-17 beta and testosterone levels in the cockle Fulvia mutica during the annual reproductive cycle
作者: Liu, WG ; Li, Q ; Kong, LF
通讯作者: qili66@ouc.edu.cn
关键词: sex steroids ; seasonal fluctuations ; bivalve molluscs ; gonadal development
刊名: NEW ZEALAND JOURNAL OF MARINE AND FRESHWATER RESEARCH
发表日期: 2008
卷: 42, 期:4, 页:417-424
收录类别: sci
部门归属: [Liu, Wenguang; Li, Qi; Kong, Lingfeng] Ocean Univ China, Coll Fisheries, Qingdao 266003, Peoples R China; [Liu, Wenguang] Chinese Acad Sci, S China Sea Inst Oceanol, Key Lab Marine Bioresources Sustainable Utilizat, Guangzhou 510301, Guangdong, Peoples R China
项目归属: LMB
摘要: In this study, we investigated seasonal variations in the concentrations of estradiol-17 beta (E-2) and testosterone (T) in the gonad of the cockle Fulvia mutica from March 2004 to February 2005 in relation to the reproductive cycle. Histological data showed that F. mutica is a hermaphrodite bivalve species. and gametogenesis took place during winter-spring (November-April) and spawning occurred in summer (May-June) when water temperature was higher. E-2 and T concentrations were measured enzyme-linked immunosorbent assay (ELISA). E-2 concentrations varied between 7.27 and 32.63 pg/g wet weight and T concentrations ranged from 22.83 to 77.15 pg/g wet weight throughout the year. Both steroids exhibited a similar annual pattern that correlated with the reproductive cycle. The two peaks of E-2 and T concentrations in November and May-June occurred at critical moments of the F mutica reproductive cycle: the onsets of gametogenesis and of the spawning period. E-2 and T concentrations were low during the non-reproductive period extending from July to October. These results suggest that E-2 and T Could play a role as endogenous modulators in the reproductive cycle of F mutica.
原文出处: 查看原文
WOS记录号: WOS:000262767500006
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/4934
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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Recommended Citation:
Liu, WG; Li, Q; Kong, LF.Estradiol-17 beta and testosterone levels in the cockle Fulvia mutica during the annual reproductive cycle,NEW ZEALAND JOURNAL OF MARINE AND FRESHWATER RESEARCH,2008,42(4):417-424
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