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題名 | Organotins Promoting the Development of Imposex in the Oyster Drill Thais Clavigera=有機錫促進臺灣蚵螺的雄化 |
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作者姓名(中文) | 劉莉蓮; 孫玉娟; |
作者姓名(外文) | Liu, Li-lian; Suen, Iu-jiuan; |
書刊名 | 臺灣水產學會刊 |
卷期 | 23:2 1996.06[民85.06] |
頁次 | 頁149-154 |
分類號 | 439.61 |
語文 | eng |
關鍵詞 | 有機錫; 雄化; 相對陰莖指數; Organotin; Imposex; Relative penis size; |
中文摘要 | 本研究在探討有機錫對臺灣蚵螺(Thais clavigera)雄化發育的影響。所謂雄 化是指前鰓類雌性個體出現額外的雄性生殖特徵之現象,有機錫化合物可引發此現象之產 生。已有輕度雄化之蚵螺在雙氧化三丁基場(bis(tributyltin)-oxide)20ng Sn/1 (TBT020),60ng Sn/1 (TBT060)及三苯醋錫(triphenyltin acetate)20ng Sn/1 (TPhT20) 處理大於對照組之3.4%,而TPhT20組為14.2%,亦顯著大於對照組,本結果顯示 雙氧化三丁基錫及三苯醋錫二者皆會促進蚵螺雄化的發育。 |
英文摘要 | The effect of organotins on the development of imposex in the oyster drill Thais clavigera was conducted in the present study. Imposex is a phenomenon of the development of additional male sex organs in female prosobranch gastropods which is inducible by various organotin compounds. In the experiments, oyster drills, T. clavigera, already slightly affected by imposex, were treated with bis (tributyltin)-oxide and triphenyltin acetate for 90 days. Penis growth in female T. clavigera was promoted by bis (tributyltin)-oxide 60ng Sn/2 (TBT060) and triphenyltin acetate 20ng Sn/1 (TPhT20). In response to TBT060, the penes of females increased in size and the relative penis size index (RPS) rose to 19.3% compared with 3.4% in the control in 90 days. For TPhT20, the index increased significantly to 14.2%. Our results indicate that tributylitin and triphenyltin both can promote the development of imposex in T. clavigera. |
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