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題 名 | Toxicity Assay of Cyanobacterial Strains Using Artemia Salina in Comparison with the Mouse Bioassay=以豐年蝦檢知藍綠菌株之毒性並相較於小白鼠毒性試驗的結果 |
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作 者 | 李宗徽; 陳逸民; 周宏農; | 書刊名 | Acta Zoologica Taiwanica |
卷 期 | 10:1 1999.01[民88.01] |
頁 次 | 頁1-9 |
分類號 | 379.32 |
關鍵詞 | 豐年蝦; 小白鼠毒性試驗; 藍綠菌; 微囊藻毒; 肝臟毒素; Artemia salina; Mouse bioassay; Microcystin; Heptotoxin; Cyanobacteria; |
語 文 | 英文(English) |
中文摘要 | 本研究乃針對單離自臺灣不同水域的九株藍綠菌(cyanobacteria),以豐年蝦(Artemia salina)幼苗檢測不同菌株的毒性,並與小白鼠毒性試驗的結果相互比較,另以高效液相層析檢知各菌株所含的微囊藻毒,確認豐年蝦在篩檢含毒藍綠菌株上的適用性。所得豐年蝦及小白鼠毒性試驗的結果,均顯示其中的六株Microcystis aeruginosa含毒,說明此兩種生物試驗法在菌株含微囊藻毒(microcystin)與否的判定上具良好的一致性,而經高效液相層析對於各菌株所含微囊藻毒的檢知,也證實了上述兩種生物毒性試驗的結果。另根據實驗數據得知,豐年蝦毒性試驗在24小時觀察期間內的檢測靈敏度低於小白鼠毒性試驗,且豐年蝦毒性試驗又較為耗時,但由於豐年蝦毒性試驗所具有的經濟性及方便操作等優點,仍可應用於含毒藍綠菌株的篩檢上。 |
英文摘要 | Cyanobacterial samples were collected from aquaculture ponds and reservoirs in Taiwan in 1989-1994. Strains belonging to Microcystis and Coelosphaerium were isolated and main-tained in laboratory cultures. Brine shrimp, Artemia salina, toxicity assay was applied and compared with the mouse bioassay for screening toxic strains among these cyanobacterial isolates in this study. We found that M.TY-1, M.TY-2, M.CY-1, M.TN-2, M.TN-3, and M.TN-4 strains of Microcystis aeruginosa were toxic in both assay methods. The same con-clusion was also reached by HPLC analysis of known microcystins in the extract of different cyanobacterial strains. Also our data showed that the Artemia bioassay required more time than the mouse bioassay for detecting toxicity of microcystins, and the Artemia bioassay was less sensitive than the mouse bioassay at observation intervals shorter than 24 h. However, in view of its convenience and low expense, the Artemia bioassay still can be a reliable method for detecting toxicity of microcystins contained in toxic cyanobacterial strains. |
本系統中英文摘要資訊取自各篇刊載內容。