| Fang Yongqiang,Qi Xiang,Liang Ping,Hong Guiying. 1990. Preliminary study of gonadotropin-releasing analogue (GnRH-A) initiated gonadal development of amphioxus. Acta Oceanologica Sinica, (4):579－585 |
| Preliminary study of gonadotropin-releasing analogue (GnRH-A) initiated gonadal development of amphioxus |
| Preliminary study of gonadotropin-releasing analogue (GnRH-A) initiated gonadal development of amphioxus |
| Received:November 13, 1989 Revised:June 04, 1990 |
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| 基金项目:This work is supported by the foundation of the National natural Science. |
| Author Name | Affiliation | | Fang Yongqiang | Third Institute of Oceanography, State Oceanic Administration, Xiamen, China | | Qi Xiang | Third Institute of Oceanography, State Oceanic Administration, Xiamen, China | | Liang Ping | Third Institute of Oceanography, State Oceanic Administration, Xiamen, China | | Hong Guiying | Third Institute of Oceanography, State Oceanic Administration, Xiamen, China |
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| Abstract: |
| Amphioxus in the seasonally regressed phase of gonadat development were used in this study. Each sample animal was injected with 40 nanogram of synthetic gonadotropin-releasing hormone analogue (GnRH-A) in distilled water every other day for up to 16 days; control animals received similar volumes of distilled wnter only. Both hormone-treated samples and control animals were examined under microscope every eight days and every twelve days. Then all the animals were killed on the 16th day. Gonads earlier development and a more advanced degree of gametogenesis are in the hormone-treated group than in the control group. Thus, GnRH-A can initiate and accelerate the gonadal development in gonadally regressed amphioxus. GnRH-A in some form may be important in regulating the gonadal development in amphioxus as well as in vertebrates. |
| 中文摘要: |
| Amphioxus in the seasonally regressed phase of gonadat development were used in this study. Each sample animal was injected with 40 nanogram of synthetic gonadotropin-releasing hormone analogue (GnRH-A) in distilled water every other day for up to 16 days; control animals received similar volumes of distilled wnter only. Both hormone-treated samples and control animals were examined under microscope every eight days and every twelve days. Then all the animals were killed on the 16th day. Gonads earlier development and a more advanced degree of gametogenesis are in the hormone-treated group than in the control group. Thus, GnRH-A can initiate and accelerate the gonadal development in gonadally regressed amphioxus. GnRH-A in some form may be important in regulating the gonadal development in amphioxus as well as in vertebrates. |
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