| FANG YONGQIANG,ZHANG YUSHENG,XU RUIAN,ZHANG QISEN. 1985. REPRODUCTIVE MECHANISM OF RUDITAPES PHILIPPINARUM ISOLATION OF SHEDDING HORMONE AND DETERMINATION OF BIOLOGICAL ACTIVITY. Acta Oceanologica Sinica, (1):107－112 |
| REPRODUCTIVE MECHANISM OF RUDITAPES PHILIPPINARUM ISOLATION OF SHEDDING HORMONE AND DETERMINATION OF BIOLOGICAL ACTIVITY |
| REPRODUCTIVE MECHANISM OF RUDITAPES PHILIPPINARUM ISOLATION OF SHEDDING HORMONE AND DETERMINATION OF BIOLOGICAL ACTIVITY |
| Received:November 29, 1982 Revised:January 19, 1984 |
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| Abstract: |
| An active substance, shedding hormone capable of inducing parent clams to spawn and sper-miate, has preliminarily been isolated from the ovaries of Ruditapes philippinarum by means of ammonia sulfate precipitate of 25% concentration and Sephadex G-25 column chromatography in present study. The biological activity of the shedding hormone is above 95%. It is composed of sorts of amino acids by determination with an amino acid automatic analyzer. The experimental results indicate that the active substance is a polypeptide. |
| 中文摘要: |
| An active substance, shedding hormone capable of inducing parent clams to spawn and sper-miate, has preliminarily been isolated from the ovaries of Ruditapes philippinarum by means of ammonia sulfate precipitate of 25% concentration and Sephadex G-25 column chromatography in present study. The biological activity of the shedding hormone is above 95%. It is composed of sorts of amino acids by determination with an amino acid automatic analyzer. The experimental results indicate that the active substance is a polypeptide. |
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