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雌核发育银鲫和两性融合彩鲫卵母细胞体外诱导成熟过程中周期蛋白合成和MPF活性变化的比较研究
Authors
杨书婷
杨仲安
桂建芳
王玉凤
Publication date
1 January 2000
Publisher
Abstract
采用体外诱导卵母细胞成熟技术 ,比较研究了雌核发育银鲫和两性融合发育彩鲫卵母细胞成熟过程中周期蛋白合成和MPF活性变化情况。结果表明 :1 7α ,2 0 β 二氢孕酮(简称DP)浓度为 0 5μg/ml,温度为 2 4℃ ,光照时间 2 0小时为最适诱导条件。在相同条件下 ,两性生殖彩鲫卵母细胞体外诱导成熟速度明显快于银鲫。相应的细胞学研究表明 ,在体外诱导时 ,银鲫和彩鲫卵母细胞的发育成熟是正常的。银鲫卵母细胞生发泡破裂 (GVBD)时已有周期蛋白的合成 ,但生发泡破裂开始后则呈现合成速度下降直至没
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Institute of Hydrobiology, Chinese Academy Of Sciences
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Last time updated on 25/11/2020