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两种沼虾胚胎发育中可溶蛋白的组成及含量变化
引用本文:姚俊杰,赵云龙,周忠良,汤亮,吕敢堂.两种沼虾胚胎发育中可溶蛋白的组成及含量变化[J].动物学杂志,2006,41(2):9-14.
作者姓名:姚俊杰  赵云龙  周忠良  汤亮  吕敢堂
作者单位:华东师范大学生命科学学院,上海,200062
基金项目:国家自然科学基金(No.30270161),高校博士点基金(No.20010269002)
摘    要:采用生物化学方法测定了罗氏沼虾(Macrobrachium rosenbergii)、日本沼虾(M.japonicus)成熟卵细胞和胚胎发育时期可溶蛋白的组成及含量。结果显示,2种沼虾的可溶蛋白在组成和含量上体现了较高的相似特性。可溶蛋白的含量在胚胎发育过程中逐渐降低;在成熟卵细胞和胚胎期,可溶蛋白在组成上以89 ku和100 ku的卵黄磷蛋白(Vitellin,Vn)为主,同时还存在243 ku1、81 ku6、7 ku5、4 ku和31 ku等其他一些蛋白亚基。40 ku蛋白亚基仅出现在成熟卵细胞中,推测可能参与执行了特定的生殖功能。可溶蛋白随着胚胎的发育呈现出蛋白亚基经水解逐渐由大分子变成小分子的趋势。前状幼体期和状幼体期出现的74 ku蛋白亚基可能与其在胚胎后期发育的功能有关。可溶蛋白在不同物种胚胎发育时期不同的变化,显示了每个物种在卵黄蛋白的组成、利用以及组织结构蛋白的形成中各自的特点。

关 键 词:罗氏沼虾  日本沼虾  胚胎发育  可溶蛋白  卵黄磷蛋白
文章编号:0250-3263(2006)02-09-06
收稿时间:2005-10-13
修稿时间:2005-10-132006-01-16

Variation in Soluble Protein Composition and Content during Embryonic Development of Two Kinds of Prawns
YAO Jun-Jie,ZHAO Yun-Long,ZHOU Zhong-Liang,TANG Liang,L Gan-Tang.Variation in Soluble Protein Composition and Content during Embryonic Development of Two Kinds of Prawns[J].Chinese Journal of Zoology,2006,41(2):9-14.
Authors:YAO Jun-Jie  ZHAO Yun-Long  ZHOU Zhong-Liang  TANG Liang  L Gan-Tang
Institution:School of Life Science, East China Normal University, Shanghai 200062, China
Abstract:The composition and content of yolk proteins during embryonic development of Macrobrachium rosenbergii and M.japonicus were analyzed.The results showed that the soluble protein composition and content of the two kinds of prawns were similar.The soluble protein content decreased during embryonic development.Vitellin was a main component of soluble proteins.Besides,there were other soluble protein subunits such as 243 ku,181 ku,67 ku,54 ku and 31 ku proteins. The 40 ku protein appeared only in mature egg,and it probably played an important role in the course of fertilization.Small protein subunits increased during late developmental stages.The 74 ku protein which appeared during protozoea and zoea stages may adapt their function to late embryonic development.
Keywords:Macrobrachium rosenbergii  M  japonicus  Embryonic development  Soluble protein  Vitellin
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