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静水压休克诱导水晶彩鲫三倍体和四倍体的细胞学机理初探
Authors
桂建芳,肖武汉,梁绍昌,蒋一
Publication date
1 January 1995
Publisher
Abstract
本文分析了静水压休克诱导水晶彩鲫三倍体和四倍体的细胞学机理,促使第二极体保留的压力敏感期较短,在卵子第二次成熟分裂中后期的某段时间,也就是受精后4-5min时;而在这之前,为卵子启动期,施加压力会破坏卵子的激动和修整过程,造成发育受阻;其后,为压力不应期,此时第二次成熟分裂态势也趋明朗,压力对保留第二极体失去作用。本文还对促使第二极体保留生产鱼类三倍体和抑制第一次卵裂诱导鱼类四倍体的条件等问题进行了讨论
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Institute of Hydrobiology, Chinese Academy Of Sciences
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oai:ir.ihb.ac.cn:152342/4892
Last time updated on 15/03/2018