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Biochemical characteristics of gynogenetic and bisexual reproductive fish eggs regulating the development of sperm nuclei during early fertilization
Yue Zhenyu, Jiang Yhigui; Shan Shixin; Inst. Hydrobiol., Chinese Acad. Sci., Wuhan 430072, China
1996
Source PublicationActa Hydrobiologica Sinica
ISSN1000-3207
Volume20Issue:2Pages:164-171
AbstractSperm nuclei have the ability of swelling and forming male pronuclei immediately after fertilization in eggs of bisexual reproductive fish. By contrast, the fertilized eggs of gynogenetic crucian carp (Carassius auratus gibelio) suppressed the appearance of male pronuclei. Using the method of demembraned sperm injection together with cytological and ultrastructural observation, we made a preliminary examination on the biochemical characteristics in sperm nucleus development at early fertilization of two kinds of fish eggs, and focused mainly on the egg of gynogenetic crucian carp which regulated the unique reproduction via fertilization. The results that in cytoplasm of bisexual eggs the presence of certain concentration of Ca-2+ and the reduction of disulfide bond is of necessity at the development of sperm nucleus. But in ooplasm of gynogenetic crucian carp the Ca-2+ and disulfide bond reduction was not directly related to the inhibition of sperm nuclear development. On the other hand, the cytoplasm in gynogenetic eggs abnormally high activity of phosphatase. Further research showed that there are plenty of relative factors which induce the forming of pronuclei from sperm nuclei in heavy ooplasmic fraction of bisexual eggs but none or less in gynogenetic eggs. The ooplasm of gynogenetic crucian carp may also lack some high molecules responsible for membrane assembly of male pronucleus.
Indexed By其他
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/17959
Collection期刊论文
Corresponding AuthorInst. Hydrobiol., Chinese Acad. Sci., Wuhan 430072, China
Recommended Citation
GB/T 7714
Yue Zhenyu, Jiang Yhigui,Shan Shixin,Inst. Hydrobiol., Chinese Acad. Sci., Wuhan 430072, China. Biochemical characteristics of gynogenetic and bisexual reproductive fish eggs regulating the development of sperm nuclei during early fertilization[J]. Acta Hydrobiologica Sinica,1996,20(2):164-171.
APA Yue Zhenyu, Jiang Yhigui,Shan Shixin,&Inst. Hydrobiol., Chinese Acad. Sci., Wuhan 430072, China.(1996).Biochemical characteristics of gynogenetic and bisexual reproductive fish eggs regulating the development of sperm nuclei during early fertilization.Acta Hydrobiologica Sinica,20(2),164-171.
MLA Yue Zhenyu, Jiang Yhigui,et al."Biochemical characteristics of gynogenetic and bisexual reproductive fish eggs regulating the development of sperm nuclei during early fertilization".Acta Hydrobiologica Sinica 20.2(1996):164-171.
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