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Construction and analysis of a subtractive cDNA library of early embryonic development in duck

文献类型: 外文期刊

作者: Liu, Y. L. 1 ; Zhong, L. X. 1 ; Li, J. J. 2 ; Shen, J. D. 2 ; Wang, D. Q. 2 ; Tao, Z. R. 2 ; Shi, F. X. 1 ; Lu, L. Z. 2 ;

作者机构: 1.Nanjing Agr Univ, Coll Anim Sci & Technol, Nanjing, Jiangsu, Peoples R China

2.Zhejiang Acad Agr Sci, Inst Anim Husb & Vet Sci, Hangzhou, Zhejiang, Peoples R China

关键词: Duck;Embryo development;Subtractive hybridization;Duplex-specific nuclease;Nanog

期刊名称:GENETICS AND MOLECULAR RESEARCH ( 影响因子:0.764; 五年影响因子:0.912 )

ISSN: 1676-5680

年卷期: 2013 年 12 卷 3 期

页码:

收录情况: SCI

摘要: Several studies have documented the process of early embryonic development in poultry; however, the molecular mechanisms underlying its developmental regulation are poorly understood, particularly in ducks. In this study, we analyzed differential gene expression of embryos 6 and 25 h following oviposition to determine which genes regulate the early developmental stage in ducks. Among 216 randomly selected clones, 39 protein-encoding cDNAs that function in metabolism, transcription, transportation, proliferation/apoptosis, cell cycle, cell adhesion, and methylation were identified. Additionally, the full-length cDNA of the Nanog gene, encoding a 302-amino acid protein, was obtained. Quantitative real-time polymerase chain reaction analyses were performed to detect expression levels of the selected genes during early and late embryonic stages, which revealed that these genes are expressed in a particular spatial and temporal pattern. These results indicate that these genes may play pivotal roles in the process of area pellucida formation through a complex and precise regulatory network during development in duck embryos.

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