Identification of Egg White Proteins and Divergence in the Regulatory Region of the Ovalbumin Gene in Avians
文献类型: 外文期刊
作者: Ren, Jindong 1 ; Hu, Jianhong 1 ; Chen, Li 2 ; Liu, Yali 2 ; Xu, Xiaoqin 2 ; He, Jun 2 ; Shen, Jianliang 3 ; Lu, Lizhi 2 ;
作者机构: 1.Northwest A&F Univ, Coll Anim Sci & Technol, Yangling, Peoples R China
2.Zhejiang Acad Agr Sci, Hangzhou, Zhejiang, Peoples R China
3.Zhejiang Zhuowang Agr Sci Tech Ltd Co, Huzhou, Peoples R China
关键词: Egg white protein;polymorphism;avian;peptide sequence;regulatory region
期刊名称:PROTEIN AND PEPTIDE LETTERS ( 影响因子:1.89; 五年影响因子:1.528 )
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收录情况: SCI
摘要: Egg white proteins play an important role in avian reproductive systems and are an ideal resource for bioreactor construction. In this study, 1D electrophoresis and MALDI-TOF-MS were performed to analyze egg white proteins in four species. In total, 18, 11, 28, and 13 proteins were identified in the egg whites of the chicken, duck, goose, and pigeon, respectively. Egg white proteins in chickens have been studied previously; therefore, we focused on the proteins in goose and duck egg whites. Based on the amino acid sequence analysis and a comparison of the unique peptides, high similarity was observed between the goose and duck egg whites. Diversity in the regulatory region of the ovalbumin gene explained the higher ovalbumin expression in the duck and goose than in the chicken. These data clarify the evolutionary processes underlying to the unique peptides contributing to the differential expression of ovalbumin in avians.
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