期刊
PROTEOMICS
卷 13, 期 23-24, 页码 3523-3536出版社
WILEY
DOI: 10.1002/pmic.201300286
关键词
Animal proteomics; Chicken; Eggshell matrix; Eggshell strength; Label-free quantitative proteomic analysis; Uterine fluid
资金
- National High Technology Development Plan of China [2013AA102501]
- National Scientific Supporting Projects of China [2011BAD28B03]
- Programs for Changjiang Scholars and Innovative Research in University [IRT1191]
- China Agriculture Research Systems [CARS-41]
Eggshell strength is a crucial economic trait for table egg production. During the process of eggshell formation, uncalcified eggs are bathed in uterine fluid that plays regulatory roles in eggshell calcification. In this study, a label-free MS-based protein quantification technology was used to detect differences in protein abundance between eggshell matrix from strong and weak eggs (shell matrix protein from strong eggshells and shell matrix protein from weak eggshells) and between the corresponding uterine fluids bathing strong and weak eggs (uterine fluid bathing strong eggs and uterine fluid bathing weak eggs) in a chicken population. Here, we reported the first global proteomic analysis of uterine fluid. A total of 577 and 466 proteins were identified in uterine fluid and eggshell matrix, respectively. Of 447 identified proteins in uterine fluid bathing strong eggs, up to 357 (80%) proteins were in common with proteins in uterine fluid bathing weak eggs. Similarly, up to 83% (328/396) of the proteins in shell matrix protein from strong eggshells were in common with the proteins in shell matrix protein from weak eggshells. The large amount of common proteins indicated that the difference in protein abundance should play essential roles in influencing eggshell strength. Ultimately, 15 proteins mainly relating to eggshell matrix specific proteins, calcium binding and transportation, protein folding and sorting, bone development or diseases, and thyroid hormone activity were considered to have closer association with the formation of strong eggshell.
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