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http://dx.doi.org/10.7740/kjcs.2014.60.1.041

Analysis of Protein Function and Comparison on Expression of Protein in Taekwang During Maturation using Proteomic Techniques  

Cho, Seong-Woo (Crop Breeding Research Division, NICS, RDA)
Kim, Tae-Sun (Department of Crop Science, Chungbuk National University)
Kwon, Soo-Jeong (Department of Crop Science, Chungbuk National University)
Roy, Swapan Kumar (Department of Crop Science, Chungbuk National University)
Lee, Chul-Won (Department of Crop Science, Chungbuk National University)
Kim, Hong-Sig (Department of Crop Science, Chungbuk National University)
Woo, Sun-Hee (Department of Crop Science, Chungbuk National University)
Publication Information
KOREAN JOURNAL OF CROP SCIENCE / v.60, no.1, 2015 , pp. 41-46 More about this Journal
Abstract
In the present study, different expression of protein from Taekwang was revealed by 2-DE, and expressions of protein on each week after flowering was investigated. After analysis of expression of protein, MALDI-TOF was executed to identify expected protein function. Results revealed that there were three patterns of expression of protein during the maturing. The first pattern was that proteins were gradually expressed as up-regulation from 1 week to 6 week. The second pattern was that proteins were expressed gradually from 1 week to 5 week and then it started down-regulation in 6 week. The last pattern was that proteins were gradually as up-regulation from 1 week to 3 week and then down-regulation until 6 week. This phenomenon suggests that young stage has more protein related to correspondence mechanism against disease and growth and then maturing stage has more expression of protein related to storage protein. In MALDI-TOF analysis, p24 oleosin isoform A protein was identified that relates oleosin which is synthetic product in oil body. This protein spot increased gradually until 5 week and then decreased after 5 week. It explained that the protein is active until maturing stage to protect oil in seed and then its activity has gradually degraded. This result may be expected that a protein, related to growth of a seed has increased until maturing and then a seed fills up with a storage protein.
Keywords
Soybean; Seed Storage Protein; 2-DE; MALDI-TOF; Protein expression;
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Times Cited By KSCI : 1  (Citation Analysis)
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