期刊
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
卷 63, 期 48, 页码 10569-10577出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.jafc.5b04659
关键词
common bean; proteome; 2-DE; MS/MS; PCA; GMO
资金
- CNPq [470683/2012-0]
- CAPES Ph.D. fellowship
- CAPES PNPD fellowship
- CNPq PQ-2 fellowship
The genetically modified (GM) common bean event Embrapa 5.1 was commercially approved in Brazil in 2011; it is resistant to golden mosaic virus infection. In the present work grain proteome profiles of two Embrapa 5.1 common bean varieties, Perola and Pontal, and their non-GM counterparts were compared by two-dimensional gel electrophoresis (2-DE) followed by mass spectrometry (MS). Analyses detected 23 spots differentially accumulated between GM Perola and non-GM Perola and 21 spots between GM Pontal and non-GM Pontal, although they were not the same proteins in Perola and Pontal varieties, indicating that the variability observed may not be due to the genetic transformation. Among them, eight proteins were identified in Perola varieties, and four proteins were identified in Pontal. Moreover, we applied principal component analysis (PCA) on 2-DE data, and variation between varieties was explained in the first two principal components. This work provides a first 2-DE-MS/MS-based analysis of Embrapa 5.1 common bean grains.
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