期刊
PROTEOMICS
卷 11, 期 13, 页码 2693-2713出版社
WILEY
DOI: 10.1002/pmic.201000598
关键词
Germination; Metabolic pathway; Plant proteomics; Rice; Seed
资金
- Chinese Academy of Sciences
Construction of metabolic and regulatory pathways from proteomic data can contextualize the large-scale data within the overall physiological scheme of an organism. It is an efficient way to predict metabolic phenotype or regulatory style. We did protein profiling in the germinating rice seeds through 1-DE via LC MS/MS proteomic shotgun strategy. In total, 673 proteins were identified, and could be sorted into 14 functional groups. The largest group was metabolism related. The metabolic proteins were integrated into different metabolic pathways to show the style of reserves mobilization and precursor preparation during the germination. Analysis of the regulatory proteins indicated that regulation of redox homeostasis and gene expression also play important roles for the rice seed germination. Although transcription is unnecessary for the germination, it could ensure the rapidity and uniformity of germination. On the contrary, translation with the stored mRNA is required for the germination. This study will help us to further understand the metabolic style, regulation of redox homeostasis, and gene expression during rice seed germination.
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