Proteomics

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Soybean, Root, LC-MSMS - Mechanisms of soybean roots' tolerances to salinity revealed by proteomic and phosphoproteomic comparisons between two cultivars

ABSTRACT: In the current study, we compared phosphoproteomic and proteomic changes in roots of different soybean seedlings of a salt-tolerant cultivar (Wenfeng07) and a salt-sensitive cultivar (Union85140) induced by salt stress. The root samples of Wenfeng07 and Union85140 at three-trifoliate stage were collected at 0 hr, 0.5 hr, 1 hr, 4 hrs, 12 hrs, 24 hrs and 48 hrs after been treated with 150 mM NaCl. LC-MS/MS based phosphoproteomic analysis of these samples identified a total of 2692 phosphoproteins and 5509 phosphorylation sites. Of these, 2344 phosphoproteins containing 3744 phosphorylation sites were quantitatively analyzed. Our results showed that 1163 phosphorylation sites were differentially phosphorylated in the two compared cultivars.

INSTRUMENT(S): Q Exactive

ORGANISM(S): Glycine Soja (wild Soybean)

TISSUE(S): Root

SUBMITTER: Erxu Pi  

LAB HEAD: Erxu Pi

PROVIDER: PXD002856 | Pride | 2015-10-01

REPOSITORIES: Pride

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Mechanisms of Soybean Roots' Tolerances to Salinity Revealed by Proteomic and Phosphoproteomic Comparisons Between Two Cultivars.

Pi Erxu E   Qu Liqun L   Hu Jianwen J   Huang Yingying Y   Qiu Lijuan L   Lu Hongfei H   Jiang Bo B   Liu Cong C   Peng Tingting T   Zhao Ying Y   Wang Huizhong H   Tsai Sau-Na SN   Ngai Saiming S   Du Liqun L  

Molecular & cellular proteomics : MCP 20150925 1

Understanding molecular mechanisms underlying plant salinity tolerance provides valuable knowledgebase for effective crop improvement through genetic engineering. Current proteomic technologies, which support reliable and high-throughput analyses, have been broadly used for exploring sophisticated molecular networks in plants. In the current study, we compared phosphoproteomic and proteomic changes in roots of different soybean seedlings of a salt-tolerant cultivar (Wenfeng07) and a salt-sensiti  ...[more]

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