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Comparative proteomic analysis of okra (Abelmoschus esculentus L.) seedlings under salt stress

文献类型： 外文期刊

作者： Zhan, Yihua 1 ; Wu, Qingfei 1 ; Chen, Yue 3 ; Tang, Mengling 4 ; Sun, Chendong 4 ; Sun, Junwei 5 ; Yu, Chenliang 2 ;

作者机构： 1.Zhejiang Univ, Coll Life Sci, State Key Lab Plant Physiol & Biochem, Hangzhou 310058, Zhejiang, Peoples R China

2.Zhejiang Acad Agr Sci, Inst Agr Equipment, Hangzhou 310021, Zhejiang, Peoples R China

3.Zhejiang Acad Agr Sci, Inst Hort, Hangzhou 310021, Zhejiang, Peoples R China

4.Zhejiang A&F Univ, Sch Agr & Food Sci, Key Lab Qual Improvement Agr Prod Zhejiang Prov, Hangzhou 311300, Zhejiang, Peoples R China

5.China Jiliang Univ, Coll Modern Sci & Technol, Hangzhou 310018, Zhejiang, Peoples R China

关键词： Differential expression protein; Heat shock proteins; Okra; Proteomics; Salt stress; TMT labeling

期刊名称：BMC GENOMICS （ 影响因子：3.969； 五年影响因子：4.478 ）

ISSN： 1471-2164

年卷期： 2019 年 20 卷

页码：

收录情况： SCI

摘要： BackgroundSalinization seriously threatens land use efficiency and crop yields across the world. Understanding the mechanisms plants use to protect against salt stress will help breeders develop salt-tolerant vegetable crops. Okra (Abelmoschus esculentus L.) is an important vegetable crop of the mallow family, which is now cultivated in warm regions worldwide. To understand the effects of salt stress on the protein level of okra, a comparative proteomic analysis of okra seedlings grown in the presence of 0 or 300mmolL(-1) NaCl treatment was performed using an integrated approach of Tandem Mass Tag labeling and LC-MS/MS integrated approach.ResultsA total of 7179 proteins were identified in this study, for which quantitative information was available for 5774 proteins. In the NaCl/control comparison group, there were 317 differentially expressed proteins (DEPs), of which 165 proteins were upregulated and 152 proteins downregulated in the presence of NaCl. Based on the above data, we carried out a systematic bioinformatics analysis of proteins with information, including protein annotation, domain characteristics, functional classification, and pathway enrichment. Enriched gene ontology and Kyoto Encyclopedia of Genes and Genomes pathway analysis showed that the DEPs were most strongly associated with response to stress and protein processing in endoplasmic reticulum. Furthermore, several heat shock proteins were identified as DEPs.ConclusionsThis information provides a reference direction for further research on the okra proteome in the downstream of the salt stress response, with our data revealing that the responses of okra to salt stress involves by various pathways.

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