Proteomics

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


ABSTRACT: Background Salinization 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 300 mmol L-1 NaCl treatment was performed using an integrated approach of Tandem Mass Tag labeling and LC-MS/MS integrated approach. Results A total of 7179 proteins was identified in this study, for which quantitative information was available for 5,774 proteins. In the NaCl/control comparison group, there were 317 differentially expressed proteins (DEPs), of which 165 proteins were upregulated and 152 proteins downregulatedin 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. Conclusions This informationprovides a reference direction for further research on the okraproteome in the downstreamof the salt stress response, with our data revealing that the responses of okra to salt stress involves by various pathways.

INSTRUMENT(S): Q Exactive Plus

ORGANISM(S): Abelmoschus Esculentus

TISSUE(S): Whole Body

SUBMITTER: xiaonan fu  

LAB HEAD: Chenliang Yu

PROVIDER: PXD011612 | Pride | 2019-11-12

REPOSITORIES: Pride

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Publications

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

Zhan Yihua Y   Wu Qingfei Q   Chen Yue Y   Tang Mengling M   Sun Chendong C   Sun Junwei J   Yu Chenliang C  

BMC genomics 20190516 1


<h4>Background</h4>Salinization 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  ...[more]

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