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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2021.04.009
|2 doi
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|a pubmed24n1081.xml
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|a (PII)S0981-9428(21)00207-2
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|a DE-627
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|e rakwb
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|a eng
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|a Wang, Xueqian
|e verfasserin
|4 aut
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|a N-linked glycoproteome analysis reveals central glycosylated proteins involved in wheat early seedling growth
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|c 2021
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 12.05.2021
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|a Date Revised 12.05.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2021 Elsevier Masson SAS. All rights reserved.
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|a Glycosylation is an important protein post-translational modification in eukaryotic organisms. It is involved in many important life processes, such as cell recognition, differentiation, development, signal transduction and immune response. This study carried out the first N-linked glycosylation proteome analysis of wheat seedling leaves using HILIC glycosylation enrichment, chemical deglycosylation, HPLC separation and tandem mass spectrometric identification. In total, we detected 308 glycosylated peptides and 316 glycosylated sites corresponding to 248 unique glycoproteins. The identified glycoproteins were mainly concentrated in plasma membranes (25.6%), cell wall (16.8%) and extracellular area (16%). In terms of molecular function, 65% glycoproteins belonged to various enzymes with catalytic activity such as kinase, carboxypeptidase, peroxidase and phosphatase, and, particularly, 25% of glycoproteins were related to binding functions. These glycoproteins are involved in cell wall reconstruction, biomacromolecular metabolism, signal transduction, endoplasmic reticulum quality control and stress response. Analysis indicated that 57.66% of glycoproteins were highly conserved in other plant species while 42.34% of glycoproteins went unidentified among the conserved glycosylated homologous proteins in other plant species; these may be the new N-linked glycosylated proteins first identified in wheat. The glycosylation sites generally occurred on the random coil, which could play roles in maintaining the structural stability of proteins. PNGase F digestion and glycosylation site mutations further verified the glycosylation modification and glycosylation sites of LRR receptor-like serine/threonine-protein kinase (LRR-RLK) and Beta-D-glucan exohydrolase (β-D-GEH). Our results indicated that N-linked glycosylated proteins could play important roles in the early seedling growth of wheat
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|a Journal Article
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|a Biomacromolecular metabolism
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|a Cell wall reconstruction
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|a Glycoproteome
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|a Signal transduction
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|a Stress response
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|a Wheat leaves
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|a Proteome
|2 NLM
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|a Deng, Xiong
|e verfasserin
|4 aut
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|a Zhu, Dong
|e verfasserin
|4 aut
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|a Duan, Wenjing
|e verfasserin
|4 aut
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|a Zhang, Junwei
|e verfasserin
|4 aut
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| 700 |
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|a Yan, Yueming
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant physiology and biochemistry : PPB
|d 1991
|g 163(2021) vom: 15. Juni, Seite 327-337
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|x 1873-2690
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|g volume:163
|g year:2021
|g day:15
|g month:06
|g pages:327-337
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|u http://dx.doi.org/10.1016/j.plaphy.2021.04.009
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