Characterization of the CsPNG1 gene from cucumber and its function in response to salinity stress

Copyright © 2020 Elsevier Masson SAS. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Plant physiology and biochemistry : PPB. - 1991. - 150(2020) vom: 21. Mai, Seite 140-150
1. Verfasser: Hou, Kun (VerfasserIn)
Weitere Verfasser: Wang, Yu, Tao, Mei-Qi, Jahan, Mohammad Shah, Shu, Sheng, Sun, Jin, Guo, Shi-Rong
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2020
Zugriff auf das übergeordnete Werk:Plant physiology and biochemistry : PPB
Schlagworte:Journal Article Cucumber PNG1 Promoter cloning Protein interaction RAD23 Salt stress Glycoproteins Plant Proteins Peptide-N4-(N-acetyl-beta-glucosaminyl) Asparagine Amidase EC 3.5.1.52
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520 |a Peptide: N-glycanase (PNGase; EC 3.5.1.52) is a deglycosylation enzyme that is responsible for deglycosylating misfolded glycoproteins in the endoplasmic reticulum. However, the role of PNGase in plants is largely unknown. Here, we cloned and characterized the function of peptide: N-glycanase (CsPNG1) from cucumber. The amino acid encoded by CsPNG1 gene contained a typical transglutaminase (TGase) catalytic triad domain and belonged to the "TGase superfamily". Subcellular localization showed that CsPNG1 was located in the cell membrane and nucleus. Promoter sequence analysis and qPCR tests showed that CsPNG1 could respond to a variety of abiotic stresses and hormone treatments. Yeast one-hybrid assays revealed the interaction between the transcription factor CsGT-3b and CsPNG1 promoter. Importantly, overexpression of CsPNG1 in tobacco increased the tolerance to salt stress of transgenic plants. In addition, CsPNG1 interacted with CsRAD23 family proteins and the C-terminal UBA domain of CsRAD23 protein was responsible for binding to CsPNG1, indicating that CsPNG1 was involved in the ER-associated degradation pathway (ERAD). Taken together, our study demonstrated that CsPNG1 plays a positive role in improving plant salt tolerance, and these findings might provide a basis for further functional analysis of CsPNG1 genes in abiotic stress and ERAD 
650 4 |a Journal Article 
650 4 |a Cucumber 
650 4 |a PNG1 
650 4 |a Promoter cloning 
650 4 |a Protein interaction 
650 4 |a RAD23 
650 4 |a Salt stress 
650 7 |a Glycoproteins  |2 NLM 
650 7 |a Plant Proteins  |2 NLM 
650 7 |a Peptide-N4-(N-acetyl-beta-glucosaminyl) Asparagine Amidase  |2 NLM 
650 7 |a EC 3.5.1.52  |2 NLM 
700 1 |a Wang, Yu  |e verfasserin  |4 aut 
700 1 |a Tao, Mei-Qi  |e verfasserin  |4 aut 
700 1 |a Jahan, Mohammad Shah  |e verfasserin  |4 aut 
700 1 |a Shu, Sheng  |e verfasserin  |4 aut 
700 1 |a Sun, Jin  |e verfasserin  |4 aut 
700 1 |a Guo, Shi-Rong  |e verfasserin  |4 aut 
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