SCF E3 ligase PP2-B11 plays a positive role in response to salt stress in Arabidopsis

© The Author 2015. Published by Oxford University Press on behalf of the Society for Experimental Biology.

Bibliographische Detailangaben
Veröffentlicht in:Journal of experimental botany. - 1985. - 66(2015), 15 vom: 04. Aug., Seite 4683-97
1. Verfasser: Jia, Fengjuan (VerfasserIn)
Weitere Verfasser: Wang, Chunyan, Huang, Jinguang, Yang, Guodong, Wu, Changai, Zheng, Chengchao
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2015
Zugriff auf das übergeordnete Werk:Journal of experimental botany
Schlagworte:Journal Article Research Support, Non-U.S. Gov't AnnAt1 E3 AtPP2-B11 Na+ homeostasis ROS. ligases Arabidopsis Proteins Sodium Chloride 451W47IQ8X mehr... PP2-B11 protein, Arabidopsis EC 2.3.2.27 SKP Cullin F-Box Protein Ligases
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520 |a Skp1-Cullin-F-box (SCF) E3 ligases are essential to the post-translational regulation of many important factors involved in cellular signal transduction. In this study, we identified an F-box protein from Arabidopsis thaliana, AtPP2-B11, which was remarkably induced with increased duration of salt treatment in terms of both transcript and protein levels. Transgenic Arabidopsis plants overexpressing AtPP2-B11 exhibited obvious tolerance to high salinity, whereas the RNA interference line was more sensitive to salt stress than wild-type plants. Isobaric tag for relative and absolute quantification analysis revealed that 4311 differentially expressed proteins were regulated by AtPP2-B11 under salt stress. AtPP2-B11 could upregulate the expression of annexin1 (AnnAt1) and function as a molecular link between salt stress and reactive oxygen species accumulation in Arabidopsis. Moreover, AtPP2-B11 influenced the expression of Na(+) homeostasis genes under salt stress, and the AtPP2-B11 overexpressing lines exhibited lower Na(+) accumulation. These results suggest that AtPP2-B11 functions as a positive regulator in response to salt stress in Arabidopsis 
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650 4 |a Research Support, Non-U.S. Gov't 
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650 4 |a Na+ homeostasis 
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650 4 |a ligases 
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650 7 |a Sodium Chloride  |2 NLM 
650 7 |a 451W47IQ8X  |2 NLM 
650 7 |a PP2-B11 protein, Arabidopsis  |2 NLM 
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650 7 |a SKP Cullin F-Box Protein Ligases  |2 NLM 
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700 1 |a Wang, Chunyan  |e verfasserin  |4 aut 
700 1 |a Huang, Jinguang  |e verfasserin  |4 aut 
700 1 |a Yang, Guodong  |e verfasserin  |4 aut 
700 1 |a Wu, Changai  |e verfasserin  |4 aut 
700 1 |a Zheng, Chengchao  |e verfasserin  |4 aut 
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