Please use this identifier to cite or link to this item:
Title: Roles of sodium hydrosulfide and sodium nitroprusside as priming molecules during drought acclimation in citrus plants
Authors: Ziogas, Vasileios 
Tanou, Georgia 
Belghazi, Maya 
Filippou, Panagiota S. 
Fotopoulos, Vasileios 
Grigorios, Diamantidis 
Molassiotis, Athanassios 
Keywords: Citrus;Drought stress;Plant proteomics;Priming;Sodium hydrosulfide;Sodium nitroprusside
Category: Agriculture Forestry and Fisheries
Field: Agricultural Sciences
Issue Date: 24-Sep-2015
Publisher: Springer Netherlands
Source: Plant Molecular Biology, 2015, Volume 89, Issue 4-5, Pages 433-450
DOI: 10.1007/s11103-015-0379-x
Abstract: Emerging evidence suggests that the gaseous molecules hydrogen sulfide (H2S) and nitric oxide (NO) enhances plant acclimation to stress; however, the underlying mechanism remains unclear. In this work, we explored if pretreatment of citrus roots with NaHS (a H2S donor) or sodium nitroprusside (SNP, a NO donor) for 2 days (d) could elicit long-lasting priming effects to subsequent exposure to PEG-associated drought stress for 21 d following a 5 d acclimation period. Detailed physiological study documented that both pretreatments primed plants against drought stress. Analysis of the level of nitrite, NOx, S-nitrosoglutahione reductase, Tyr-nitration and S-nitrosylation along with the expression of genes involved in NO-generation suggested that the nitrosative status of leaves and roots was altered by NaHS and SNP. Using a proteomic approach we characterized S-nitrosylated proteins in citrus leaves exposed to chemical treatments, including well known and novel S-nitrosylated targets. Mass spectrometry analysis also enabled the identification of 42 differentially expressed proteins in PEG alone-treated plants. Several PEG-responsive proteins were down-regulated, especially photosynthetic proteins. Finally, the identification of specific proteins that were regulated by NaHS and SNP under PEG conditions provides novel insight into long-term drought priming in plants and in a fruit crop such as citrus in particular.
ISSN: 01674412
Rights: © 2015, Springer Science+Business Media Dordrecht.
Type: Article
Appears in Collections:Άρθρα/Articles

Show full item record

Page view(s) 10

Last Week
Last month
checked on Aug 22, 2019

Google ScholarTM


Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.