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Cold stress nitrosylation - 4°C vs 22°C

S-nitrosylation in Arabidopsis thaliana

61 modifications in 61 peptides, found in 162 proteins

Experiment Details

Exp 65


Experimental Setup
Tissue2-week old seedlings
ConditionUnstressed (22 °C) and cold stressed (4 °C)
PTM EnrichmentBS-ICAT
MS InstrumentQ-TOF
MS/MS Search Parameters
Protein DatabaseTAIR9
Decoy StrategyReverse decoy database
FDR Threshold< 1%
Search Algorithm(s)MASCOT
Precursor Mass Tolerance20 ppm
ProteaseTrypsin
Variable ModificationsOxidation (M)
LabelsLight or heavy ICAT (C)
Other Information
CommentsTable 1.


Publication Information

Puyaubert et al., 2014

PubMed ID: 24388526

No external accession available

Abstract

Plant Sci. 2014 Feb;215-216:150-6. doi: 10.1016/j.plantsci.2013.10.014. Epub 
2013 Nov 1.

Identification of endogenously S-nitrosylated proteins in Arabidopsis plantlets: 
effect of cold stress on cysteine nitrosylation level.

Puyaubert J(1), Fares A(2), Rézé N(3), Peltier JB(2), Baudouin E(3).

Author information:
(1)UPMC Univ Paris 06, UR 5, Laboratoire de Physiologie Cellulaire et 
Moléculaire des Plantes, F-75005 Paris, France; CNRS, EAC 7180, Laboratoire de 
Physiologie Cellulaire et Moléculaire des Plantes, F-75005 Paris, France. 
Electronic address: juliette.puyaubert@upmc.fr.
(2)INRA, UR1199, Laboratoire de Protéomique Fonctionnelle, 34060 Montpellier 
Cedex, France.
(3)UPMC Univ Paris 06, UR 5, Laboratoire de Physiologie Cellulaire et 
Moléculaire des Plantes, F-75005 Paris, France; CNRS, EAC 7180, Laboratoire de 
Physiologie Cellulaire et Moléculaire des Plantes, F-75005 Paris, France.

S-nitrosylation is a nitric oxide (NO)-based post-translational modification 
regulating protein function and signalling. We used a combination between the 
biotin switch method and labelling with isotope-coded affinity tag to identify 
endogenously S-nitrosylated peptides in Arabidopsis thaliana proteins extracted 
from plantlets. The relative level of S-nitrosylation in the identified peptides 
was compared between unstressed and cold-stress seedlings. We thereby detected 
62 endogenously nitrosylated peptides out of which 20 are over-nitrosylated 
following cold exposure. Taken together these data provide a new repertoire of 
endogenously S-nitrosylated proteins in Arabidopsis with cysteine 
S-nitrosylation site. Furthermore they highlight the quantitative modification 
of the S-nitrosylation status of specific cysteine following cold stress.

Copyright © 2013 Elsevier Ireland Ltd. All rights reserved.

DOI: 10.1016/j.plantsci.2013.10.014
PMID: 24388526 [Indexed for MEDLINE]