Proteomics

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Shotgun proteomic analysis of embryonic axis of soybean seeds during germination under salt stress

ABSTRACT: Salinity is one of the main environmental stresses worldwide limiting soybean growth and yield. Seed imbibition and radical emergence are generally less affected by salinity in soybean. Towards unraveling the mechanisms underlying salt tolerance in soybean at germination stage, a comprehensive quantitative proteomic analysis of proteins from soybean embryonic axis during germination sensu stricto (GSS) under saline conditions was performed. Application of 100 and 200 mmol L-1 NaCl at GSS was significantly accompanied by the change in abundance (>2-fold) of 97 and 75 proteins, respectively. Most of these proteins were involved in three major functions, namely stress response and defense, protein turnover and protection and primary metabolism. Our results pave the way towards the identification of suitable biomarkers useful for improving salt tolerance in soybean.

INSTRUMENT(S): LTQ Orbitrap Velos

ORGANISM(S): Glycine Max (ncbitaxon:3847)

SUBMITTER: Dr Aldo Lagan�� 

PROVIDER: MSV000080044 | MassIVE | Mon Aug 15 11:21:00 BST 2016

SECONDARY ACCESSION(S): PXD001943

REPOSITORIES: MassIVE

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Shotgun proteomic analysis of soybean embryonic axes during germination under salt stress.

Fercha Azzedine A   Capriotti Anna Laura AL   Caruso Giuseppe G   Cavaliere Chiara C   Stampachiacchiere Serena S   Zenezini Chiozzi Riccardo R   Laganà Aldo A  

Proteomics 20160413 10

Seed imbibition and radicle emergence are generally less affected by salinity in soybean than in other crop plants. In order to unveil the mechanisms underlying this remarkable salt tolerance of soybean at seed germination, a comparative label-free shotgun proteomic analysis of embryonic axes exposed to salinity during germination sensu stricto (GSS) was conducted. The results revealed that the application of 100 and 200 mmol/L NaCl stress was accompanied by significant changes (>2-fold, P<0.05)  ...[more]

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