Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 427903
Title The proteome response of salt-resistant and salt-sensitive barley genotypes to long-term salinity stress
Author(s) Fatehi, F.; Hosseinzadeh, A.; Alizadeh, H.; Brimavandi, T.; Struik, P.C.
Source Molecular Biology Reports 39 (2012)5. - ISSN 0301-4851 - p. 6387 - 6397.
Department(s) Crop and Weed Ecology
Publication type Refereed Article in a scientific journal
Publication year 2012
Keyword(s) two-dimensional electrophoresis - escherichia-coli ribosomes - oxalate oxidase activity - arabidopsis-thaliana - photosystem-ii - dehydroascorbate reductase - molecular characterization - ribulose 1,5-bisphosphate - translational regulation - diphosphate kinase
Abstract Responses of plants to salinity stress and the development of salt tolerance are extremely complex. Proteomics is a powerful technique to identify proteins associated with a particular environmental or developmental signal. We employed a proteomic approach to further understand the mechanism of plant responses to salinity in a salt-tolerant (Afzal) and a salt-sensitive (Line 527) genotype of barley. At the 4-leaf stage, plants were exposed to 0 (control) or 300 mM NaCl. Salt treatment was maintained for 3 weeks. Total proteins of leaf 4 were extracted and separated by two-dimensional gel electrophoresis. More than 500 protein spots were reproducibly detected. Of these, 44 spots showed significant changes to salt treatment compared to the control: 43 spots were upregulated and 1 spot was downregulated. Using MALDI-TOF-TOF MS, we identified 44 cellular proteins have been identified, which represented 18 different proteins and were classified into seven categories and a group with unknown biological function. These proteins were involved in various many cellular functions. Up regulation of proteins which involved in reactive oxygen species scavenging, signal transduction, protein processing and cell wall may increase plant adaptation to salt stress. The upregulation of the three of four antioxidant proteins (thioredoxin, methionine sulfoxide reductase and dehydroascorbate reductase) in susceptible genotype Line 527 suggesting a different tolerance mechanism (such as tissue tolerance) to tolerate a salinity condition in comparison with the salt sensitive genotype
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