Changes in Soluble Proteins in Spring Wheat Stressed with Sodium Chloride |
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Authors: | M Ashraf JW O'Leary |
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Institution: | (1) Institute of Pure and Applied Biology, B.Z. University, Multan, Pakistan;(2) Department of Plant Sciences, College of Agriculture, University of Arizona, Tuczon, AZ 85721, USA |
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Abstract: | Two newly developed salt-tolerant genotypes of spring wheat, S24 and S36 and their salt-tolerant parents, LU26S (from Pakistan)
and Kharchia (from India) along with a salt-sensitive cv. Potohar were grown in full strength Hoagland's nutrient solution
with 0 or 125 mM NaCl. At the onset of the booting stage third leaf from top was sampled for protein analysis. Total soluble
protein content increased due to salt treatment in all cultivars/lines but this increase was more marked in salt-sensitive
cv. Potohar and low in salt-tolerant S24 as compared with the other lines. Patterns of labelled polypeptides in all cultivars/lines
were identical; the differences were only quantitative (for instance, 29 kD and 48 kD polypeptides were reduced significantly
due to NaCl treatment only in the cv. Potohar).
This revised version was published online in July 2006 with corrections to the Cover Date. |
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Keywords: | electrophoresis polypeptides SDS-polyacrylamide gel salt stress salt tolerance |
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