title: Nitrogen stress-induced alterations in the leaf proteome of two wheat varieties grown at different nitrogen levels.
abstract: Inorganic nitrogen (N) is a key limiting factor of the agricultural productivity. Nitrogen utilization efficiency has significant impact on crop growth and yield as well as on the reduction in production cost. The excessive nitrogen application is accompanied with severe negative impact on environment. Thus to reduce the environmental contamination, improving NUE is need of an hour. In our study we have deployed comparative proteome analysis using 2-DE to investigate the effect of the nitrogen nutrition on differential expression pattern of leaf proteins in low-N sensitive and low-N tolerant wheat (Triticum aestivum L.) varieties. Results showed a comprehensive picture of the post-transcriptional response to different nitrogen regimes administered which would be expected to serve as a basic platform for further characterization of gene function and regulation. We detected proteins related to photosynthesis, glycolysis, nitrogen metabolism, sulphur metabolism and defence. Our results provide new insights towards the altered protein pattern in response to N stress. Through this study we suggest that genes functioning in many physiological events coordinate the response to availability of nitrogen and also for the improvement of NUE of crops.
authors: Department of Botany, Faculty of Science, Hamdard University, New Delhi, India.
authors: Ruby
authors: R
authors: Chandna
authors: Department of Botany, Faculty of Science, Hamdard University, New Delhi, India.
authors: Altaf
authors: A
authors: Ahmad
keywords: MALDI-TOF; Nitrogen deficiency; Proteomics; Triticum aestivum
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