NDLI: Identification of differentially expressed proteins between hybrid and parents in wheat (Triticum aestivum L.) seedling leaves

Content Provider	Springer Nature Link
Author	Song, Xiao Ni, Zhongfu Yao, Yingyin Zhang, Yinhong Sun, Qixin
Copyright Year	2008
Abstract	In spite of commercial use of heterosis in agriculture, the molecular basis of heterosis is poorly understood. To gain a better understanding of the molecular basis of wheat heterosis, we carried out a comparative proteomic analysis in seedling leaves between wheat hybrid and parents. Common wheat (Triticum aestivum L., 2n = 6x = 42, AABBDD) Line 3338 and spelt wheat (Triticum spelta L., 2n = 6x = 42, AABBDD) Line 2463 were used to produce a heterotic F1 hybrid. The expression patterns of the total proteins were compared in seedling leaves between hybrid and its parents by using two-dimensional gel electrophoresis with two pH ranges for the first dimension separation. Among ~900 protein spots reproducibly detected, 49 protein spots were identified as being differentially expressed between hybrid and its parental lines (P < 0.05) for more than 1.5-folds. Six possible modes of differential expression were observed, including high- and low-parent dominance, underdominance, and overdominance, uniparent silencing and uniparent dominance. Moreover, 30 of the 49 differentially expressed protein spots were identified, which were involved in metabolism, signal transduction, energy, cell growth and division, disease and defense, secondary metabolism. These results indicated that wheat hybridization can cause protein expression differences between hybrid and its parents; these proteins were involved in diverse physiological process pathways, which might be responsible for the observed heterosis.
Starting Page	213
Ending Page	225
Page Count	13
File Format	PDF
ISSN	00405752
Journal	Theoretical and Applied Genetics
Volume Number	118
Issue Number	2
e-ISSN	14322242
Language	English
Publisher	Springer-Verlag
Publisher Date	2008-09-25
Publisher Place	Berlin/Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Biotechnology Biochemistry Plant Biochemistry Agriculture Plant Genetics & Genomics Plant Breeding/Biotechnology
Content Type	Text
Resource Type	Article
Subject	Genetics Medicine Biotechnology Agronomy and Crop Science

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