Abstract
To identify differential proteins induced by N-(2-chloro-4-pyridy)-N′-phenylurea or forchlorfenuron (CPPU), two-dimensional electrophoresis was used to study the variations in protein expression of wheat seedlings induced with CPPU. The expressed protein spots were identified by matrix-assisted laser desorption/ionization–time of flight mass spectrometry and protein data bank query. About 800 spots were reproducibly detected in three replicates of each sample. A total of 10 differential proteins were identified, including tRNA delta (2)-isopentenylpyrophosphate transferase (S1), probable peptide ABC transporter ATP-binding protein y4tS (S2), ribosomal RNA large subunit methyltransferase N (S3), microtubule-associated protein 6 (S4), actin-66 (Fragment) (S5), mitochondrial ATP synthase subunit alpha (S6), S-adenosylmethionine synthase 1 (S7), flavin-containing monooxygenase YUCCA4 (S8), GTPase obg (S9), and ribosomal RNA small subunit methyltransferase G (S10). These proteins were closely related to phytohormone synthesis, plant stress response, energy metabolism, protein synthesis, cytoskeleton, and transport. All of these processes may play important roles in wheat seedling development. These findings could provide valuable information for the further study of the functions and underlying mechanism of the action of CPPU. Thus, proteomic analysis revealed that CPPU treatment induces variations in many proteins involved in plant growth and development.
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Abbreviations
- 2-DE:
-
Two-dimensional electrophoresis
- ACN:
-
Acetonitrile
- cDNA:
-
Complementary DNA
- CPPU:
-
N-(2-chloro-4-pyridy)-N′-phenylurea (forchlorfenuron)
- DTT:
-
Dithiothreitol
- IEF:
-
Isoelectric focusing
- IPT:
-
Isopentyl transferase
- MALDI:
-
Matrix-assisted laser desorption/ionization
- MS:
-
Mass spectrometry
- PAGE:
-
Polyacrylamide gel electrophoresis
- SDS:
-
Sodium dodecyl sulfate
- TDZ:
-
N-(1,2,3-thidiazol-5-yl)-N′-phenylurea
- TOF:
-
Time-of-flight
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Acknowledgments
We wish to thank two anonymous reviewers for helpful comments that improved the manuscript. This project was supported by the National Natural Science Foundation of China (Project no. 31171552) and the Scientific Research Award Foundation for Outstanding Young and Middle-Aged Scientists of Shandong Province of China (Project no. BS2009NY037).
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Na Yin and Xin Ma contributed equally to this paper.
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Yin, N., Ma, X., Zhang, W. et al. Analysis of Differential Proteins Induced by Forchlorfenuron in Wheat. Plant Mol Biol Rep 30, 949–956 (2012). https://doi.org/10.1007/s11105-011-0403-5
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DOI: https://doi.org/10.1007/s11105-011-0403-5