研究报告

Developmental Proteomics Analysis of Different Functional Leaves in Rice (Oryza sativa) at the Booting Stage

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  • 1 Soil and Fertilizer & Resource and Environment Institute, Jiangxi Academy of Agricultural Sciences, Nanchang 330200, China; 2 Institute of AgroEcology, Fujian Agriculture and Forestry University, Fuzhou 350002, China; *Corresponding author, E-mail:<A href=

Received date: 1900-01-01

  Revised date: 1900-01-01

  Online published: 2009-09-10

Abstract

n order to reveal proteomic changes in rice functional leaves collected from four different leaf positions, the proteins expression profile of functional leaves at the booting stage in hybrid rice Shanyou 63 were studied by using the approach of plant proteomics. Protein expression profiles of the top leaves at the 13,14,15 and 16leaf stages(the total number of leaves of Shanyou 63 was 16) were investigated by twodimensional gel electrophoresis. Differential protein expression among the four stages were analyzed by Imagemaster 2D Elite 5.0, which allowed the identification of 23 significantly different gel spots. The spots were further verified by matrixassisted laser desorption/ionizationtime of flight mass spectrometry, in which 14 were identified. The functions of these 14 proteins were analyzed and the conclusion can be drawn from the following result: the major differential expression proteins (9 proteins) were associated with photosynthesis and respiration, three differential expression proteins were related to protein formation and protein function control, and the expression abundance of those 12 proteins increased regularly with the leaf position elevation; the other proteins(2 proteins) were involved in amino acid metabolism, showing an irregularly changing pattern in lower leaf positions, and a distinctly increasing expression abundance in flag leaf. The protein is the carrier of cell function and significantly influenced by the variation of cell function or intercellular environment, therefore, the reason that caused the above protein changes should be related to the development of leaves at different leaf positions.

Cite this article

SHAO Cai-hong ,XIE Jin-shui ,HUANG Yong-lan ,QIU Cai-fei,ZHANG Zhen-miao,LIN Wen-xiong . Developmental Proteomics Analysis of Different Functional Leaves in Rice (Oryza sativa) at the Booting Stage [J]. Chinese Journal OF Rice Science, 2009 , 23(5) : 456 -462 . DOI: 10.3969/j.issn.10017216.2009.05.02

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