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Identification and analysis of differentially expressed proteins during cotyledon embryo stage in longan

文献类型： 外文期刊

作者： Wang, Jing 1 ; Weng, Zhao-xia 2 ; Cheng, Chi-Lien 3 ; Liu, Hao 2 ; Liang, Wen-yu 2 ; Jiang, Ji-mou 4 ; Chen, Wei 1 ;

作者机构： 1.Fujian Agr & Forestry Univ, Minist Educ Genet Breeding & Multiple Utilizat Cr, Key Lab, Fuzhou 350002, Peoples R China

2.Fujian Agr & Forestry Univ, Coll Life Sci, Fuzhou 350002, Peoples R China

3.Univ Iowa, Dept Biol, Iowa City, IA 52242 USA

4.Fujian Acad Agr Sci, Fruit Res Inst, Fuzhou 350002, Peoples R China

关键词： Longan;Cotyledon embryo;2-DE;Differentially expressed proteins;Identification

期刊名称：SCIENTIA HORTICULTURAE （ 影响因子：3.463； 五年影响因子：3.672 ）

ISSN： 0304-4238

年卷期： 2010 年 126 卷 4 期

页码：

收录情况： SCI

摘要： The cotyledon stage is a crucial developmental stage during longan embryo development Two-dimensional electrophoresis (2-DE) and matrix-assisted laser desorption ionization-rime of flight-tandem mass spectrometry (MALDI-TOF/TOF-MS) were conducted to separate and identify proteins expressed in the longan cotyledon embryos at different development stages A total of 28 proteins that exhibited regulated expression were successfully identified with a protein identification success rate of 72 2%. The 28 proteins were assigned to six functional classes based on their putative biological functions energy and metabolism (21%), secondary metabolism (18%), protein metabolism (21%), cell division (11%), antioxidation (4%), nucleic acid metabolism (4%), hormonal regulation (4%) and unknown proteins (18%) Interestingly, three enzymes involved in flavonoid biosynthesis, whose expression in embryos had not been observed previously were clearly up-regulated during the cotyledon stage of embryo development in longan Identification and analysis of the 28 proteins would shed new lights on further understanding of the biochemical and physiological processes of the embryo development at cotyledon stage in longan (C) 2010 Elsevier B V All rights reserved.

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