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题名: Proteomics of desiccation tolerance during development and germination of maize embryos
作者: Huang, Hui1, 2; Moller, Ian Max3; Song, Song-Quan1
刊名: JOURNAL OF PROTEOMICS
关键词: Desiccation tolerance ; Development ; Germination ; Maize embryos ; Proteomic analysis
英文摘要: Maize seeds were used to identify the key embryo proteins involved in desiccation tolerance during development and germination. Immature maize embryos (28N) during development and mature embryos imbibed for 72 h (72HN) are desiccation sensitive. Mature maize embryos (52N) during development are desiccation tolerant Thiobarbituric acid reactive substance and hydrogen peroxide contents decreased and increased with acquisition and loss of desiccation tolerance, respectively. A total of 111 protein spots changed significantly (1.5 fold increase/decrease) in desiccation-tolerant and -sensitive embryos before (28N, 52N and 72HN) and after (280, 520 and 72HD) dehydration. Nine pre-dominantly proteins, 17.4 kDa Class I heat shock protein 3, late embiyogenesis abundant protein EMB564, outer membrane protein, globulin 2, TPA:putative cystatin, NBS-LFtR resistance-like protein RGC456, stress responsive protein, major allergen Bet v 1.01C and proteasome subunit alpha type 1, accumulated during embryo maturation, decreased during germination and increased in desiccation-tolerant embryos during desiccation. Two proteins, Rhd6-like 2 and low-molecular-weight heat shock protein precursor, showed the inverse pattern. We infer that these eleven proteins are involved in seed desiccation tolerance. We conclude that desiccation-tolerant embryos make more economical use of their resources to accumulate protective molecules and antioxidant systems to deal with maturation drying and desiccation treatment. (C) 2011 Elsevier B.V. All rights reserved.
出版日期: 2012-02-02
卷号: 75, 期号:4, 页码:1247-1262
语种: 英语
收录类别: SCI
学科分类: Biochemical Research Methods ; Biochemical Research Methods
ISSN号: 1874-3919 ; 1874-3919
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/10527
Appears in Collections:中国西南野生生物种质资源库_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Bot, Beijing 100093, Peoples R China
2.Chinese Acad Sci, Kunming Inst Bot, Kunming 650204, Yunnan, Peoples R China
3.Aarhus Univ, Dept Mol Biol & Biotechnol, DK-4200 Slagelse, Denmark

Recommended Citation:
Huang, H; Moller, IM; Song, SQ.Proteomics of desiccation tolerance during development and germination of maize embryos,JOURNAL OF PROTEOMICS,2012,75(4):1247-1262
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