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学科主题: 物理化学
题名: The promoting effects of alginate oligosaccharides on root development in Oryza sativa L. mediated by auxin signaling
作者: Zhang, Yunhong1, 2;  Yin, Heng2;  Zhao, Xiaoming2;  Wang, Wenxia2;  Du, Yuguang2;  He, Ailing1;  Sun, Kegang1
通讯作者: 张运红
关键词: Alginate oligosaccharides ;  Oryza sativa L. ;  Root development ;  Promoting effects ;  Auxin ;  Calcium signaling
刊名: CARBOHYDRATE POLYMERS
发表日期: 2014-11-26
DOI: 10.1016/j.carbpol.2014.06.079
卷: 113, 期:1, 页:446-454
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Applied ;  Chemistry, Organic ;  Polymer Science
研究领域[WOS]: Chemistry ;  Polymer Science
英文摘要: Alginate oligosaccharides (AOS), which are marine oligosaccharides, are involved in regulating plant root growth, but the promotion mechanism for AOS remains unclear. Here, AOS (10-80 mg/L) induced the expression of auxin-related gene (OsYUCCA1, OsYUCCA5, OsIAA11 and OsPIN1) in rice (Oryza sativa L.) tissues to accelerate auxin biosynthesis and transport, and reduced indole-3-acetic acid (IAA) oxidase activity in rice roots. These changes resulted in the increase of 37.8% in IAA concentration in rice roots, thereby inducing the expression of root development-related genes, promoting root growth in a dose-dependent manner, which were inhibited by auxin transport inhibitor 2,3,5-triiodo benzoic acid (TIBA) and calcium-chelating agent ethylene glycol bis (2-aminoethyl) tetraacetic acid (EGTA). AOS also induced calcium signaling generation in rice roots. Those results indicated that auxin mediated AOS regulation of root development, and calcium signaling may act mainly in the upstream of auxin in the regulation of AOS on rice root development. (C) 2014 Elsevier Ltd. All rights reserved.
关键词[WOS]: WHEAT TRITICUM-AESTIVUM ;  VAR. UTILIS TSEN ;  NITRIC-OXIDE ;  PLASMA-MEMBRANE ;  RICE ;  ARABIDOPSIS ;  TRANSPORT ;  PROTEIN ;  CALCIUM ;  CELLS
语种: 英语
WOS记录号: WOS:000343613000056
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/144067
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Henan Acad Agr Sci, Inst Plant Nutr Agr Resources & Environm Sci, Zhengzhou 450002, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China

Recommended Citation:
Zhang, Yunhong,Yin, Heng,Zhao, Xiaoming,et al. The promoting effects of alginate oligosaccharides on root development in Oryza sativa L. mediated by auxin signaling[J]. CARBOHYDRATE POLYMERS,2014,113(1):446-454.
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