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学科主题物理化学
Alginate oligosaccharides regulate nitrogen metabolism via calcium in Brassica campestris L. var. utilis Tsen et Lee
Zhang, Y. H.1; Yin, H.1; Liu, H.1; Wang, W. X.1; Wu, L. S.2; Zhao, X. M.1; Du, Y. G.1; Du YG(杜昱光)
刊名JOURNAL OF HORTICULTURAL SCIENCE & BIOTECHNOLOGY
2013-07-01
88期:4页:502-508
收录类别SCI
合作性质
文章类型Article
部门归属18
项目归属1805
产权排名待补充
WOS标题词Science & Technology ; Life Sciences & Biomedicine
资助者1,1 ; 1,1 ; 1,1 ; 1,1
类目[WOS]Horticulture
研究领域[WOS]Agriculture
关键词[WOS]GROWTH-PROMOTING ACTIVITY ; PLASMA-MEMBRANE ; CELL CALCIUM ; PLANTS ; BINDING ; PROTEIN ; OLIGOGALACTURONIDES ; PURIFICATION ; TOLERANCE ; ELICITOR
英文摘要Hydroponic culture experiments were conducted to study the mechanism by which alginate oligosaccharides (AOS) regulate nitrogen (N) metabolism in flowering Chinese cabbage (Brassica campestris L. var. utilis Tsen et Lee). Enzyme activities involved in N-metabolism [e.g., nitrate reductase (NR), glutamine synthetase (GS), and glutamate synthetase (GOGAT)] can be activated by calcium ions (Ca2+), but whether AOS also regulate N-metabolism via Ca2+ ions is still not clear. In this study, several inhibitors of Ca2+ ion metabolism [e.g. ethyleneglycol-bis-(2-aminoethylether)-tetraacetic acid (EGTA), verapamil, chlorpromazine, or ruthenium red] were added separately to the nutrient solution. As a result, the total-N concentrations in leaves decreased by 15.0 - 44.5%, and the activities of NR and GS in Chinese cabbage leaves were reduced by 2.8 - 14.5% and by 32.6 - 73.5%, respectively. This resulted in a decrease in plant yield [i.e, the fresh weights (FWs) of shoots] of between 4.4 - 27.2% compared to leaves following an AOS-only treatment. The sub-cellular distribution of Ca2+ ions suggested that the increase in cytosolic Ca2+ concentration required to activate N-metabolism, caused by AOS, may be due primarily to an influx of extracellular Ca2+ rather than the release of cytosolic Ca2+ ions. These preliminary results confirm that Ca2+ ions are involved in the regulation of N-metabolism in flowering Chinese cabbage which can be induced by exogenous AOS.
语种英语
资助者1,1 ; 1,1 ; 1,1 ; 1,1
原文出处查看原文
WOS记录号WOS:000322941900021
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/119097
专题中国科学院大连化学物理研究所
通讯作者Du YG(杜昱光)
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
2.Huazhong Agr Univ, Microelement Res Ctr, Wuhan 430070, Peoples R China
推荐引用方式
GB/T 7714
Zhang, Y. H.,Yin, H.,Liu, H.,et al. Alginate oligosaccharides regulate nitrogen metabolism via calcium in Brassica campestris L. var. utilis Tsen et Lee[J]. JOURNAL OF HORTICULTURAL SCIENCE & BIOTECHNOLOGY,2013,88(4):502-508.
APA Zhang, Y. H..,Yin, H..,Liu, H..,Wang, W. X..,Wu, L. S..,...&杜昱光.(2013).Alginate oligosaccharides regulate nitrogen metabolism via calcium in Brassica campestris L. var. utilis Tsen et Lee.JOURNAL OF HORTICULTURAL SCIENCE & BIOTECHNOLOGY,88(4),502-508.
MLA Zhang, Y. H.,et al."Alginate oligosaccharides regulate nitrogen metabolism via calcium in Brassica campestris L. var. utilis Tsen et Lee".JOURNAL OF HORTICULTURAL SCIENCE & BIOTECHNOLOGY 88.4(2013):502-508.
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