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INFLUENCE OF P DEFICIENCY ON MAJOR SECONDARY METABOLISM IN FLAVONOIDS SYNTHESIS PATHWAY OF CHRYSANTHEMUM MORIFOLIUM RAMAT

文献类型： 外文期刊

作者： Liu, Wei 1 ; Zhu, Duan-Wei 2 ; Liu, Da-Hui 3 ; Geng, Ming-Jian 2 ; Yang, Te-Wu 2 ; Wang, Xiao 1 ;

作者机构： 1.Shandong Anal & Test Ctr, Proc Control Res Ctr Tradit Chinese Med, Jinan, Peoples R China

2.Huazhong Agr Univ, Lab Plant Nutr & Ecol Environm Res, Key Lab Subtrop Agr & Environm, Ctr Microelement Res,Chinese Minist Agr, Wuhan 430070, Peoples R China

3.Yunnan Acad Agr Sci, Inst Med Plants, Kunming, Peoples R China

关键词： Chrysanthemum morifolium Ramat.;enzyme activity;secondary metabolism;phosphorus deficiency;flavonoid synthesis

期刊名称：JOURNAL OF PLANT NUTRITION （ 影响因子：1.707； 五年影响因子：1.645 ）

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收录情况： SCI

摘要： The aim of this paper is to study the influence of P deficiency on secondary metabolites of flavonoid in Chrysanthemum morifolium Ramat. The regression equation between flavonoid and phenolic acid content was Y = -294.46X + 150.66 (R-2 = 0.9205, P < 0.01) in check and Y = 42.62X + 2.49 (R-2 = 0.9564, P < 0.01) in P deficient treatment (Y, flavonoid content; X, phenolic content). There were two principal components to control the flavonoid major synthesis process, that was principal 1 [phenolic acid, phenylalanine ammonia-lyase (PAL), cinnamic acid and p-coumaric acid] (88.17%) and principal 2 [4-coumarate coenzyme A ligase (4CL), Cinnamate-4-hydroxylase (C4H)] (9.64%) domination under normal growth of C. moriloium. However, under P deficiency condition, the principal components were principal 1 (phenolic acid, cinnamic acid and p-coumaric acid and C4H) (81.46%) and principal 2 (PAL) (18.53%) domination, respectively. The influence of P deficiency on flavonoid major synthesis pathway was caused by the change of PAL and C4H activities.

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