INFLUENCE OF NITROGEN ON THE PRIMARY AND SECONDARY METABOLISM AND SYNTHESIS OF FLAVONOIDS IN CHRYSANTHEMUM MORIFOLIUM RAMAT

被引：56

作者：

Liu, Wei ^{[1
]}

Zhu, Duan-Wei ^{[1
]}

Liu, Da-Hui ^{[1
]}

Geng, Ming-Jian ^{[1
]}

Zhou, Wen-Bing ^{[1
]}

Mi, Wei-Jie ^{[1
]}

Yang, Te-Wu ^{[1
,2
]}

Hamilton, David ^{[3
]}

机构：

[1] Huazhong Agr Univ, Lab Plant Nutr & Ecol Environm Res, Ctr Microelement Res, Wuhan 430700, Peoples R China

[2] Huazhong Agr Univ, Coll Plant Sci & Technol, Wuhan 430700, Peoples R China

[3] Univ Waikato, Ctr Biodivers & Ecol Res, Hamilton, New Zealand

来源：

JOURNAL OF PLANT NUTRITION | 2010年 / 33卷 / 02期

关键词：

Chrysanthemum moriforlium Ramat; nitrogen level; nitrogen metabolism; carbon metabolism; enzyme; flavonoids; PHENYLPROPANOID METABOLISM; POLYPHENOL OXIDASES; PLANTS; PHENYLALANINE; DEFICIENCY; NUTRITION; GROWTH; ACCUMULATION; CULTURES; ENZYMES;

D O I：

10.1080/01904160903434287

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

The effects of nitrogen (N) supply on nitrogen metabolism in leaves of Chrysanthemum morifolium Ramat. were examined in five different stages throughout the growing season. The results suggested that flavonoids content was positively related to phenylalanine ammonia-lyase activity through the whole growing stage of the plant but with a decreasing correlation coefficient for increasing nitrogen supply. There was no correlation between flavonoids and 4-coumarate coenzyme A ligase. Soluble protein content was positively correlated with phenylalanine ammonia-lyase activity because there was little competition for the phenylalanine in the leaves under low nitrogen supply. Phenylalanine ammonia-lyase activity decreased gradually with increasing nitrogen supply because of the competition for the phenylalanine in protein synthesizes. The results suggest that nitrogen nutrition plays a key role in biosynthesis of enzymes in the leaves of C. morifolium.

引用

页码：240 / 254

页数：15

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