Short-term UV-B radiation effects on morphology, physiological traits and accumulation of bioactive compounds in Prunella vulgaris L.

被引：42

作者：

Zhang, Xue-Rong ^{[1
]}

Chen, Yu-Hang ^{[1
,2
,3
,4
,5
]}

Guo, Qiao-Sheng ^{[1
]}

Wang, Wen-Ming ^{[2
]}

Liu, Li ^{[1
]}

Fan, Jin ^{[2
]}

Cao, Li-Ping ^{[3
,4
,5
]}

Li, Chen ^{[3
,4
,5
]}

机构：

[1] Nanjing Agr Univ, Inst Chinese Med Mat, Nanjing, Jiangsu, Peoples R China

[2] Sichuan Agr Univ, Rice Res Inst, Chengdu, Sichuan, Peoples R China

[3] Chengdu Med Coll, Coll Pharmaceut Sci, Chengdu, Sichuan, Peoples R China

[4] Sichuan Inst Higher Educ, Key Lab Small Mol Special Struct Drugs, Chengdu, Sichuan, Peoples R China

[5] Chengdu Med Coll, Chengdu, Sichuan, Peoples R China

来源：

JOURNAL OF PLANT INTERACTIONS | 2017年 / 12卷 / 01期

基金：

中国博士后科学基金;

关键词：

Prunella vulgaris L; UV-B radiation; morphology; antioxidants; secondary metabolite; INDUCED OXIDATIVE STRESS; ULTRAVIOLET-B; SECONDARY METABOLITES; ROSMARINIC ACID; ANTIOXIDANT ENZYMES; LEAF DEVELOPMENT; IN-VITRO; PLANTS; GROWTH; HYPEROSIDE;

D O I：

10.1080/17429145.2017.1365179

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Prunella vulgaris plants (full-bloom stage) were subjected to short-term (15 days) UV-B radiation in a growth chamber. UV-B radiation was effective at enhancing morphological and biomass characteristics and decreasing chlorophyll contents of P. vulgaris. Treatment of P. vulgaris with artificial UV-B radiation significantly increased peroxidase (POD), superoxide dismutase (SOD) and glutathione (GSH) activities compared to the control treatment. UV-B radiation significantly increased the levels of hydrogen peroxide (H2O2), malondialdehyde (MDA) and proline in leaves of P. vulgaris compared to those of control plants. In addition, the contents of total flavonoids, rosmarinic acid, caffeic acid and hyperoside significantly increased under UV-B radiation. The total phenolic levels also increased under UV-B treatment. These results demonstrated that short-term UV-B radiation can enhance production of secondary metabolites in P. vulgaris, resulting in increased spica yield compared to that of control plants.

引用

页码：348 / 354

页数：7

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