Exogenous polyamines alleviate the lipid peroxidation induced by cadmium chloride stress in Malus hupehensis Rehd.

被引：86

作者：

Zhao, Haizhou ^{[1
]}

Yang, Hongqiang ^{[1
,2
]}

机构：

[1] Shandong Agr Univ, Coll Hort Sci & Engn, Tai An 271018, Shandong, Peoples R China

[2] State Key Lab Crop Biol, Tai An 271018, Shandong, Peoples R China

来源：

SCIENTIA HORTICULTURAE | 2008年 / 116卷 / 04期

基金：

中国国家自然科学基金;

关键词：

Malus hupehensis var. pinyiensis; polyamines; cadmium chloride; lipid peroxidation;

D O I：

10.1016/j.scienta.2008.02.017

中图分类号：

S6 [园艺];

学科分类号：

0902 ;

摘要：

In order to investigate the effects of spermidine (Spd) and spermine (Spm) on the stress of cadmium chloride (CdCl2), it was checked that the content of polyamines and malondialdehyde (MDA), the rate of superoxide anion (O-2(center dot-)) generation and the activities of superoxidase dismutase (SOD) and guaiacol peroxidase (GPX) in 1-year-old Malus hupehensis Rehd. var. pinyiensis Jiang (tea crabapple) seedlings grown in nutrient solution. The result showed that the content of free putrescine (Put) was increased, the contents of free Spd and Spm and the (Spd + Spm)/Put ratio in leaves were decreased significantly under CdCl2 treatment. Foliar spraying with Spd or Spm under CdCl2 treatment, the accumulation of free Put reduced, the contents of free Spd and Spm and the ratio of (Spd + Spm)/Put in leaves increased significantly. The activities of SOD and GPX in leaves were enhanced and O-2(center dot-) generation rate and MDA content were decreased significantly by foliar spraying with Spd or Spm under CdCl2 treatment. Results suggest that both Spd and Spm can alleviate the lipid peroxidation caused by CdCl2 in M. hupehensis var. pinyiensis. (c) 2008 Elsevier B.V. All rights reserved.

引用

页码：442 / 447

页数：6

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