Growth and Antioxidant Responses in Jatropha curcas Cotyledons under Lead Stress

被引：0

作者：

Gao, Shun ^{[1
]}

Yan, Rui ^{[1
]}

Wu, Jun ^{[1
]}

Zhang, Fu-li ^{[1
]}

Wang, Sheng-hua ^{[1
]}

Chen, Fang ^{[1
]}

机构：

[1] Sichuan Univ, Key Lab Bioresources & Ecoenvironm, Minist Educ, Coll Lif Sci, Chengdu 610064, Peoples R China

来源：

ZEITSCHRIFT FUR NATURFORSCHUNG SECTION C-A JOURNAL OF BIOSCIENCES | 2009年 / 64卷 / 11-12期

关键词：

Heavy Metal Stress; ROS-Scavenging Enzymes; in vitro Embryo Culture; Defensive Mechanism of Plant; PHENYLALANINE AMMONIA-LYASE; SUPEROXIDE-DISMUTASE; PLANTS; ENZYMES; L; INDUCTION; ASSAY;

D O I：

暂无

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Jatropha curcas embryos were grown in vitro to observe the effects of lead on cotyledon responses. ne cotyledon biomass increased initially and then decreased with increasing lead concentration. The SOD activity increased gradually up to 200 mu M and then decreased. The POD activity showed a similar trend. The CAT activity was increased at all lead concentrations, the highest activity being observed at 200 mu M. However, the PAL activity was inhibited significantly except for 100 mu M. Anaylsis by electrophoresis suggested a significant correlation between lead concentration and patterns of SOD, POD and CAT isoenzymes, and these results were consistent with changes of the antioxidant enzyme activities as assayed in solution.

引用

页码：859 / 863

页数：5

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