[1]李享,宋红*. 铅胁迫对活血丹叶片部分酶活性的影响[J].西北林学院学报,2019,34(5):43-48.[doi:10.3969/j.issn.1001-7461.2019.05.07]
 LI Xiang,SONG Hong*. Effects of Lead Stress on Some Enzymes of Glechoma longituba[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2019,34(5):43-48.[doi:10.3969/j.issn.1001-7461.2019.05.07]
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 铅胁迫对活血丹叶片部分酶活性的影响()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第34卷
期数:
2019年第5期
页码:
43-48
栏目:
出版日期:
2019-09-30

文章信息/Info

Title:
 Effects of Lead Stress on Some Enzymes of Glechoma longituba
文章编号:
1001-7461(2019)05-0043-06
作者:
 李享宋红*
 (东北林业大学 园林学院,黑龙江 哈尔滨 150040)
Author(s):
 LI XiangSONG Hong*
 (College of Landscape Architecture,Northeast Forestry University,Harbin 150040,Heilongjiang,China)
关键词:
 活血丹抗性重金属超氧化物歧化酶
Keywords:
Glechoma longituba lead resistance heavy metal superoxide dismutase
分类号:
S718.43
DOI:
10.3969/j.issn.1001-7461.2019.05.07
文献标志码:
A
摘要:
 以盆栽活血丹(Glechoma longituba)为试验材料,设置10个铅浓度,测定并分析铅胁迫期间活血丹叶片部分酶活性的变化,以此研究铅胁迫对活血丹的影响,并为在园林绿化中应用活血丹提供数据理论依据。结果表明,在铅胁迫过程中,活血丹叶片的超氧化物歧化酶(SOD)、过氧化物酶(POD)、过氧化氢酶(CAT)、抗坏血酸过氧化物酶(APX)、苯丙氨酸解氨酶(PAL)以及多酚氧化酶(PPO)活性均呈先升高后下降的趋势,随着铅胁迫时间的延长和浓度的升高,活血丹激活其体内的抗氧化酶系统等一系列的酶对自身进行保护。研究结果表明,低于Pb 800 mg·kg-1的铅污染,活血丹可以维持正常生长状态,高于Pb 800 mg·kg-1的铅污染,活血丹生长受到抑制并表现出明显的铅毒害特征。
Abstract:
 Seedlings of potted Glechoma longituba were used as experimental materials to study the effects of lead stress on some enzymes.Ten lead concentrations were set up to determine and analyze the changes of enzyme activities in the leaves during lead stress,so as to provide theoretical basis for the application of G.longituba in landscape greening.The results showed that the superoxide dismutase (SOD),peroxidase (POD),catalase (CAT),ascorbic acid peroxidase (APX),phenylalanine ammonia lyase (PAL) and polyphenol oxidase (PPO) in the leaves of G.longituba increased at first and then decreased during lead stress.With the prolongation of lead stress time and the increase of lead concentration,the activity of enzymes increased to protect themselves.The results showed that G.longituba could maintain normal growth for lead pollution lower than Pb 800 mg·kg-1,and higher than this concentration,the growth would be inhibited.

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备注/Memo

备注/Memo:
 收稿日期:2018-12-06修回日期:2019-03-10
基金项目:林业公益性行业科研专项(201404402-5)。
作者简介:李享,女,硕士在读,研究方向:植物种质资源。E-mail:460704921@qq.com
*通信作者:宋红,女,高级工程师,研究方向:植物种质资源保护。E-mail:851100942@qq.com
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