|本期目录/Table of Contents|

[1]陈美静,刘倩雯,张宝龙,等.不同预处理对PEG胁迫下水稻幼苗抗氧化系统的影响[J].江苏农业科学,2015,43(08):76-78.
 Chen Meijing,et al.Effect of different pretreatments on antioxidant system of rice seedlings under PEG stress[J].Jiangsu Agricultural Sciences,2015,43(08):76-78.
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不同预处理对PEG胁迫下水稻幼苗抗氧化系统的影响(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第43卷
期数:
2015年08期
页码:
76-78
栏目:
遗传育种与耕作栽培
出版日期:
2015-08-25

文章信息/Info

Title:
Effect of different pretreatments on antioxidant system of rice seedlings under PEG stress
作者:
陈美静 刘倩雯 张宝龙 王嫦靖 李雪梅
沈阳师范大学化学与生命科学学院,辽宁沈阳 110034
Author(s):
Chen Meijinget al
关键词:
水稻PEG胁迫预处理抗氧化酶过氧化产物
Keywords:
-
分类号:
S511.01
DOI:
-
文献标志码:
A
摘要:
以模式植物水稻为材料,分别用蒸馏水、10%PEG、100 mmol/L NaCl、1 mmol/L SA、0.1 mmol/L ABA水溶液对水稻种子进行预处理,并以15%PEG模拟水分胁迫,分别测定PEG胁迫0、2、4、6 d时的抗氧化酶[超氧化物歧化酶(superoxide dismutase,SOD)、过氧化物酶(peroxidase,POD)、过氧化氢酶(catalase,CAT)]活性及丙二醛(MDA)、游离脯氨酸含量。结果显示,SOD、POD活性均随着PEG胁迫时间的延长呈上升趋势,CAT活性则呈先上升后下降的趋势;ABA、SA预处理均能在一定时间内显著提高PEG胁迫水稻SOD、POD、CAT活性,ABA预处理降低MDA含量,但对脯氨酸含量无显著影响。研究结果表明,ABA预处理可作为简单、有效的策略缓解水分对水稻的胁迫作用。
Abstract:
-

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2014-08-20
基金项目:国家自然科学基金(编号:31270369、31470398);沈阳师范大学生态与环境研究中心主任基金资助项目(编号:EERC-K-201302);沈阳师范大学大学生创新创业训练计划(编号:20141016613059)。
作者简介:陈美静(1990—),女,河北承德人,硕士研究生,研究方向为植物生态、植物逆境生理。E-mail:1317005120@qq.com。
通信作者:李雪梅,博士,教授,硕士生导师,研究方向为植物逆境生理。E-mail:lxmls132@163.com。
更新日期/Last Update: 2015-08-25