|本期目录/Table of Contents|

[1]张韫璐,王琦,王金缘,等.干旱预处理对盐胁迫下水稻幼苗抗氧化酶活性及AsA-GSH循环的影响[J].江苏农业科学,2018,46(07):58-60.
 Zhang Yunlu,et al.Effects of PEG pretreatment on antioxidant enzyme activity and AsA-GSH cycle under salt stress in rice seedlings[J].Jiangsu Agricultural Sciences,2018,46(07):58-60.
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干旱预处理对盐胁迫下水稻幼苗抗氧化酶活性
及AsA-GSH循环的影响
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第46卷
期数:
2018年07期
页码:
58-60
栏目:
遗传育种与耕作栽培
出版日期:
2018-04-05

文章信息/Info

Title:
Effects of PEG pretreatment on antioxidant enzyme activity and AsA-GSH cycle under salt stress in rice seedlings
作者:
张韫璐 王琦 王金缘 王宇楠 刘凯月 耿梦恬 郭晴雪 马莲菊
沈阳师范大学生命科学学院,辽宁沈阳 110034
Author(s):
Zhang Yunluet al
关键词:
PEG预处理盐胁迫抗氧化酶AsA-GSH循环水稻
Keywords:
-
分类号:
S511.01
DOI:
-
文献标志码:
A
摘要:
以盐粳48水稻幼苗为材料,采用10%PEG模拟干旱条件处理预处理培养7 d的水稻幼苗3 d,然后复水 3 d,再用 100 mmol/L 的NaCl盐胁迫处理3 d,测定水稻幼苗叶绿素含量、抗氧化酶活性及抗坏血酸-谷胱甘肽(AsA-GSH)循环中关键酶活性和抗氧化剂含量的变化。结果表明,在盐胁迫下,水稻幼苗的叶绿素b含量显著降低;超氧化物歧化酶(SOD)活性和过氧化氢酶(CAT)活性显著降低,但过氧化物酶(POD)活性显著提高;AsA-GSH循环中还原型抗坏血酸(AsA)含量和还原型谷胱甘肽(GSH)含量显著降低,但抗坏血酸过氧化物酶(APX)活性和谷胱甘肽还原酶(GR)活性变化不显著。在PEG预处理下,水稻幼苗的叶绿素a含量和叶绿素b含量与盐胁迫相比显著增加;POD活性、CAT活性和APX活性显著提高;AsA含量显著增加。表明PEG预处理可以缓解盐胁迫对水稻幼苗的伤害。
Abstract:
-

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备注/Memo

备注/Memo:
收稿日期:2017-02-06
基金项目:国家自然科学基金(编号:31600314);辽宁省教育厅项目(编号:L2013421);沈阳市科学技术计划项目(编号:F16-205-1-50)。
作者简介:张韫璐(1993—),女,辽宁锦州人,硕士研究生,主要从事植物分子遗传方面的研究。E-mail:276268017@qq.com。
通信作者:马莲菊,博士,副教授,主要从事植物遗传与逆境生理研究。E-mail:malianju@163.com。
更新日期/Last Update: 2018-04-05