|本期目录/Table of Contents|

[1]谷文英,牟莹莹,钱泽,等.外源甜菜碱对盐胁迫下菊苣幼苗线粒体膜氧化损伤的缓解作用[J].江苏农业科学,2013,41(07):198-201.
 Gu Wenying,et al.Mitigative effect of exogenous glycine betaine on mitochondrial membrane oxidative damage of chicory seedling under salt stress[J].Jiangsu Agricultural Sciences,2013,41(07):198-201.
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外源甜菜碱对盐胁迫下菊苣幼苗线粒体膜氧化损伤的缓解作用(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第41卷
期数:
2013年07期
页码:
198-201
栏目:
畜牧兽医
出版日期:
2013-07-25

文章信息/Info

Title:
Mitigative effect of exogenous glycine betaine on mitochondrial membrane oxidative damage of chicory seedling under salt stress
作者:
谷文英1 牟莹莹1 钱泽1 薛洋1 高洪文2
1.扬州大学动物科学与技术学院,江苏扬州 225009; 2.中国农业科学院北京畜牧兽医研究所,北京 100193
Author(s):
Gu Wenyinget al
关键词:
甜菜碱盐胁迫菊苣线粒体
Keywords:
-
分类号:
S681.104+.1
DOI:
-
文献标志码:
A
摘要:
以菊苣为材料,对出苗后7 d的幼苗用280 mmol/L NaCl、280 mmol/L NaCl+外源2.5 mmol/L甜菜碱、2.5 mmol/L 甜菜碱进行处理,另设空白对照组,5 d后测定幼苗的生长情况,超氧化物歧化酶(SOD)、过氧化物酶(POD)的活性以及幼苗线粒体内H2O2、丙二醛(MDA)含量和D550 nm/D630 nm,以探讨外源甜菜碱对盐胁迫下菊苣幼苗线粒体膜氧化损伤的缓解作用。结果表明:与空白对照相比,盐胁迫能降低菊苣幼苗的鲜重和D550 nm/D630 nm(P<0.05);菊苣幼苗SOD和POD活性有所上升(P<0.05),H2O2和MDA含量增加(P<0.05)。与盐胁迫组相比,外源甜菜碱能显著提高幼苗鲜重和D550 nm/D630 nm(P<0.05),并能进一步增强SOD和POD活性,而降低H2O2和MDA含量;单独甜菜碱处理组与空白组无明显差异。说明外源甜菜碱可以通过减轻幼苗线粒体膜的氧化损伤而缓解盐害。
Abstract:
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备注/Memo

备注/Memo:
收稿日期:2012-12-03
基金项目:现代农业产业技术体系建设专项(编号:Z09090501040902);江苏高校优势学科建设工程资助(编号:SJ2011092506)。
作者简介:谷文英(1969—),女,博士研究生,讲师,主要从事牧草科研工作。E-mail:guwy@yzu.edu.cn。
通信作者:高洪文,研究员,博士生导师,研究方向为牧草种质资源及抗逆机理。Tel:(010)62894560;E-mail:gaohongwenbj@126.com。
更新日期/Last Update: 2013-07-25