›› 2011, Vol. 13 ›› Issue (6): 6-11.DOI: 10.3969/j.issn.1008-0864.2011.06.02

• 生物技术 生命科学 • 上一篇    下一篇

水稻品种中VC含量及抗氧化性的比较分析

张传玉1,2,3,张执金3,黄荣峰3,张治礼1,2,4   

  1. (1.海南大学农学院, 海口 570228|2.中国热带农业科学院热带生物技术研究所, 海口 571101|3.中国农业科学院生物技术研究所, 北京 100081|4.海南省农业科学院, 海口 571100)
  • 收稿日期:2011-04-12 修回日期:2011-05-07 出版日期:2011-12-15 发布日期:2011-10-20
  • 通讯作者: 张治礼,研究员,博士,主要从事植物生理与分子生物学研究。Tel:0898-66984499; E-mail: zzl_catas@hotmail.com
  • 作者简介:张传玉,硕士研究生,主要从事植物抗逆性研究。E-mail:zcy198610@163.com。
  • 基金资助:

    国家973计划项目(2007CB108801)资助。

Comparative Analysis of Vitamin C Contents and Anti-oxidization in Rice Varieties

ZHANG Chuan-yu1,2,3, ZHANG Zhi-jin3, HUANG Rong-feng3, ZHANG Zhi-li1,2,4   

  1. (1.College of Agriculture, Hainan University, Haikou 570228|2.Institute of Tropical Bioscience and Biotechnology, Chinese Academy of Tropical Agricultural Sciences, Haikou 571101|3.Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081|4.Hainan Academy of Agricultural Sciences, Haikou 571100, China)
  • Received:2011-04-12 Revised:2011-05-07 Online:2011-12-15 Published:2011-10-20

摘要:

VC(Vitamin C)又叫抗坏血酸(ascorbic acid, AsA),是植物体内重要的抗氧化剂,在植物抗氧化胁迫应答过程中具有重要的调控作用。VC在植物如拟南芥、小麦抗氧化功能方面已有许多研究,但在水稻中的相关研究较少。通过比较水稻品种中花17、日本晴、扬稻6号和扬稻2号中的VC含量,发现不同品种间VC含量存在明显的差异。结合MV(methyl viologen)处理,进一步比较了由于VC含量的差异导致氧化胁迫下超氧阴离子、H2O2的含量的变化。结果表明VC含量与水稻抗氧化作用可能存在密切的联系。本研究进一步证明了VC在水稻的抗氧化胁迫中的重要作用,从而为提高水稻的抗逆性提供依据。

关键词: VC;抗氧化剂;水稻品种;抗逆性

Abstract:

Vitamin C (VC), also known as ascorbic acid (AsA), is a pivotal antioxidant in response to plant oxidative stress. Many research results have revealed that VC functions in resistance to oxidative stress in different plant species including Arabidopsis and wheat, but little is known in rice. In this paper, the VC contents in rice varieties Zhonghua17, Nipponbare, Yangdao6 and Yangdao 2 were compared. and found that their VC contents were obvious different. Combining with the treatment of MV (Methyl Viologen), changes in superoxide anion and H2O2 levels among these varieties were also compared. The results showed that there was close relationship between VC contents and oxidative stress resistance of rice. Those results proved that VC played an important role in rice resistance to oxidative stress, which provided a basis for improving rice resistance to stress.

Key words: Vitamin C, antioxidant, rice varieties, stress resistance

中图分类号: