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Applied Biochemistry and Biotechnology

, Volume 175, Issue 3, pp 1263–1269 | Cite as

Metabolism of Reactive Oxygen Species in Cytoplasmic Male Sterility of Rice by Marking Upmost Pulvinus Interval

  • Jianxin Li
  • Ximei Dai
  • Linyu Li
  • Zhen Jiao
  • Qunce Huang
Article

Abstract

Reactive oxygen species (ROS) and malondialdehyde (MDA) in plant cell are thought to be important inducible factors of cell apoptosis if excessively accumulated in cells. To elucidate the metabolic mechanism of MDA production and scavenging in the cytoplasmic male-sterile (CMS) rice, CMS line and maintainer were employed for studying the relationship at different developmental stages by marking upmost pulvinus interval method of experiment. The results showed that the panicles and leaves of the CMS line had a noticeable higher MDA content than those of maintainer line at all five stages that had been investigated (p < 0.05). MDA content in the CMS line in the flag leaves of auricle in the distance 0 mm stage (the meiosis stage) was the highest of the five stages. The increase of MDA contents in sterile panicles and leaves had inducible effects on the enzymic activity of superoxide dismutase (SOD), catalase (CAT), and peroxidase (POD). However, at the abortion peak stage, MDA was excessively accumulated and antioxidant enzymic activity reduced significantly, resulting in the generation and scavenging of MDA out of balance.

Keywords

Rice Cytoplasmic male sterility Malondialdehyde Antioxidant enzyme 

Notes

Acknowledgments

This work was financially supported by the National Natural Science Foundation of China (No. 10505018) and the Natural Science Foundation of Henan Province of the People’s Republic of China (No. 091100110401).

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Copyright information

© Springer Science+Business Media New York 2014

Authors and Affiliations

  • Jianxin Li
    • 1
  • Ximei Dai
    • 1
  • Linyu Li
    • 1
  • Zhen Jiao
    • 1
  • Qunce Huang
    • 1
  1. 1.Henan Provincial Key Laboratory of Ion Beam BioengineeringZhengzhou UniversityZhengzhouChina

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