Chinese Science Bulletin

, Volume 43, Issue 4, pp 322–325 | Cite as

Decrement of catalase mRNA level after salicylic acid treatment

  • Song Zeshuang
  • Jiang Guoying
  • Lu Yingchun
  • Zhu Yuxian


Using the barley catalase cDNA as a probe, the effects of salicylic acid (SA) on catalase activity and gene expression have bene studied. The data indicated that higher than 3.0 mmol/I, SA inhibited catalase activity to a large extent and Northern blot analysis demonstrated that the decrease in catalase activity coincided with a decrease in its mRNA level. The important role of SA in plant systemic acquired resistance (SAR) and its possible mechanism are discussed.


catalase gene salicylic acid SAR 


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Copyright information

© Science in China Press 1998

Authors and Affiliations

  • Song Zeshuang
    • 1
  • Jiang Guoying
    • 1
  • Lu Yingchun
    • 1
  • Zhu Yuxian
    • 1
  1. 1.State Laboratory of Protein Engineering and Plant Genetic Engineering, College of Life SciencesPeking UniversityBeijingChina

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