The Plant Pathology Journal

The Korean Society of Plant Pathology (한국식물병리학회)
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Dual Effect of the Cubic Ag3PO4 Crystal on Pseudomonas syringae Growth and Plant Immunity

  • Kim, Mi Kyung (Department of Molecular Biology, Dankook University) ;
  • Yeo, Byul-Ee (Department of Chemistry, Dankook University) ;
  • Park, Heonyong (Department of Molecular Biology, Dankook University) ;
  • Huh, Young-Duk (Department of Chemistry, Dankook University) ;
  • Kwon, Chian (Department of Molecular Biology, Dankook University) ;
  • Yun, Hye Sup (Department of Biological Sciences, Konkuk University)
  • Received : 2015.09.13
  • Accepted : 2015.11.23
  • Published : 2016.04.01
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Abstract

We previously found that the antibacterial activity of silver phosphate crystals on Escherichia coli depends on their structure. We here show that the cubic form of silver phosphate crystal (SPC) can also be applied to inhibit the growth of a plant-pathogenic Pseudomonas syringae bacterium. SPC pretreatment resulted in reduced in planta multiplication of P. syringae. Induced expression of a plant defense marker gene PR1 by SPC alone is suggestive of its additional plant immunity-stimulating activity. Since SPC can simultaneously inhibit P. syringae growth and induce plant defense responses, it might be used as a more effective plant disease-controlling agent.

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References

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