Folia Microbiologica

, Volume 33, Issue 4, pp 261–266 | Cite as

Elicitor activity ofAgrobacterium radiobacter in plants

  • K. Novák
  • M. Staněk
  • J. Řičica
  • E. Šímová


Agrobacterium radiobacter was tested for the ability to induce the accumulation of phytoalexins and hypersensitive necrotic reaction in pea, bean and potato. A live bacterial suspension with a cell concentration of 1/pL and a solution of a crude polysaccharide produced by the bacteria caused the hypersensitive reaction in potato and bean and the production of phytoalexins in all three species of plants. The results obtained are discussed in connection with the previously found protective effect of the studied strain ofA. radiobacter against soil phytopathogenic fungi. A contribution of defense reactions to the determination of host specificity of the pathogenic strains of theAgrobacterium genus has been proposed.


Sugar Beet Crude Polysaccharide Pisatin Elicitor Activity Potato Tuber Tissue 


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Copyright information

© Institute of Microbiology, Academy of Sciences of the Czech Republic 1988

Authors and Affiliations

  • K. Novák
    • 1
  • M. Staněk
    • 1
  • J. Řičica
    • 1
  • E. Šímová
    • 1
  1. 1.Institute of MicrobiologyCzechoslovak Academy of SciencesPrague 4

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