Plant Growth Regulation

, Volume 27, Issue 2, pp 105–111 | Cite as

Inhibition of ethylene responses by 1-Methylcyclopropene and 3-Methylcyclopropene

  • Edward C. Sisler
  • Margrethe Serek
  • Eve Dupille
  • Raphael Goren


3-Methylcyclopropene (3-MCP) binds to the ethylene receptor and blocks it for several days, but concentrationswise is less effective than 1-methylcyclopropene (1-MCP). In diverse ethylene-responsive systems, including ripening of mature-green bananas (Musa sapientum L.), inhibition of growth in etiolated pea (Pisum sativum L.) seedlings, abscission of orange (Citrus sinensis L.) leaf explants and mung bean (Vigna radiata L.) leaves, and wilting of campanula (Campanula carpatica) and kalanchoe (Kalanchoë blossfeldiana) florets, full inhibition of the ethylene response required higher concentrations of 3-MCP. Depending on the experimental system, the effective concentration of 3-MCP was from 5 to 10 times higher than that required for 1-MCP.

ethylene antagonist ethylene receptor 1-MCP 3-MCP, binding 1-methylcyclopropene 3-methylcyclopropene 


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Copyright information

© Kluwer Academic Publishers 1999

Authors and Affiliations

  • Edward C. Sisler
    • 1
  • Margrethe Serek
    • 2
  • Eve Dupille
    • 3
  • Raphael Goren
    • 4
  1. 1.Department of BiochemistryNorth Carolina State UniversityRaleighU.S.A
  2. 2.Department of Agricultural Sciences, HorticultureThe Royal Veterinary and Agricultural UniversityFrederiksberg C.Denmark
  3. 3.Instituto de Agroquimica y Tecnologia de Alimentos. C.S.I.CBurjasot, ValenciaSpain
  4. 4.Department of HorticultureHebrew University of JerusalemRehovotIsrael

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