Emerging complexity of ethylene signal transduction

Young Hee Cho, Sang Dong Yoo

Research output: Contribution to journalReview articlepeer-review

15 Citations (Scopus)


The plant hormone ethylene modulates growth and development and mediates diverse stresses and pathogens. Genetic studies with a laboratory reference plant, Arabidopsis, enabled researchers first to identify and place several key signaling components in a linear pathway for hormone signaling. Biochemical and cellular investigations have now led us to integrate functionally these genetically identified factors within a signaling context. Multi-step regulation of protein stability that accompanies phosphorylation/de-phosphorylation appears to be a central and underlying molecular mechanism. Here, we briefly summarize recent findings in such post-translational regulation of ethylene signaling factors. Based on this, we can postulate a new framework and formulate specific questions to unravel the emerging dynamics and complexity of ethylene signaling.

Original languageEnglish
Pages (from-to)283-288
Number of pages6
JournalJournal of Plant Biology
Issue number4
Publication statusPublished - 2009 Jul


  • EBF1
  • EBF2
  • EIN2
  • EIN3
  • ETP1
  • ETP2
  • Ethylene
  • Intracellular signaling
  • MKK9
  • MPK3
  • MPK6
  • Protein phosphorylation/de-phosphorylation
  • Protein stability

ASJC Scopus subject areas

  • Plant Science


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