Emerging connections in the ethylene signaling network

Sang Dong Yoo, Younghee Cho, Jen Sheen

    Research output: Contribution to journalReview articlepeer-review

    163 Citations (Scopus)


    The gaseous plant hormone ethylene acts as a pivotal mediator to respond to and coordinate internal and external cues in modulating plant growth dynamics and developmental programs. Genetic analysis of Arabidopsis thaliana has been used to identify key components and to build a linear ethylene-signaling pathway from the receptors through to the nuclear transcription factors. Studies applying integrative approaches have revealed new regulators, molecular connections and mechanisms in ethylene signaling and unexpected links to other plant hormones. Here, we review and discuss recent discoveries about the functional mode of ethylene receptor complexes, dual mitogen-activated protein kinase cascade signaling, stability control of the master nuclear transcription activator ETHYLENE INSENSITIVE 3 (EIN3), and the contextual relationships between ethylene and other plant hormones, such as auxin and gibberellins, in organ-specific growth regulation.

    Original languageEnglish
    Pages (from-to)270-279
    Number of pages10
    JournalTrends in Plant Science
    Issue number5
    Publication statusPublished - 2009 May

    ASJC Scopus subject areas

    • Plant Science


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