The Peach RGF/GLV Signaling Peptide pCTG134 Is Involved in a Regulatory Circuit That Sustains Auxin and Ethylene Actions

    October 2017 in “ Frontiers in plant science ”
    Nicola Busatto, Umberto Salvagnin, Francesca Resentini, Silvia Quaresimin, Lorella Navazio, Oriano Marin, Maria Pellegrini, Fabrizio Costa, Dale F. Mierke, Livio Trainotti
    TLDR The peach gene CTG134 helps control the interaction between auxin and ethylene, which could lead to new agricultural chemicals.
    The study investigated the role of the peach RGF/GLV signaling peptide pCTG134 in regulating auxin and ethylene actions during fruit ripening. Researchers found that pCTG134 was involved in a feedback loop that sustained the levels and activities of these two hormones, crucial for plant growth and development. Overexpression of CTG134 in Arabidopsis and tobacco led to altered root development and larger fruit size, indicating its significant role in auxin-ethylene crosstalk. The findings suggested potential applications in designing new agrochemicals for fruit quality control.
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