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Ethylene Biosynthesis and Signaling Networks Article, publication date, and citation information can be found at www.plantcell.org/cgi/doi/10.1105/tpc.001768.
The plant hormone ethylene is involved in many aspects of the plant life cycle, including seed germination, root hair development, root nodulation, flower senescence, and more. Expand
Regulation of ethylene gas biosynthesis by the Arabidopsis ETO1 protein
It is reported that another ethylene-overproducer mutation, eto1, is in a gene that negatively regulates ACS activity and ethylene production, and it is proposed that ETO1 serves as a substrate-specific adaptor protein that permits rapid modulation of the concentration of ethylene. Expand
Arabidopsis ETO1 specifically interacts with and negatively regulates type 2 1-aminocyclopropane-1-carboxylate synthases
Yeast two-hybrid assays suggest that ETO1 family proteins specifically interact with and negatively regulate type 2 ACC synthases and show that Arabidopsis ETO 1 can regulate type 1 ACS in a heterologous plant, tomato. Expand
The ACC synthase TOE sequence is required for interaction with ETO1 family proteins and destabilization of target proteins
Results suggest that the ETO1-family-mediated ACS protein degradation pathway is conserved in both monocots and dicots, and that TOE acts as a protein destabilization signal recognized by the Eto1 protein family. Expand
The POLARIS Peptide of Arabidopsis Regulates Auxin Transport and Root Growth via Effects on Ethylene Signaling[OA]
A mechanism whereby PLS negatively regulates ethylene responses to modulate cell division and expansion via downstream effects on microtubule cytoskeleton dynamics and auxin signaling, thereby influencing root growth and lateral root development is suggested. Expand
Protein S-glutathionylation decreases superoxide/hydrogen peroxide production xanthine oxidoreductase.
These findings demonstrate for the first time that cytoplasmic ROS sources, such as XOR, can also be inhibited by glutathionylation and these reactions are enzymatically mediated by GST. Expand