Ethylene insensitive 2 (EIN2) destiny shaper: The post-translational modification

PTMs (Post-Translational Modifications) of proteins facilitate rapid modulation of protein function in response to various environmental stimuli. The EIN2 (Ethylene Insensitive 2) protein is a core regulatory of the ethylene signaling pathway. Recent findings have demonstrated that PTMs, including p...

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Bibliographic Details
Published in:Journal of plant physiology 2024-04, Vol.295, p.154190-154190, Article 154190
Main Authors: Su, Meifei, Hou, Suiwen
Format: Article
Language:English
Subjects:
EIN2
Ethylene signaling
O-Glycosylation
Phosphorylation
Ubiquitination
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Summary:PTMs (Post-Translational Modifications) of proteins facilitate rapid modulation of protein function in response to various environmental stimuli. The EIN2 (Ethylene Insensitive 2) protein is a core regulatory of the ethylene signaling pathway. Recent findings have demonstrated that PTMs, including protein phosphorylation, ubiquitination, and glycosylation, govern EIN2 trafficking, subcellular localization, stability, and physiological roles. The cognition of multiple PTMs in EIN2 underscores the stringent regulation of protein. Consequently, a thorough review of the regulatory role of PTMs in EIN2 functions will improve our profound comprehension of the regulation mechanism and various physiological processes of EIN2-mediated signaling pathways. This review discusses the evolution, functions, structure and characteristics of EIN2 protein in plants. Additionally, this review sheds light on the progress of protein ubiquitination, phosphorylation, O-Glycosylation in the regulation of EIN2 functions, and the unresolved questions and future perspectives.
ISSN:0176-1617
1618-1328
DOI:10.1016/j.jplph.2024.154190