Title : Regulation of the turnover of ACC synthases by phytohormones and heterodimerization in Arabidopsis.

Pub. Date : 2017 Aug

PMID : 28440947






3 Functional Relationships(s)
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1 A key target of this regulation is 1-aminocyclopropane-1-carboxylic acid (ACC) synthases (ACS), generally the rate-limiting step in ethylene biosynthesis, which is regulated both transcriptionally and post-transcriptionally. ethylene acetyl-CoA synthetase Arabidopsis thaliana
2 Prior studies have demonstrated that cytokinin and brassinosteroid (BR) act as regulatory inputs to elevate ethylene biosynthesis by increasing the stability of ACS proteins. ethylene acetyl-CoA synthetase Arabidopsis thaliana
3 Together, our study provides a comprehensive understanding of the roles of various phytohormones on ACS protein stability, which brings new insights into crosstalk between ethylene and other phytohormones, and a novel regulatory mechanism that controls ACS protein stability through a heterodimerization of ACS isoforms. ethylene acetyl-CoA synthetase Arabidopsis thaliana