1-Aminocyclopropane-1-carboxylic acid synthase (ACS) is a rate-limiting enzyme in the ethylene biosynthesis pathway. Recent studies suggest that ACS is regulated posttranslationally as well as transcriptionally. We previously reported that LeACS2, a wound-inducible ACS in tomato, is phosphorylated at Ser-460 in the C-terminal region (Tatsuki and Mori, 2001).
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References
Chae HS, Faure F, Kieber JJ (2003) The eto1, eto2, and eto3 mutations and cytokinin treatment increase ethylene biosynthesis in Arabidopsis by increasing the stability of ACS protein. Plant Cell 15, 545-559
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Kamiyoshihara, Y., Mori, H. (2007). Analysis of the protein phosphatase involved in the posttranslational regulatory mechanism of LeACS2. In: Ramina, A., Chang, C., Giovannoni, J., Klee, H., Perata, P., Woltering, E. (eds) Advances in Plant Ethylene Research. Springer, Dordrecht. https://doi.org/10.1007/978-1-4020-6014-4_11
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