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Something old, something new: conservation of the ethylene precursor ACC as a signaling molecule

Journal Contribution - Journal Article

In seed plants, 1-amino-cyclopropane-1-carboxylic acid (ACC) is the well-known precursor of the plant hormone ethylene. In nonseed plants, the current view is that ACC is produced but is inefficiently converted to ethylene. Distinct responses to ACC that are uncoupled from ethylene biosynthesis have been discovered in diverse aspects of growth and development in liverworts and angiosperms, indicating that ACC itself can function as a signal. Evolutionarily, ACC may have served as a signal before acquiring its role as the ethylene precursor in seed plants. These findings pave the way for unraveling a potentially conserved ACC signaling pathway in plants and have ramifications for the use of ACC as a substitute for ethylene treatment in seed plants.
Journal: Current Opinion in Plant Biology
ISSN: 1369-5266
Volume: 65
Number of pages: 10
Publication year:2022
Keywords:Plant sciences
Accessibility:Open