期刊
FEBS LETTERS
卷 587, 期 2, 页码 226-230出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.febslet.2012.11.030
关键词
EIN2; Ethylene; Signal transduction; Jasmonic acid
资金
- NSF [MCB-0918430]
- Div Of Molecular and Cellular Bioscience
- Direct For Biological Sciences [0918430] Funding Source: National Science Foundation
It has previously been shown that jasmonic acid affects the ethylene signaling pathway. EIN2 is a central component of ethylene signaling that is downstream of the receptors. EIN2 has previously been shown to be required for ethylene responses. We found that reducing jasmonic acid levels, either mutationally or chemically, caused ein2 ethylene-insensitive mutants to become ethylene responsive. This effect was not seen with the ethylene-insensitive etr1-1 mutants that affect receptor function. Based upon these results, we propose a model where jasmonic acid is inhibiting ethylene signal transduction down-stream of the ethylene receptors. This may involve an EIN2-independent pathway. (C) 2012 Federation of European Biochemical Societies. Published by Elsevier B. V. All rights reserved.
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