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The origins and mechanisms of karrikin signalling
Citation
Waters, MT and Scaffidi, A and Flematti, GR and Smith, SM, The origins and mechanisms of karrikin signalling, Current Opinion in Plant Biology, 16, (5) pp. 667-673. ISSN 1369-5266 (2013) [Refereed Article]
Copyright Statement
Copyright 2013 Elsevier Ltd.
DOI: doi:10.1016/j.pbi.2013.07.005
Abstract
Karrikins are butenolides in smoke and char that stimulate seed germination. Karrikin action in Arabidopsis requires the F-box protein MAX2 and the α/β-hydrolase KAI2, a paralogue of D14 that is required for perception of strigolactones (SL). SL response involves hydrolysis by D14, whereas karrikins bind to KAI2 without apparent hydrolysis. We discuss the current understanding of the mechanisms of karrikin perception and response. The usual function of KAI2 is unclear, but we hypothesise that the similarity between karrikins and the endogenous ligand for KAI2 made adaptation of some plants to karrikins possible.
Item Details
| Item Type: | Refereed Article |
|---|---|
| Keywords: | karrikin, signalling, butenolides, smoke, Arabidopsis, strigolactones |
| Research Division: | Biological Sciences |
| Research Group: | Plant biology |
| Research Field: | Plant physiology |
| Objective Division: | Expanding Knowledge |
| Objective Group: | Expanding knowledge |
| Objective Field: | Expanding knowledge in the biological sciences |
| UTAS Author: | Smith, SM (Professor Steven Smith) |
| ID Code: | 101418 |
| Year Published: | 2013 |
| Web of Science® Times Cited: | 40 |
| Deposited By: | Plant Science |
| Deposited On: | 2015-06-23 |
| Last Modified: | 2017-11-02 |
| Downloads: | 0 |
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