eCite Digital Repository

The origins and mechanisms of karrikin signalling


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


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:43
Deposited By:Plant Science
Deposited On:2015-06-23
Last Modified:2017-11-02

Repository Staff Only: item control page