Exploring the molecular mechanism of karrikins and strigolactones☆
Graphical abstract
Karrikins and strigolactones are novel plant growth regulators that contain similar molecular features, but very little is known about how they elicit responses in plants. Through structure–activity studies, we propose a common mechanism for karrikin and strigolactone mode of action that involves hydrolysis of the butenolide ring.
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The authors would like to thank the Australian Research Council (LP0882775, DP109671) for financial support, Lucy Commander for collecting Solanum orbiculatum seed and the Centre for Microscopy, Characterisation and Analysis at UWA.
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