Exploring the molecular mechanism of karrikins and strigolactones |
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| Authors: | Scaffidi Adrian Waters Mark T Bond Charles S Dixon Kingsley W Smith Steven M Ghisalberti Emilio L Flematti Gavin R |
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| Institution: | School of Chemistry and Biochemistry, The University of Western Australia, Crawley, WA 6009, Australia. adrian.scaffidi@uwa.edu.au |
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| 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. A tentative molecular mechanism has previously been proposed involving a Michael-type addition for both compounds. Through structure-activity studies with karrikins, we now propose an alternative mechanism for karrikin and strigolactone mode of action that involves hydrolysis of the butenolide ring. |
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