Functional Plant Biology Functional Plant Biology Society
Plant function and evolutionary biology
REVIEW

From little things big things grow: karrikins and new directions in plant development

Mark T. Waters
+ Author Affiliations
- Author Affiliations

School of Molecular Sciences and ARC Centre of Excellence in Plant Energy Biology, The University of Western Australia, Perth, WA 6009, Australia. Email: mark.waters@uwa.edu.au

Functional Plant Biology 44(4) 373-385 https://doi.org/10.1071/FP16405
Submitted: 13 November 2016  Accepted: 16 January 2017   Published: 28 February 2017

Abstract

Karrikins are a family of compounds generated via the incomplete combustion of plant matter. Since their discovery as seed germination stimulants in 2004, a great deal has been learned about the chemistry and the biological mode of action of karrikins. Much interest and progress have stemmed from the structural similarity of karrikins to that of strigolactones – the shoot branching hormone. This review will provide a historical account of some of the more significant discoveries in this area of plant biology. It will discuss how the study of these abiotic signalling molecules, combined with advances in our understanding of strigolactones, has led us towards the discovery of new mechanisms that regulate plant growth and development.

Additional keywords: bioassay, chemical biology, plant development, plant hormone, signalling, strigolactone.


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