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What are karrikins and how were they ‘discovered’ by plants?
journal contribution
posted on 2023-05-22, 02:38 authored by Flemmati, GR, Dixon, KW, Steven SmithSteven SmithKarrikins are a family of compounds produced by wildfires that can stimulate the germination of dormant seeds of plants from numerous families. Seed plants could have ‘discovered’ karrikins during fire-prone times in the Cretaceous period when flowering plants were evolving rapidly. Recent research suggests that karrikins mimic an unidentified endogenous compound that has roles in seed germination and early plant development. The endogenous signalling compound is presumably not only similar to karrikins, but also to the related strigolactone hormones.
Funding
Australian Research Council
History
Publication title
BMC BiologyVolume
13Issue
108Article number
PMC4687367Number
PMC4687367Pagination
1-7ISSN
1741-7007Department/School
School of Natural SciencesPublisher
BioMed Central Ltd.Place of publication
United KingdomRepository Status
- Restricted