Abstract
ABSTRACT: Karrikins are a chemically defined group of plant growth regulators of the butenolide class found in smoke of burning plant material. Karrikins are effective in breaking the dormancy of seeds and also control the seedling growth of the plant. F-box gene MAX2 and an α/β hydrolase fold protein KAI2 or DAD2 play important role in the signaling pathway for signal transduction of karrikins. The discovery of karrikins set up an interesting new nexus among fire ecology, plant evolution and molecular plant physiology.
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