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Melatonin and gibberellin are bioactive molecules in plant. In present study, the role of exogenous melatonin (MT) and gibberellin (GA) on tea plant was explored by transcriptome and metabolic analysis. Results showed that the growth of tea plant was enhanced by MT treatment. The pathways of terpenoid synthesis and plant-pathogen interaction were significantly strengthened, combined with the up-regulation of LRR-RLK and transcription factors contributed to the growth of tea plant. The internode elongation and leaf enlargement were hastened by GA treatment. Significantly modulated expression was occurred in the plant hormonal signal transduction, complemented by the up-regulation of phenylpropanoid biosynthesis and expansins to achieve growth acceleration, while, the flavonoid synthesis was repressed in GA treatment. Therefore, the distinctive effect of melatonin and gibberellin treatment on tea plant was different. The melatonin exhibited significant promotion in terpenoid synthesis, especially, TPS14 and TPS1. Gibberellin was prominent in coordinated regulating plant hormonal signal transduction.
This article was published in the following journal.
Name: Journal of agricultural and food chemistry
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A family of G-protein-coupled receptors that are specific for and mediate the effects of MELATONIN. Activation of melatonin receptors has been associated with decreased intracellular CYCLIC AMP and increased hydrolysis of PHOSPHOINOSITIDES.
A biogenic amine that is found in animals and plants. In mammals, melatonin is produced by the PINEAL GLAND. Its secretion increases in darkness and decreases during exposure to light. Melatonin is implicated in the regulation of SLEEP, mood, and REPRODUCTION. Melatonin is also an effective antioxidant.
Specific effects of drugs and substances on metabolic pathways such as those occurring through the CYTOCHROME P-450 ENZYME SYSTEM. These include effects that often result in DRUG INTERACTIONS; FOOD-DRUG INTERACTIONS; and HERB-DRUG INTERACTIONS.
A melatonin receptor subtype primarily found expressed in the BRAIN and RETINA.
A melatonin receptor subtype that is primarily found in the HYPOTHALAMUS and in the KIDNEY.
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