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Transcriptomic and metabolic insights into the distinctive effects of exogenous melatonin and gibberellin on terpenoid synthesis and plant hormone signal transduction pathway in Camellia sinensis.

08:00 EDT 1st April 2019 | BioPortfolio

Summary of "Transcriptomic and metabolic insights into the distinctive effects of exogenous melatonin and gibberellin on terpenoid synthesis and plant hormone signal transduction pathway in Camellia sinensis."

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.

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This article was published in the following journal.

Name: Journal of agricultural and food chemistry
ISSN: 1520-5118
Pages:

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